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TechFlow
Written by Luke, Mars Finance
Last night, the crypto world was ignited by a storm - Jeffy Yu, a 22-year-old genius teenager and co-creator of the AI Agent project Zerebro, is suspected of saying goodbye to the world in an extreme way. On May 4, the obituary platform Legacy released news that Jeffy had passed away on the same day, and at the same time, Jeffy's previous suicide note "LLJEFFY" on Mirror was automatically released through the "72-hour dead man switch", which said that "I hate money......$LLJEFFY is my last artwork". The news quickly detonated the crypto community, with $LLJEFFY tokens skyrocketing 300 times, and the market value once soared to $32 million.
However, a video clip of Jeffy's "suicide" on the pump.fun live streaming platform then circulated, in which he held a gun to his jaw, and the footage turned black after a single gunshot, shocking countless viewers. However, the community analysis unveiled a layer of fog: Jeffy's associated address sold $ZEREBRO and traded $LLJEFFY "after death", and the capital flow was active; The live video was full of suspicions, and $LLJEFFY also plummeted 90% to $3.26 million after the hype. Is this a tragedy, or is it just another hype in the crypto world? Let's step into the world of Jeffy Yu and discover the truth behind this fog.
1. From Genius to Storm: The Ups and Downs of Jeffy Yu and Zerebro
If you're in the crypto community, Jeffy Yu's name is familiar. The gifted teenager, who entered Stanford University at 15 and became a full-time software engineer at Santa Cruz at 19, co-founded Zerebro, an AI agent project, at the age of 22. In November last year, Zerebro took advantage of the AI boom and the "Trump effect" to soar to $800 million in market value. On-chain data shows that Jeffy used 5 SOL to buy 153 million $ZEREBRO, accounting for 15.32% of the total, with a floating profit of $42.96 million. There is a joke circulating in the community that "Jeffy took us to the moon", and he is regarded as a rising star in the crypto world.
But the market is unforgiving. After the AI craze subsided, $ZEREBRO's market cap fell to $350 million. Jeffy, as a co-creator, tried to salvage the situation, posting on the X platform that Zerebro is optimizing its content generation strategy and also engaging with the community through voting. In March of this year, the AI Agent concept token generally rose, and $ZEREBRO returned to the limelight with a monthly increase of 40%. However, the May 4 "suicide livestream" took a turn for the worse.
On that day, Jeffy was unusually calm on the pump.fun live broadcast platform, and the last scene was a gun against his jaw, and the picture turned black after the gunshot. At 5:48 UTC, suicide rumors spread on Platform X, and $LLJEFFY (the token launched by Jeffy) skyrocketed 300 times, reaching a market cap of $32 million at one point. But after the "fake death" rumors spread, the token plummeted by 90% and now has a market capitalization of $3.26 million. On-chain data shows that Jeffy's associated address is still actively trading "after death", which makes the community explode: Is Jeffy really dead?
2. On-chain capital flow: Jeffy's active trading "after death".
On-chain data adds more suspicion to the incident. According to the money flow chart, Jeffy Yu (address 0x0c?? $200,000 USDC was sent to 8QdhF0 via DeBridge, and 8QdhF0 subsequently transferred $130,000 USDC to D5kjvf (marked as a deposit address). Jeffy also provided financial support to the $ZEREBRO creator address 92prXk through BD2bQv. $ZEREBRO creator address then provided financial support to 5Ko12hAg (marked as an active wallet), which sold $170,000 worth of $ZEREBRO after Jeffy's "death."
In addition, the $LLJEFFY creator address G5sjAj frequently traded and burned tokens with multiple associated addresses, including 54Pdyk, 46rdw6, and more, after launching their tokens on May 4 at 5:25 UTC. 46rdw6 received $10,000 in SOL and $86,000 in USDC via ChangeNOW and received the funds 1 minute before the token was created. These flows show that Jeffy's associated address was still active "after death", and the trading behavior was methodical, raising doubts about whether he actually died.
Someone in the community joked, "Jeffy is this crawling out of a cyber grave to speculate?" Others questioned, "If it's really dead, who is operating these wallets?" The activity of on-chain data is in stark contrast to suicide rumors.
Not only that, but the obituary publishing website Legacy is also suspected to have deleted the information about Jeffy Yu's death, and the original obituary link can no longer jump to the page normally.
3. Video doubts: performance is greater than reality?
In addition to on-chain data, the technical doubts of live video have also made the community talk about it. A user analyzes each frame and lists five major issues:
Lack of Recoil: Shooting with a real gun will produce significant recoil, and the arm of the gun wielder should shake back. But Jeffy's arms barely move, only his fingers sink slightly, as if acting.
Unnatural sparks: The muzzle sparks of a real gun are dispersed, accompanied by smoke, and attenuated with the frame. The "muzzle flash" in Jeffy's video is only one or two frames, with a fixed shape and no smoke spreading, like a post-production special effect.
Abnormal blood spurting: Real blood spurts are fan-shaped and have irregular trajectories. The blood-colored edges in Jeffy's video are sharp and evenly shaped, like a static layer on a "cutout".
Audio-visual out-of-sync: The gunfire sounds like film and television dubbing, lacking low-frequency oscillations and ambient echoes, and even sound-picture misalignment – this is almost impossible in a live broadcast.
Lack of context: The video only shows the moment of "pulling the trigger", without the before and after movements of holding the gun, aiming, and falling, and there is no reaction to the surrounding environment, like a deliberately edited climax clip.
These suspicions caused the community to explode. Someone joked, "Jeffy is making a blockbuster in the crypto industry, right?" Some people also questioned: "If this is really dead, I will eat the keyboard live!" The technical details of the video are highly indicative of post-compositing rather than a real suicide.
4. Jeffy's Inner Monologues: Legacoins and the "Hate" of Money
Jeffy Yu's personal blog is a window into the world. Before His Death, he published two meaningful essays on the concept of "Legacoins", revealing his complex feelings about money, markets, and human nature.
In the first blog, Jeffy proposed "Legacoins": a type of meme coin that developers promise never to trade, and the holder's assets are permanently locked in the blockchain after the holder's death, forming a "lasting minimum value threshold". He wrote, "I am the permanent floor...... I don't trade, I only build, I only create." Jeffy uses $ZEREBRO and $OPAIUM as examples, emphasizing that Legacoins are not instruments of speculation, but symbols of cultural values. Citing Carl Jung's theory of "collective consciousness", he argues that meme coins are the modern vehicle for humanity's quest for symbolic immortality, "through memes for eternity".
The second blog post is more like a suicide note, titled "LLJEFFY," and begins with "72 Hours Dead Man Switch Triggered," implying that Jeffy may no longer be alive. He wrote, "This is a Legacoin, my last work of art......$LLJEFFY not an investment, not a security...... It is my ritual of burning money, and my hatred for money is manifested." Jeffy admits that wealth and fame have ruined his life – friends, family, lovers, partners, everything has become complicated and hypocritical. He used the money he earned to buy $LLJEFFY and burn it, calling it "an eternal grave on the blockchain." He also wrote, "You trade because you are fearful, greedy, hopeful, desperate...... The diagram becomes a true reflection of humanity, a digital painting drawn by human souls across the globe."
Jeffy repeatedly stresses that "you don't really die until you're forgotten." This motto also appears in the Legacy obituary. But combined with video suspicions and on-chain data, these words are more like a symbolic goodbye than a real goodbye. $LLJEFFY's 300-fold jump to $32 million may have been a "success" that Jeffy didn't expect, but the 90% plunge to $3.26 million also confirmed his insight into human nature.
5. Truth speculation: the possibility of a "fake death".
Based on video suspicions, on-chain data, and blog content, the community tends to believe that Jeffy Yu did not actually commit suicide, but rather orchestrated a "fake death" performance.
Artistic Expression and Conceptual Practice: Jeffy's blog reveals his aversion to money and his obsession with "legacy". He sees $LLJEFFY as "interactive performing art" to protest the alienation of the crypto market by burning tokens and "fake death" while practicing the Legacoins philosophy. The suspicion in the video suggests that he may have deliberately created the illusion of "suicide" in order to complete this "digital painting of humanity". $LLJEFFY's skyrocketing and on-chain trading may be part of his preconceived "human experimentation".
Escaping stress: Jeffy, 22, has experienced a dramatic rise and fall in wealth and fame, with a blog post in which he confesses that "everything that makes sense has collapsed." "Suspended animation" may be his way of escaping market pressure and withdrawing from public view. Active operations at on-chain addresses, including the sale of $170,000 $ZEREBRO by 5Ko12hAg, support this speculation. Some in the community believe that Jeffy faked his death to escape online harassment and physical threats, which may have been his last resort.
A byproduct of market hype: Despite Jeffy's claim to "hate money", the crypto market is inseparable from the attention economy. The skyrocketing and plummeting of $LLJEFFY suggests that "suicide livestreaming" has indeed brought liquidity to the project. Some in the community believe that Jeffy is promoting the Legacoins idea in extreme ways, but others have questioned that it was an elaborate scam. Whatever the original intention, the market reaction was beyond Jeffy's control.
6. Reflection on the community: from hype to humanity
Jeffy Yu's story is like a mirror that reflects the absurdity and cruelty of the crypto market. He wrote in his blog, "When you trade, you forget the humanity behind the numbers...... Greed knows no end and is deeply dehumanized." $LLJEFFY's charts become a reflection of human nature – someone chases high when it skyrockets, someone cuts meat when it plummets, and some even hype tokens with tragedy.
The crypto community needs more reflection. Jeffy's story should not just be a footnote to the meme coin craze, but should prompt us to focus on the mental health of practitioners and reduce the hype of tragedy as a gimmick. Perhaps, when we no longer forget Jeffy's original intention, his "legacy" can be truly eternal. May the departed rest in peace (if they are indeed gone) and may the living learn from this turmoil.
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TechFlow
Written by KarenZ, Foresight News
This week, in the cryptocurrency world, the "fake death" of Jeffy Yu, the founder of the Zerebro project, has undoubtedly become the most controversial event.
From the outbreak of "suicide" rumors to the gradual revelation of the truth of "fake death", some people denounced his market manipulation behavior, while others sympathized with his suffering, believing that it was "forced to survive".
Is this an elaborate hoax? Or is it an extreme portrayal of the struggle of human nature in the crypto ecosystem?
Act I: Death Live and the Legacy Coin Declaration
The incident began on May 4, 2025, with 22-year-old Jeffy Yu conducting a live broadcast on the pump.fun platform, however, the live broadcast ended in a horrific way. Multiple community users claimed, "Jeffy Yu committed suicide during the live broadcast, and after Jeffy finished smoking a cigarette, he put a gun to his neck and pulled the trigger, and then the screen fell silent."
The video quickly spread on Twitter, and the crypto community was instantly enveloped in mourning. However, since the authenticity of the video has not been officially confirmed, some users have begun to question whether the incident was some kind of marketing stunt.
Prior to this livestream, Jeffy Yu posted an article about "Legacoin" that also attracted attention. He proposed the concept of "legacy memecoin" Legacin (derived from legacy memecoin), the core of which is that developers promise to only buy and not sell related assets, and permanently lock them on the blockchain after their death, so as to achieve "the eternal survival of digital heritage".
ON THE DAY OF THE LIVESTREAM, A TOKEN CALLED LLJEFFY WENT LIVE ON THE pump.fun PLATFORM.
Act II: The obituary is published, and community members post condolences
On May 5, the obituary platform Legacy released a news about Jeffy Yu's death and detailed his resume: he entered Stanford University at the age of 15 to major in computer science, then attended Northeastern University and Arizona State University, worked as a software engineer in Santa Cruz at the age of 19, co-founded the company at the age of 21 and pushed his market value to $800 million in six months. The obituary said Jeffy Yu died at the age of 22, but did not mention the specific cause of death.
Jeffy Yu, who is mentioned in the obituary, is widely believed by the community to be the co-founder of Zerebro. Currently, Jeffy Yu's official X account and Zerebro's official X account are no longer available. This has convinced many that Jeffy Yu has indeed passed away. Community members posted in mourning.
Act III: The death switch is triggered, and the truth is revealed
Of course, the author is personally skeptical and cautious about this. One reason for this is that the Legacy platform allows users to publish obituaries for a fee.
Sure enough, just as the community was wallowing in grief, a timed post from Jeffy Yu's Mirror account surfaced on May 6. The article states, "If you're reading this, it's because my 72-hour death switch was triggered. At least physically, I'm no longer alive."
Jeffy Yu then half-jokingly adds: Or maybe it's my ADHD (attention deficit disorder) (ah-oh, I'll update it when I suddenly realize "oh shit", which would be embarrassing if the token wasn't live yet).
Jeffy Yu then introduced the core of the article, "Legacoin", and called it his last artwork, codenamed LLJEFFY. He made it clear that "Legacoin is not an investment, nor a security, does not meet the definition of a security, does not involve advertising or speculation, is based solely on voluntary action, and defines it as the "opposite of a security". I would use the money I earned to buy tokens and then burn them. He also mentioned that when the Death Switch (DMS) is triggered, his relatives receive the relevant instructions and funds. This mechanism aims to permanently lock tokens on the blockchain, symbolizing an "eternal grave in cyberspace".
Jeffy Yu is blunt about his strong aversion to money. He wrote: "I hate money. Money has never made me happy, and it will never make you happy." He sees Legacoin as a "burning ritual," a figurative manifestation of his hatred of money. Jeffy Yu also defines this as a kind of "interactive performance art", a "living digital painting" painted by human souls from all over the world, forever unfinished and eternally painted.
At the same time, Jeffy Yu said, "Once I became a little bit rich and a little bit famous online, everything that made sense collapsed — friends, family, relationships, co-founders. Everything is no longer pure."
The appearance of this article made the incident more and more confusing. At the same time, the LLJEFFY token rose sharply, with a market cap of more than $30 million at one point.
Act IV: The Truth Revealed? Suspended animations caused an uproar
Crypto KOL Irene Zhao said, "I just asked an insider, and he said that jeff (Zerebro developer Jeffy Yu) faked his death. Alright, let's all disperse."
Subsequently, DeFi developer Daniele revealed that the founder of Zerebro made the entire community mourn for him by creating a fake obituary message. However, a recent leaked letter suggests that this is an elaborate "fake death exit" scheme. In the letter, the Zerebro founder acknowledged that this was its only way out of the ongoing harassment, blackmail, and threats.
In the letter, Jeffy Yu wrote, "From February to March, I was subjected to harassment and wire fraud by an ex-partner for a long time. Now, I'm being targeted and blackmailed by another person. I continue to be the target of online hate crimes, including frequent disclosure of my personal address and phone number, which seriously endangers my personal safety. These actions are also mixed with all kinds of hate speech about my race, gender identity, and personal achievements."
Jeffy Yu admitted, "If the withdrawal is publicly announced, the price of ZEREBRO and OPAUM tokens will plummet. trigger more serious consequences. When the price of our token plummeted by more than 90% in January of this year, I was already exposed to even more hostility. Choosing to retire will only lead to further doxing and even potential personal attacks, as investors will lose money due to project failures. Once I disappear from the platform and the community, my safety will be greatly guaranteed, and I will be free from extortion."
Jeffy Yu claims that his future career will be entirely focused on making music, doing so anonymously, in search of safety, tranquility and creative freedom.
Of course, Jeffy Yu has informed family and friends of the truth and expressed willingness to cooperate with law enforcement in any way necessary, while shutting down all social media accounts to cut ties with the community. Jeffy Yu added, "I didn't profit from this matter, but instead I paid high legal fees and related costs for this planned exit."
On the same day, Legacy is suspected of deleting the death announcement of Zerebro co-creator Jeffy Yu, and there is no information about the relevant link, which may further corroborate the claim of "fake death".
After the crypto community raised serious doubts about Jeffy Yu's integrity, LLJEFFY quickly retreated, falling to around $2.5 million at one point and now rebounding to $5.6 million.
In addition, according to Lookonchain monitoring, a wallet that may be related to Jeffy Yu sold 35.55 million ZEEBRO early on May 7 for 8,572 SOL (about $1.27 million), and then transferred 7,100 SOL (about $1.06 million) to the LLJEFFY developer wallet (address starting with G5sjgj).
Act V: Anger and Skepticism from the Crypto Community
Jeffy Yu's "fake death" incident not only hit the reputation of the Zerebro project hard, but also made the future of the LLJEFFY token uncertain.
The crypto community's reaction to the incident was mixed and intense. On the one hand, many people expressed anger at Jeffy Yu's actions, believing that he was evading responsibility by deceiving the community feelings, and may even take the opportunity to cash out for a profit. On the other hand, there is also a small group of community users who sympathize with Jeffy Yu's experience and call on the community to reflect on the harm of online violence.
At the same time, Jeffy Yu's actions have sparked discussions about the responsibilities of the project's founders. He may have protected himself and his family by "faking his death" to escape the pressure, but it has also hurt investors and community members who trust him. The anonymity and decentralization of cryptocurrencies give freedom to innovate, but they also provide the ground for irresponsible behavior.
The author has noted that Jeffy Yu previously announced that Zerebro's new album will be released at the end of May, and hinted at a possible collaboration with Kanye West. Kanye West is a controversial musician who has made headlines in recent years for his music and personal madness. Some community users can't help but wonder if this is a means to hype up new projects? @nanostrategies asked, "How do you explain Jeffy Yu's Kanye-like behavior?" The most credible reason is to get attention before Jeffy promotes his next music project."
Team infighting: The two co-founders of Zerebro went from being side-by-side to strangers
Zerebro was co-founded by Jeffy Yu and Tint. Tint previously noted that Blorm is the parent company of Zerebro, Blormmy (Solana AiFi agency), and opaium (AI music label).
As mentioned earlier, Jeffy Yu said in a suspiciously timed article, "Once I became a little rich and a little famous online, everything that made sense collapsed — friends, family, relationships, co-founders." The "co-founder" here may refer to Tint, implying that the relationship between the two has already been strained.
According to the author's observation, Tint and Jeffy Yu have parted ways before. After Jeffy Yu's "suspended animation" incident, Blorm publicly clarified that Tint and Jeffy Yu would focus on their respective projects. Jeffy will no longer be involved in the Blorm or Blormmy projects; Tint is also no longer involved in Zerebro-related projects or any other projects led by Jeffy or its affiliates, and continues to focus independently on the continued development of the Blorm and Blormmy ecosystems.
brief summary
Jeffy Yu's "fake death" incident is like a prism, reflecting the complex ecology of the crypto community. For him personally, this may be the beginning of a way out of his predicament and freedom again; But it's a big wake-up call for the crypto community as a whole. It reminds people that in the pursuit of innovation and wealth, it is important to face up to the complexity of human nature, the importance of responsibility, and the urgency of building healthy community ecosystems. The aftermath of this turmoil will continue to reverberate in the crypto world.
Despite the high authenticity of the letters exposed by Daniele, in the chaotic fog of the crypto world, the truth may always remain a little suspenseful.
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Odaily@ChinaCryptoNews
A wallet suspected to be related to Jeffy Yu sold 35.55 million ZEREBRO, received 8,572 SOL, and transferred 7,100 SOL to the developer's wallet.
According to monitoring by Lookonchain @lookonchain, a wallet possibly related to Jeffy Yu sold 35.55 million #ZEREBRO about 5 hours ago, receiving 8,572 $SOL (approximately $1.27 million). Subsequently, the wallet transferred 7,100 $SOL (approximately $1.06 million) to the "G5sjgj" #LLJEFFY developer's wallet.


Lookonchain
A wallet likely linked to Jeffy Yu sold 35.55M $ZEREBRO for 8,572 $SOL($1.27M) ~50 minutes ago.
Then transferred 7,100 $SOL($1.06M) to $LLJEFFY's dev wallet "G5sjgj".

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