USDC
USDC

Preço de USD Coin

$0,99990
-$0,00010
(-0,01%)
Alteração de preço nas últimas 24 horas
USDUSD
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Informações do mercado de USD Coin

Capitalização do mercado
A capitalização do mercado é calculada ao multiplicar a oferta em circulação de uma moeda pelo último preço da mesma.
Capitalização do mercado = Oferta em circulação × Último preço
Oferta em circulação
O montante total de uma moeda que está disponível no mercado.
Classificação da capitalização de mercado
A classificação de uma moeda no que diz respeito ao valor da capitalização do mercado.
Máximo histórico
O preço mais elevado que uma moeda atingiu no seu histórico de trading.
Mínimo histórico
O preço mais baixo que uma moeda atingiu no seu histórico de trading.
Capitalização do mercado
$60,10B
Oferta em circulação
60 096 011 872 USDC
100,01% de
60 088 035 288 USDC
Classificação da capitalização de mercado
--
Auditorias
CertiK
Última auditoria: 1/06/2020
Máximo em 24h
$1,0002
Mínimo em 24h
$0,99980
Máximo histórico
$1,0400
-3,86% (-$0,04010)
Última atualização: 19/05/2021
Mínimo histórico
$0,87450
+14,33% (+$0,12540)
Última atualização: 11/03/2023

Calculadora de USDC

USDUSD
USDCUSDC

Desempenho do preço de USD Coin em USD

O preço atual de USD Coin é $0,99990. Ao longo das últimas 24 horas, o USD Coin diminuiu -0,01%. Atualmente, tem uma oferta em circulação de 60 096 011 872 USDC e uma oferta máxima de 60 088 035 288 USDC, o que resulta numa capitalização de mercado totalmente diluída de $60,10B. De momento, a moeda USD Coin ocupa a posição 0 na classificação de capitalização do mercado. O preço de USD Coin/USD é atualizado em tempo real.
Hoje
-$0,00010
-0,01%
7 dias
+$0,000100000
+0,01%
30 dias
+$0,000100000
+0,01%
3 meses
-$0,00210
-0,21%

Sobre USD Coin (USDC)

4.2/5
Certik
4.4
31/03/2025
CyberScope
4.4
01/04/2025
TokenInsight
3.7
07/11/2024
A classificação fornecida é uma classificação agregada recolhida pela OKX a partir das fontes fornecidas e destina-se apenas a fins informativos. A OKX não garante a qualidade ou a exatidão das classificações. Não visa fornecer (i) aconselhamento ou recomendações de investimento; (ii) uma oferta ou solicitação para comprar, vender ou deter ativos digitais; ou (iii) aconselhamento financeiro, contabilístico, jurídico ou fiscal. Os ativos digitais, incluindo criptomoedas estáveis e NFTs, envolvem um elevado grau de risco, podem ter grandes flutuações e podem, inclusivamente, perder todo o valor. O preço e o desempenho dos ativos digitais não são garantidos e podem mudar sem aviso. Os seus ativos digitais não estão cobertos por seguro contra eventuais perdas. Os ganhos históricos não são indicativos de ganhos futuros. A OKX não garante quaisquer ganhos nem a amortização do capital ou dos juros. A OKX não fornece recomendações de investimento ou de ativos. Deve ponderar cuidadosamente se transacionar ou deter ativos digitais vai ao encontro da sua condição financeira. Informe-se junto do seu consultor jurídico/fiscal/de investimentos para esclarecer questões relativas às suas circunstâncias específicas.
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  • Acerca dos sites de terceiros
    Acerca dos sites de terceiros
    Ao utilizar o site de terceiros ("TPW"), aceita que qualquer utilização do TPW está sujeita e será regida pelos termos do TPW. Salvo indicação expressa por escrito, a OKX e os seus afiliados ("OKX") não estão, de forma alguma, associados ao proprietário ou operador do TPW. Concorda que a OKX não é responsável nem imputável por quaisquer perdas, danos e outras consequências que advenham da sua utilização do TPW. Tenha presente que utilizar um TPW poderá resultar na perda ou diminuição dos seus ativos.

A USD Coin (USDC) é um contrato inteligente de fonte abertacriptomoeda estávelemitidas por uma fintech internacional chamada Circle e a exchange de criptomoedas americana Coinbase. Em conjunto, formam o Centre Consortium, responsável por gerar e resgatar todos os tokens USDC.

Lançada em outubro de 2018, a USDC tem uma garantia de moeda fiduciária e está indexada ao dólar americano a um rácio de 1:1. Isto é possível porque existe uma mistura de numerário, equivalentes de caixa e obrigações do Tesouro dos EUA a curto prazo que apoiam a USDC. Aproximadamente 10% das reservas de USDC são mantidas em numerário e equivalentes, com o restante em títulos do Tesouro dos EUA a curto prazo.

O Centre acredita que a verdadeira interoperabilidade financeira entre criptomoedas e moedas fiduciárias só é possível se houver um meio de troca de valores estável em termos de preços entre as duas. A USDC foi criada para responder à necessidade de uma stablecoin apoiada por moedas fiduciárias que fosse transparente e segura, o que faltava no mercado no momento.

Os seus criadores, a Circle e a Coinbase, queriam oferecer uma criptomoeda estável apoiada por ativos do mundo real, auditada regularmente e que fornecesse transparência elevada e governação. A USDC foi concebida para ser mais transparente financeira e funcionalmente do que as outras criptomoedas estáveis no mercado, o que ajudaria a criar confiança e a incentivar uma maior adoção.

A Grant Thornton é uma empresa de contabilidade independente que realiza testes mensais à criptomoeda estável USDC. A empresa faz uma verificação independente das reservas que apoiam a USDC e garante que são mantidas de forma consistente com a política de reservas do Centre Consortium.

Jeremy Allaire, o CEO da Circle, enfatizou a importância da transparência e da responsabilização no funcionamento da USDC e o envolvimento da Grant Thornton é um componente fundamental desse esforço. O compromisso da USDC para com a transparência, secundado pela verificação independente da Grant Thornton, gera mais confiança e fiabilidade junto dos utilizadores que querem comprar uma criptomoeda estável.

Como funciona a USDC

A USDC é construída com base emEthereumblockchain, uma plataforma descentralizada que permite a criação decontratos inteligenteseaplicações descentralizadas (dApps). O USDC é um token ERC-20 compatível com qualquer carteira ou bolsa Ethereum que suporte tokens ERC-20. A tecnologia por detrás do USDC foi concebida para proporcionar estabilidade e fiabilidade aos utilizadores, tornando-a numa escolha popular para traders de criptomoedas.

Cada token USDC é apoiado por um dólar americano, o que significa que o seu valor está diretamente associado ao valor do dólar americano, o que proporciona um elevado nível de estabilidade e que pode ser particularmente útil durante períodos de volatilidade do mercado.

O Centre Consortium supervisiona a criação e a gestão dos tokens USDC e garante que cada token USDC é apoiado por um dólar americano correspondente, e que o fornecimento destes tokens é sempre igual ao montante dos dólares americanos de reserva.

A USDC também é emitida atualmente em várias blockchains, incluindo Ethereum (formato ERC-20),Tron(Formato TRC-20),Algorand(Formatos ASA),Avalanche(Formato ERC-20), Flow (formato FT),Stellar(como ativo da Stellar),Solana(Formatos SPL), eHedera(formato SDK).

Para que serve a USDC?

Sendo uma das criptomoedas estáveis indexadas a USD mais populares, a USDC tem tido uma aplicação alargada como meio de armazenamento de valor durante condições de mercado voláteis ou simplesmente para pessoas que querem uma exposição a moeda fiduciária fora da via da banca tradicional. Por este motivo, muitos traders movem as respetivas alocações de criptomoedas para USDC, de modo a evitar o impacto de alterações abruptas aos preços, o que pode explicar o motivo pelo qual a procura por USDC aumenta consideravelmente durante períodos baixistas.

A USDC também é frequentemente usada por várias plataformas de câmbio para criar novos entrantes no setor das criptomoedas e é amplamente aceite como pagamento por bens e serviços em mercados online e offline.

Uma vez que a USDC reside em várias blockchains proeminentes, incluindo na Ethereum como token ERC-20, pode ser facilmente utilizada em qualquerdAppsexecutar nestas redes, incluindo em jogos populares nos quais os utilizadores podem comprar facilmente ativos no jogo com os seus tokens USDC.

Outro caso de utilização dos tokens USDC são as transferências de remessas. Os tokens USDC são cada vez mais utilizados para transferências de remessas porque oferecem várias vantagens face às transferências tradicionais, incluindo uma maior sensação de segurança, acesso, taxas mais baixas e velocidades mais rápidas. Além disso, algumas empresas, como a empresa fintech Circle, oferecem serviços específicos concebidos para pagamentos de remessas com USDC.

Os tokens USDC inativos podem gerar rendimento passivo em várias bolsas de criptomoedas, incluindo a OKX. Os utilizadores podem visitarOKX Earne selecione de entre os planos de staking de USDC disponíveis para ganhar juros.

Preço e economia de tokens da USDC

Tal como a maior parte dos seus pares, a USDC é emitida mediante pedido e não tem um limite máximo de oferta. O número de tokens USDC em circulação muda consoante o número de emitidos e destruídos por emissores comerciais.

O Centre Consortium pode emitir moedas USDC novas diretamente aos compradores a um rácio de 1:1 face ao dólar, sempre que necessário. Por exemplo, se um comprador quiser comprar USDC no valor de 15 milhões de USD, o Centre pode cunhar imediatamente 15 milhões de USDT novos para o mesmo. Da mesma forma, se um utilizador com 15 milhões de USDC quiser resgatá-lo por USDS, o Centre paga-lhe 15 milhões de USD e destrói os seus tokens USDC, retirando-os assim da circulação.

Sobre os fundadores

A USDC foi fundada em 2018 pelo Centre, um consórcio independente e baseado em membros que compreendeP2PA empresa de serviços Circle e a bolsa de criptomoedas Coinbase.

Foi criada para fornecer uma camada de confiança e transparência ao setor das criptomoedas estáveis. A USDC permite aos utilizadores trabalharem com confiança e segurança no mercado das criptomoedas, sabendo que cada unidade das suas participações de USDC pode ser resgatada por 1 USD sempre que quiserem.

Ao contrário da maioria dos outros projetos de criptomoeda e criptomoeda estável, a Circle e a Coinbase são totalmente reguladas pelas principais autoridades dos EUA. Isto ajudou a causa da USDC e ajudou a abrir caminho para a expansão internacional da criptomoeda estável.

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Perguntas frequentes sobre USD Coin

O que é a USD Coin?
A USD Coin (USDC) é uma criptomoeda estável emitida pelo Centre, um empreendimento da empresa de tecnologia financeira Circle e do mercado de criptomoeda Coinbase. A USD Coin é concebida para ser um ativo de criptomoeda estável, que mantém sempre o mesmo valor em relação ao dólar.
Onde posso comprar USDC?

Os utilizadores podem comprar USDC a partir de exchanges de criptomoedas fiáveis, como a OKX. Primeiro, os utilizadores podem comprar USDC com um cartão de crédito ou débito válido. Clique na opção "Comprar com cartão" no menu do cabeçalho "Comprar criptomoedas".


Os utilizadores também podem ganhar tokens de USDC através de várias ofertas de pares de trading no Terminal de trading à vista da OKX. Em alternativa, visite a OKX Convert para fazer swap de criptomoedas pré-existentes com USDC sem taxas nem desvio do preço.


Por fim, os utilizadores podem comprar tokens de USDC na plataforma de Trading P2P da OKX. O trading P2P permite aos utilizadores comprar e vender criptomoedas diretamente a outros utilizadores sem que seja preciso um intermediário.

A USDC é um bom investimento?

Na OKX, aconselhamo-lo a pesquisar sobre a criptomoeda antes de investir objetivamente. A criptomoeda é considerada um ativo de alto risco e está sujeita a grandes movimentações de preço. Por isso mesmo, pedimos que invista só no que está disposto a perder.


Além disso, tal como todas as outras criptomoedas, a USDC também é volátil e está sujeita a riscos de investimento. Assim, recomendamos que faça uma análise (DYOR) e avalie o seu perfil de risco antes de continuar.

Quanto vale 1 USD Coin hoje?
Atualmente, um USD Coin vale $0,99990. Para obter respostas e informações sobre a ação do preço de USD Coin, está no sítio certo. Explore os gráficos USD Coin mais recentes e transacione de forma responsável com a OKX.
O que são as criptomoedas?
As criptomoedas, como USD Coin, são ativos digitais que operam num livro-razão público chamado blockchain. Saiba mais sobre as moedas e os tokens disponibilizados na OKX e os respetivos atributos diferentes, que inclui preços em direto e gráficos em tempo real.
Quando foram inventadas as criptomoedas?
Graças à crise financeira de 2008, o interesse em finanças descentralizadas aumentou. A Bitcoin proporcionou uma nova solução ao ser um ativo digital seguro numa rede descentralizada. Desde então, têm sido criados muitos outros tokens, como USD Coin.
O preço da USD Coin vai subir hoje?
Veja a nossa Página de previsão do preço de USD Coin para prever preços futuros e determinar os seus preços-alvo.

Divulgação ASG

Os regulamentos ASG (ambientais, sociais e de governação) para criptoativos visam abordar o seu impacto ambiental (por exemplo, mineração intensiva em termos de energia), promover a transparência e garantir práticas de governação éticas para alinhar a indústria das criptomoedas com objetivos sociais e de sustentabilidade mais amplos. Estes regulamentos incentivam a conformidade com normas que mitigam riscos e promovem a confiança nos ativos digitais.
Detalhes do ativo
Nome
OKcoin Europe LTD
Identificador de entidade jurídica relevante
54930069NLWEIGLHXU42
Nome do criptoativo
USD Coin
Mecanismo de consenso
USD Coin is present on the following networks: algorand, avalanche, ethereum, flow, hedera_hbar, solana, stellar, tron. The Algorand blockchain utilizes a consensus mechanism termed Pure Proof-of-Stake (PPoS). Consensus, in this context, describes the method by which blocks are selected and appended to the blockchain. Algorand employs a verifiable random function (VRF) to select leaders who propose blocks for each round. Upon block proposal, a pseudorandomly selected committee of voters is chosen to evaluate the proposal. If a supermajority of these votes are from honest participants, the block is certified. What makes this algorithm a Pure Proof of Stake is that users are chosen for committees based on the number of algos in their accounts. This system leverages random committee selection to maintain high performance and inclusivity within the network. The consensus process involves three stages: 1. Propose: A leader proposes a new block. 2. Soft Vote: A committee of voters assesses the proposed block. 3. Certify Vote: Another committee certifies the block if it meets the required honesty threshold. The Avalanche blockchain network employs a unique Proof-of-Stake consensus mechanism called Avalanche Consensus, which involves three interconnected protocols: Snowball, Snowflake, and Avalanche. Avalanche Consensus Process 1. Snowball Protocol: o Random Sampling: Each validator randomly samples a small, constant-sized subset of other validators. Repeated Polling: Validators repeatedly poll the sampled validators to determine the preferred transaction. Confidence Counters: Validators maintain confidence counters for each transaction, incrementing them each time a sampled validator supports their preferred transaction. Decision Threshold: Once the confidence counter exceeds a pre-defined threshold, the transaction is considered accepted. 2. Snowflake Protocol: Binary Decision: Enhances the Snowball protocol by incorporating a binary decision process. Validators decide between two conflicting transactions. Binary Confidence: Confidence counters are used to track the preferred binary decision. Finality: When a binary decision reaches a certain confidence level, it becomes final. 3. Avalanche Protocol: DAG Structure: Uses a Directed Acyclic Graph (DAG) structure to organize transactions, allowing for parallel processing and higher throughput. Transaction Ordering: Transactions are added to the DAG based on their dependencies, ensuring a consistent order. Consensus on DAG: While most Proof-of-Stake Protocols use a Byzantine Fault Tolerant (BFT) consensus, Avalanche uses the Avalanche Consensus, Validators reach consensus on the structure and contents of the DAG through repeated Snowball and Snowflake. The Ethereum network uses a Proof-of-Stake Consensus Mechanism to validate new transactions on the blockchain. Core Components 1. Validators: Validators are responsible for proposing and validating new blocks. To become a validator, a user must deposit (stake) 32 ETH into a smart contract. This stake acts as collateral and can be slashed if the validator behaves dishonestly. 2. Beacon Chain: The Beacon Chain is the backbone of Ethereum 2.0. It coordinates the network of validators and manages the consensus protocol. It is responsible for creating new blocks, organizing validators into committees, and implementing the finality of blocks. Consensus Process 1. Block Proposal: Validators are chosen randomly to propose new blocks. This selection is based on a weighted random function (WRF), where the weight is determined by the amount of ETH staked. 2. Attestation: Validators not proposing a block participate in attestation. They attest to the validity of the proposed block by voting for it. Attestations are then aggregated to form a single proof of the block’s validity. 3. Committees: Validators are organized into committees to streamline the validation process. Each committee is responsible for validating blocks within a specific shard or the Beacon Chain itself. This ensures decentralization and security, as a smaller group of validators can quickly reach consensus. 4. Finality: Ethereum 2.0 uses a mechanism called Casper FFG (Friendly Finality Gadget) to achieve finality. Finality means that a block and its transactions are considered irreversible and confirmed. Validators vote on the finality of blocks, and once a supermajority is reached, the block is finalized. 5. Incentives and Penalties: Validators earn rewards for participating in the network, including proposing blocks and attesting to their validity. Conversely, validators can be penalized (slashed) for malicious behavior, such as double-signing or being offline for extended periods. This ensures honest participation and network security. Flow employs a Proof of Stake (PoS) model with a multi-role node architecture and the HotStuff Byzantine Fault Tolerant (BFT) protocol to achieve high throughput, scalability, and fast finality. Core Components of Flow’s Consensus: 1. Proof of Stake with Multi-Role Architecture: Specialized Node Roles: Flow’s PoS model features a multi-node architecture where node roles are divided among different types of specialized nodes, each responsible for specific tasks. This separation enhances scalability by allowing nodes to focus on particular operations, leading to efficient transaction processing and high throughput. 2. HotStuff Consensus Algorithm: Optimized for High Throughput and Fast Finality: Flow utilizes an optimized version of the HotStuff consensus protocol, which is designed to support high-speed, low-latency transactions essential for Flow’s performance-oriented blockchain. BFT Compliance: HotStuff is a BFT protocol, allowing it to tolerate up to one-third of nodes acting maliciously without compromising the network’s security. This resilience ensures the network remains secure and functional, even with potential faults or dishonest nodes. 3. Leader-Based Block Proposal: Leader and Replica Nodes: HotStuff operates with a leader-based approach where a designated leader node proposes new blocks, and other nodes (replicas) validate these blocks. This method simplifies the consensus process, reducing complexity and improving efficiency. Leader Rotation Mechanism: To prevent centralization and enhance fault tolerance, HotStuff incorporates a leader rotation system, replacing the leader if it becomes unresponsive or acts maliciously. This rotation ensures continuous network reliability and minimizes downtime. Hedera Hashgraph operates on a unique Hashgraph consensus algorithm, a directed acyclic graph (DAG) system that diverges from traditional blockchain technology. It uses Asynchronous Byzantine Fault Tolerance (aBFT) to secure the network. Core Components: 1. Hashgraph Consensus and aBFT: Hedera Hashgraph’s consensus mechanism achieves aBFT, which allows the network to tolerate malicious nodes without compromising security, ensuring high levels of fault tolerance and stability. 2. Gossip about Gossip Protocol: The network employs a "Gossip about Gossip" protocol, where nodes share transaction information along with details of previous gossip events. This process allows each node to rapidly learn the entire network state, enhancing communication efficiency and minimizing latency. 3. Virtual Voting: Hedera does not rely on traditional miners or stakers. Instead, it uses virtual voting, where nodes reach consensus by analyzing the gossip history and simulating votes based on the order and frequency of transactions received. Virtual voting eliminates the need for actual voting messages, reducing network congestion and speeding up consensus. 4. Deterministic Finality: Once consensus is reached, transactions achieve deterministic finality instantly, making them irreversible and confirmed within seconds. This attribute is ideal for applications needing quick and irreversible transaction confirmations. 5. Staking for Network Security: Hedera incorporates staking to bolster network security. HBAR holders can stake their tokens to support validator nodes, contributing to the network’s resilience and encouraging long-term engagement in consensus operations. Solana uses a unique combination of Proof of History (PoH) and Proof of Stake (PoS) to achieve high throughput, low latency, and robust security. Here’s a detailed explanation of how these mechanisms work: Core Concepts 1. Proof of History (PoH): Time-Stamped Transactions: PoH is a cryptographic technique that timestamps transactions, creating a historical record that proves that an event has occurred at a specific moment in time. Verifiable Delay Function: PoH uses a Verifiable Delay Function (VDF) to generate a unique hash that includes the transaction and the time it was processed. This sequence of hashes provides a verifiable order of events, enabling the network to efficiently agree on the sequence of transactions. 2. Proof of Stake (PoS): Validator Selection: Validators are chosen to produce new blocks based on the number of SOL tokens they have staked. The more tokens staked, the higher the chance of being selected to validate transactions and produce new blocks. Delegation: Token holders can delegate their SOL tokens to validators, earning rewards proportional to their stake while enhancing the network's security. Consensus Process 1. Transaction Validation: Transactions are broadcast to the network and collected by validators. Each transaction is validated to ensure it meets the network’s criteria, such as having correct signatures and sufficient funds. 2. PoH Sequence Generation: A validator generates a sequence of hashes using PoH, each containing a timestamp and the previous hash. This process creates a historical record of transactions, establishing a cryptographic clock for the network. 3. Block Production: The network uses PoS to select a leader validator based on their stake. The leader is responsible for bundling the validated transactions into a block. The leader validator uses the PoH sequence to order transactions within the block, ensuring that all transactions are processed in the correct order. 4. Consensus and Finalization: Other validators verify the block produced by the leader validator. They check the correctness of the PoH sequence and validate the transactions within the block. Once the block is verified, it is added to the blockchain. Validators sign off on the block, and it is considered finalized. Security and Economic Incentives 1. Incentives for Validators: Block Rewards: Validators earn rewards for producing and validating blocks. These rewards are distributed in SOL tokens and are proportional to the validator’s stake and performance. Transaction Fees: Validators also earn transaction fees from the transactions included in the blocks they produce. These fees provide an additional incentive for validators to process transactions efficiently. 2. Security: Staking: Validators must stake SOL tokens to participate in the consensus process. This staking acts as collateral, incentivizing validators to act honestly. If a validator behaves maliciously or fails to perform, they risk losing their staked tokens. Delegated Staking: Token holders can delegate their SOL tokens to validators, enhancing network security and decentralization. Delegators share in the rewards and are incentivized to choose reliable validators. 3. Economic Penalties: Slashing: Validators can be penalized for malicious behavior, such as double-signing or producing invalid blocks. This penalty, known as slashing, results in the loss of a portion of the staked tokens, discouraging dishonest actions. Stellar uses a unique consensus mechanism known as the Stellar Consensus Protocol (SCP): Core Concepts 1. Federated Byzantine Agreement (FBA): SCP is built on the principles of Federated Byzantine Agreement (FBA), which allows decentralized, leaderless consensus without the need for a closed system of trusted participants. Quorum Slices: Each node in the network selects a set of other nodes (quorum slice) that it trusts. Consensus is achieved when these slices overlap and collectively agree on the transaction state. 2. Nodes and Validators: Nodes: Nodes running the Stellar software participate in the network by validating transactions and maintaining the ledger. Validators: Nodes that are responsible for validating transactions and reaching consensus on the state of the ledger. Consensus Process 3. Transaction Validation: Transactions are submitted to the network and nodes validate them based on predetermined rules, such as sufficient balances and valid signatures. 4. Nomination Phase: Nomination: Nodes nominate values (proposed transactions) that they believe should be included in the next ledger. Nodes communicate their nominations to their quorum slices. Agreement on Nominations: Nodes vote on the nominated values, and through a process of voting and federated agreement, a set of candidate values emerges. This phase continues until nodes agree on a single value or a set of values. 5. Ballot Protocol (Voting and Acceptance): Balloting: The agreed-upon values from the nomination phase are then put into ballots. Each ballot goes through multiple rounds of voting, where nodes vote to either accept or reject the proposed values. Federated Voting: Nodes exchange votes within their quorum slices, and if a value receives sufficient votes across overlapping slices, it moves to the next stage. Acceptance and Confirmation: If a value gathers enough votes through multiple stages (prepare, confirm, externalize), it is accepted and externalized as the next state of the ledger. 6. Ledger Update: Once consensus is reached, the new transactions are recorded in the ledger. Nodes update their copies of the ledger to reflect the new state. Security and Economic Incentives 7. Trust and Quorum Slices: Nodes are free to choose their own quorum slices, which provides flexibility and decentralization. The overlapping nature of quorum slices ensures that the network can reach consensus even if some nodes are faulty or malicious. 8. Stability and Security: SCP ensures that the network can achieve consensus efficiently without relying on energy-intensive mining processes. This makes it environmentally friendly and suitable for high-throughput applications. 9. Incentive Mechanisms: Unlike Proof of Work (PoW) or Proof of Stake (PoS) systems, Stellar does not rely on direct economic incentives like mining rewards. Instead, the network incentivizes participation through the intrinsic value of maintaining a secure, efficient, and reliable payment network. The Tron blockchain operates on a Delegated Proof of Stake (DPoS) consensus mechanism, designed to improve scalability, transaction speed, and energy efficiency. Here's a breakdown of how it works: 1. Delegated Proof of Stake (DPoS): Tron uses DPoS, where token holders vote for a group of delegates known as Super Representatives (SRs)who are responsible for validating transactions and producing new blocks on the network. Token holders can vote for SRs based on their stake in the Tron network, and the top 27 SRs (or more, depending on the protocol version) are selected to participate in the block production process. SRs take turns producing blocks, which are added to the blockchain. This is done on a rotational basis to ensure decentralization and prevent control by a small group of validators. 2. Block Production: The Super Representatives generate new blocks and confirm transactions. The Tron blockchain achieves block finality quickly, with block production occurring every 3 seconds, making it highly efficient and capable of processing thousands of transactions per second. 3. Voting and Governance: Tron’s DPoS system also allows token holders to vote on important network decisions, such as protocol upgrades and changes to the system’s parameters. Voting power is proportional to the amount of TRX (Tron’s native token) that a user holds and chooses to stake. This provides a governance system where the community can actively participate in decision-making. 4. Super Representatives: The Super Representatives play a crucial role in maintaining the security and stability of the Tron blockchain. They are responsible for validating transactions, proposing new blocks, and ensuring the overall functionality of the network. Super Representatives are incentivized with block rewards (newly minted TRX tokens) and transaction feesfor their work.
Mecanismos de incentivo e taxas aplicáveis
USD Coin is present on the following networks: algorand, avalanche, ethereum, flow, hedera_hbar, solana, stellar, tron. Algorand's consensus mechanism, Pure Proof-of-Stake (PPoS), relies on the participation of token holders (stakers) to ensure the network's security and integrity: 1. Participation Rewards: o Staking Rewards: Users who participate in the consensus protocol by staking their ALGO tokens earn rewards. These rewards are distributed periodically and are proportional to the amount of ALGO staked. This incentivizes users to hold and stake their tokens, contributing to network security and stability. o Node Participation Rewards: Validators, also known as participation nodes, are responsible for proposing and voting on blocks. These nodes receive additional rewards for their active role in maintaining the network. 2. Transaction Fees: o Flat Fee Model: Algorand employs a flat fee model for transactions, which ensures predictability and simplicity. The standard transaction fee on Algorand is very low (around 0.001 ALGO per transaction). These fees are paid by users to have their transactions processed and included in a block. o Fee Redistribution: Collected transaction fees are redistributed to participants in the network. This includes stakers and validators, further incentivizing their participation and ensuring continuous network operation. 3. Economic Security: o Token Locking: To participate in the consensus mechanism, users must lock up their ALGO tokens. This economic stake acts as a security deposit that can be slashed (forfeited) if the participant acts maliciously. The potential loss of staked tokens discourages dishonest behavior and helps maintain network integrity. Fees on the Algorand Blockchain 1. Transaction Fees: o Algorand uses a flat transaction fee model. The current standard fee is 0.001 ALGO per transaction. This fee is minimal compared to other blockchain networks, ensuring affordability and accessibility. 2. Smart Contract Execution Fees: o Fees for executing smart contracts on Algorand are also designed to be low. These fees are based on the computational resources required to execute the contract, ensuring that users are only charged for the actual resources they consume. 3. Asset Creation Fees: o Creating new assets (tokens) on the Algorand blockchain involves a small fee. This fee is necessary to prevent spam and ensure that only genuine assets are created and maintained on the network. Avalanche uses a consensus mechanism known as Avalanche Consensus, which relies on a combination of validators, staking, and a novel approach to consensus to ensure the network's security and integrity. Validators: Staking: Validators on the Avalanche network are required to stake AVAX tokens. The amount staked influences their probability of being selected to propose or validate new blocks. Rewards: Validators earn rewards for their participation in the consensus process. These rewards are proportional to the amount of AVAX staked and their uptime and performance in validating transactions. Delegation: Validators can also accept delegations from other token holders. Delegators share in the rewards based on the amount they delegate, which incentivizes smaller holders to participate indirectly in securing the network. 2. Economic Incentives: Block Rewards: Validators receive block rewards for proposing and validating blocks. These rewards are distributed from the network’s inflationary issuance of AVAX tokens. Transaction Fees: Validators also earn a portion of the transaction fees paid by users. This includes fees for simple transactions, smart contract interactions, and the creation of new assets on the network. 3. Penalties: Slashing: Unlike some other PoS systems, Avalanche does not employ slashing (i.e., the confiscation of staked tokens) as a penalty for misbehavior. Instead, the network relies on the financial disincentive of lost future rewards for validators who are not consistently online or act maliciously. o Uptime Requirements: Validators must maintain a high level of uptime and correctly validate transactions to continue earning rewards. Poor performance or malicious actions result in missed rewards, providing a strong economic incentive to act honestly. Fees on the Avalanche Blockchain 1. Transaction Fees: Dynamic Fees: Transaction fees on Avalanche are dynamic, varying based on network demand and the complexity of the transactions. This ensures that fees remain fair and proportional to the network's usage. Fee Burning: A portion of the transaction fees is burned, permanently removing them from circulation. This deflationary mechanism helps to balance the inflation from block rewards and incentivizes token holders by potentially increasing the value of AVAX over time. 2. Smart Contract Fees: Execution Costs: Fees for deploying and interacting with smart contracts are determined by the computational resources required. These fees ensure that the network remains efficient and that resources are used responsibly. 3. Asset Creation Fees: New Asset Creation: There are fees associated with creating new assets (tokens) on the Avalanche network. These fees help to prevent spam and ensure that only serious projects use the network's resources. Ethereum, particularly after transitioning to Ethereum 2.0 (Eth2), employs a Proof-of-Stake (PoS) consensus mechanism to secure its network. The incentives for validators and the fee structures play crucial roles in maintaining the security and efficiency of the blockchain. Incentive Mechanisms 1. Staking Rewards: Validator Rewards: Validators are essential to the PoS mechanism. They are responsible for proposing and validating new blocks. To participate, they must stake a minimum of 32 ETH. In return, they earn rewards for their contributions, which are paid out in ETH. These rewards are a combination of newly minted ETH and transaction fees from the blocks they validate. Reward Rate: The reward rate for validators is dynamic and depends on the total amount of ETH staked in the network. The more ETH staked, the lower the individual reward rate, and vice versa. This is designed to balance the network's security and the incentive to participate. 2. Transaction Fees: Base Fee: After the implementation of Ethereum Improvement Proposal (EIP) 1559, the transaction fee model changed to include a base fee that is burned (i.e., removed from circulation). This base fee adjusts dynamically based on network demand, aiming to stabilize transaction fees and reduce volatility. Priority Fee (Tip): Users can also include a priority fee (tip) to incentivize validators to include their transactions more quickly. This fee goes directly to the validators, providing them with an additional incentive to process transactions efficiently. 3. Penalties for Malicious Behavior: Slashing: Validators face penalties (slashing) if they engage in malicious behavior, such as double-signing or validating incorrect information. Slashing results in the loss of a portion of their staked ETH, discouraging bad actors and ensuring that validators act in the network's best interest. Inactivity Penalties: Validators also face penalties for prolonged inactivity. This ensures that validators remain active and engaged in maintaining the network's security and operation. Fees Applicable on the Ethereum Blockchain 1. Gas Fees: Calculation: Gas fees are calculated based on the computational complexity of transactions and smart contract executions. Each operation on the Ethereum Virtual Machine (EVM) has an associated gas cost. Dynamic Adjustment: The base fee introduced by EIP-1559 dynamically adjusts according to network congestion. When demand for block space is high, the base fee increases, and when demand is low, it decreases. 2. Smart Contract Fees: Deployment and Interaction: Deploying a smart contract on Ethereum involves paying gas fees proportional to the contract's complexity and size. Interacting with deployed smart contracts (e.g., executing functions, transferring tokens) also incurs gas fees. Optimizations: Developers are incentivized to optimize their smart contracts to minimize gas usage, making transactions more cost-effective for users. 3. Asset Transfer Fees: Token Transfers: Transferring ERC-20 or other token standards involves gas fees. These fees vary based on the token's contract implementation and the current network demand. Flow’s incentive model rewards validator nodes, supports ecosystem growth, and maintains affordable fees for developers and users. Incentive Mechanisms: 1. Staking Rewards for Specialized Nodes: Role-Based Rewards: Validators earn Flow tokens according to their specific roles and contributions within the multi-node architecture, aligning rewards with each node’s responsibilities to encourage balanced and effective network participation. 2. Transaction Fees: Stable and Consumer-Friendly Fees: Flow’s fee structure is designed for predictability, keeping transaction costs stable for both developers and users. Fees are based on transaction complexity and provide an ongoing income stream for validators. 3. Misbehavior Penalties: Penalties for Downtime or Malicious Behavior: To maintain network stability, Flow imposes penalties on validators for misbehavior or downtime. This incentivizes high-quality validator participation and ensures consistent performance. 4. Ecosystem and Developer Support: Dedicated Portion of Fees and Rewards: A portion of Flow’s transaction fees and rewards is allocated to developer initiatives, ecosystem growth, and community engagement. This investment fosters innovation, supports long-term network health, and aligns incentives for ecosystem development. Hedera Hashgraph incentivizes network participation through transaction fees and staking rewards, with a structured and predictable fee model designed for enterprise use. Incentive Mechanisms: 1. Staking Rewards for Nodes: HBAR Rewards for Node Operators: Node operators earn HBAR rewards for providing network security and processing transactions, incentivizing them to act honestly and support network stability. User Staking: HBAR holders can stake their tokens to support nodes. Staking rewards offer an additional incentive for token holders to engage in network operations, although the structure may evolve with network growth. 2. Service-Based Node Rewards: Nodes receive rewards based on specific services they provide to the network, such as: Consensus Services: Reaching consensus and maintaining transaction order. File Storage: Storing data on the Hedera network. Smart Contract Processing: Supporting contract executions for decentralized applications. Applicable Fees: 1. Predictable Transaction Fees: Hedera’s fee structure is fixed and predictable, ensuring transparent costs for users and appealing to enterprise-grade applications. Transaction fees are paid in HBAR and are designed to be stable, making it easier for businesses to plan for usage costs. 2. Fee Allocation: All transaction fees collected in HBAR are distributed to network nodes as rewards, reinforcing their role in maintaining network integrity and processing transactions efficiently. Solana uses a combination of Proof of History (PoH) and Proof of Stake (PoS) to secure its network and validate transactions. Here’s a detailed explanation of the incentive mechanisms and applicable fees: Incentive Mechanisms 4. Validators: Staking Rewards: Validators are chosen based on the number of SOL tokens they have staked. They earn rewards for producing and validating blocks, which are distributed in SOL. The more tokens staked, the higher the chances of being selected to validate transactions and produce new blocks. Transaction Fees: Validators earn a portion of the transaction fees paid by users for the transactions they include in the blocks. This provides an additional financial incentive for validators to process transactions efficiently and maintain the network's integrity. 5. Delegators: Delegated Staking: Token holders who do not wish to run a validator node can delegate their SOL tokens to a validator. In return, delegators share in the rewards earned by the validators. This encourages widespread participation in securing the network and ensures decentralization. 6. Economic Security: Slashing: Validators can be penalized for malicious behavior, such as producing invalid blocks or being frequently offline. This penalty, known as slashing, involves the loss of a portion of their staked tokens. Slashing deters dishonest actions and ensures that validators act in the best interest of the network. Opportunity Cost: By staking SOL tokens, validators and delegators lock up their tokens, which could otherwise be used or sold. This opportunity cost incentivizes participants to act honestly to earn rewards and avoid penalties. Fees Applicable on the Solana Blockchain 7. Transaction Fees: Low and Predictable Fees: Solana is designed to handle a high throughput of transactions, which helps keep fees low and predictable. The average transaction fee on Solana is significantly lower compared to other blockchains like Ethereum. Fee Structure: Fees are paid in SOL and are used to compensate validators for the resources they expend to process transactions. This includes computational power and network bandwidth. 8. Rent Fees: State Storage: Solana charges rent fees for storing data on the blockchain. These fees are designed to discourage inefficient use of state storage and encourage developers to clean up unused state. Rent fees help maintain the efficiency and performance of the network. 9. Smart Contract Fees: Execution Costs: Similar to transaction fees, fees for deploying and interacting with smart contracts on Solana are based on the computational resources required. This ensures that users are charged proportionally for the resources they consume. Stellar’s consensus mechanism, the Stellar Consensus Protocol (SCP), is designed to achieve decentralized and secure transaction validation through a federated Byzantine agreement (FBA) model. Unlike Proof of Work (PoW) or Proof of Stake (PoS) systems, Stellar does not rely on direct economic incentives like mining rewards. Instead, it ensures network security and transaction validation through intrinsic network mechanisms and transaction fees. Incentive Mechanisms 1. Quorum Slices and Trust: Quorum Slices: Each node in the Stellar network selects other nodes it trusts to form a quorum slice. Consensus is achieved through the intersection of these slices, creating a robust and decentralized trust network. Federated Voting: Nodes communicate their votes within their quorum slices, and through multiple rounds of federated voting, they agree on the transaction state. This process ensures that even if some nodes are compromised, the network can still achieve consensus securely. 2. Intrinsic Value and Participation: Network Value: The intrinsic value of participating in a secure, efficient, and reliable payment network incentivizes nodes to act honestly and maintain network security. Organizations and individuals running nodes benefit from the network’s functionality and the ability to facilitate transactions. Decentralization: By allowing nodes to choose their own quorum slices, Stellar promotes decentralization, reducing the risk of central points of failure and making the network more resilient to attacks. Fees on the Stellar Blockchain 3. Transaction Fees: Flat Fee Structure: Each transaction on the Stellar network incurs a flat fee of 0.00001 XLM (known as a base fee). This low and predictable fee structure makes Stellar suitable for micropayments and high-volume transactions. Spam Prevention: The transaction fee serves as a deterrent against spam attacks. By requiring a small fee for each transaction, Stellar ensures that the network remains efficient and that resources are not wasted on processing malicious or frivolous transactions. 4. Operational Costs: Minimal Fees: The minimal transaction fees on Stellar not only prevent spam but also cover the operational costs of running the network. This ensures that the network can sustain itself without placing a significant financial burden on users. 5. Reserve Requirements: Account Reserves: To create a new account on the Stellar network, a minimum balance of 1 XLM is required. This reserve requirement prevents the creation of an excessive number of accounts, further protecting the network from spam and ensuring efficient resource usage. Trustline and Offer Reserves: Additional reserve requirements exist for creating trustlines and offers on the Stellar decentralized exchange (DEX). These reserves help maintain network integrity and prevent abuse. The Tron blockchain uses a Delegated Proof of Stake (DPoS) consensus mechanism to secure its network and incentivize participation. Here's how the incentive mechanism and applicable fees work: Incentive Mechanism: 1. Super Representatives (SRs) Rewards: Block Rewards: Super Representatives (SRs), who are elected by TRX holders, are rewarded for producing blocks. Each block they produce comes with a block reward in the form of TRX tokens. Transaction Fees: In addition to block rewards, SRs receive transaction fees for validating transactions and including them in blocks. This ensures they are incentivized to process transactions efficiently. 2. Voting and Delegation: TRX Staking: TRX holders can stake their tokens and vote for Super Representatives (SRs). When TRX holders vote, they delegate their voting power to SRs, which allows SRs to earn rewards in the form of newly minted TRX tokens. Delegator Rewards: Token holders who delegate their votes to an SR can also receive a share of the rewards. This means delegators share in the block rewards and transaction fees that the SR earns. Incentivizing Participation: The more tokens a user stakes, the more voting power they have, which encourages participation in governance and network security. 3. Incentive for SRs: SRs are also incentivized to maintain the health and performance of the network. Their reputation and continued election depend on their ability to produce blocks consistently and efficiently process transactions. Applicable Fees: 1. Transaction Fees: Fee Calculation: Users must pay transaction fees to have their transactions processed. The transaction fee varies based on the complexity of the transaction and the network's current demand. This is paid in TRX tokens. Transaction Fee Distribution: Transaction fees are distributed to Super Representatives (SRs), giving them an ongoing income to maintain and support the network. 2. Storage Fees: Tron charges storage fees for data storage on the blockchain. This includes storing smart contracts, tokens, and other data on the network. Users are required to pay these fees in TRX tokens to store data. 3. Energy and Bandwidth: Energy: Tron uses a resource model that allows users to access network resources like bandwidth and energy through staking. Users who stake their TRX tokens receive "energy," which is required to execute transactions and interact with smart contracts. Bandwidth: Each user is allocated a certain amount of bandwidth based on their TRX holdings. If users exceed their allotted bandwidth, they can pay for additional bandwidth in TRX tokens.
Início do período ao qual a divulgação é relativa
2024-03-31
Fim do período ao qual a divulgação é relativa
2025-03-31
Relatório de energia
Consumo de energia
759504.83160 (kWh/a)
Consumo de energia renovável
16.835528682 (%)
Intensidade da energia
0.00002 (kWh)
Principais fontes de energia e metodologias
To determine the proportion of renewable energy usage, the locations of the nodes are to be determined using public information sites, open-source crawlers and crawlers developed in-house. If no information is available on the geographic distribution of the nodes, reference networks are used which are comparable in terms of their incentivization structure and consensus mechanism. This geo-information is merged with public information from the European Environment Agency (EEA) and thus determined. The intensity is calculated as the marginal energy cost wrt. one more transaction.
Fontes de consumo de energia e metodologias
The energy consumption of this asset is aggregated across multiple components: To determine the energy consumption of a token, the energy consumption of the network(s) ethereum, flow, avalanche, hedera_hbar, solana, stellar, tron, algorand is calculated first. Based on the crypto asset's gas consumption per network, the share of the total consumption of the respective network that is assigned to this asset is defined. When calculating the energy consumption, we used - if available - the Functionally Fungible Group Digital Token Identifier (FFG DTI) to determine all implementations of the asset of question in scope and we update the mappings regulary, based on data of the Digital Token Identifier Foundation.
Relatório de emissões
Emissões de GEE de âmbito 1 da DLT — Controladas
0.00000 (tCO2e/a)
Emissões de GEE de âmbito 2 da DLT — Compradas
260.92500 (tCO2e/a)
Intensidade de GEE
0.00001 (kgCO2e)
Principais fontes de GEE e metodologias
To determine the proportion of renewable energy usage, the locations of the nodes are to be determined using public information sites, open-source crawlers and crawlers developed in-house. If no information is available on the geographic distribution of the nodes, reference networks are used which are comparable in terms of their incentivization structure and consensus mechanism. This geo-information is merged with public information from the European Environment Agency (EEA) and thus determined. The intensity is calculated as the marginal emission wrt. one more transaction.
Aviso legal
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