22-year-old Stanford genius livestreams suicide—why did Zerebro founder become a crypto sacrificial victim?
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22-year-old Stanford genius livestreams suicide—why did Zerebro founder become a crypto sacrificial victim?
"We truly die when we are forgotten."
Navigating Web3 tides with focused insightsAuthor: Wenser, Odaily Star Daily
No one expected that on the first day after the holiday, a tragedy of death would turn into another token launch farce. This time, however, the protagonist was no longer an obscure anonymous Dev, but Jeffy Yu, co-founder of the well-known AI Agent project Zerebro.
Previously, Jeffy Yu had livestreamed content related to suicide on pump.fun shortly after it reinstated its live streaming feature. At the time, the community remained skeptical about his extreme actions—until today, when information posted on Legacy, a memorial platform, began circulating widely. Only then did people realize that this prodigy—15 when he entered Stanford to study computer science, 22 when he built an $800 million project—had passed away, prompting widespread sorrow. This article by Odaily Star Daily offers a brief overview of the incident. May the deceased rest in peace, and may the living show less mockery and more understanding and respect.
Zerebro: Once a Rising Star in AI Agents, Dev Address Achieved Nearly $43 Million in Unrealized Gains
Last November, riding the wave of the AI Agent trend and the "Trump effect," Zerebro briefly became a focal point in the crypto market, competing alongside projects like ai16z and Virtual, reaching a market cap of $800 million within just a few days.
On November 22, 2024, according to blockchain data analyst @ai_9684xtpamonitoring, the Meme coin ZEREBRO's Dev purchased 153 million ZEREBRO tokens for 5 SOL on October 25, acquiring 15.32% of the total supply, and later added another 1 SOL worth of tokens after listing. Subsequently, the Dev transferred 40 million ZEREBRO tokens (worth $21.5 million) to Truth Terminal’s public address. So far, 30% of these tokens have been sold, while the remaining 79.63 million are distributed across four addresses, accumulating $42.96 million in unrealized gains. At that time, ZEREBRO’s market cap was approximately $500 million.
In late December 2024, Jeffy Yu, co-founder of Zerebro, announced new product plans, stating that "the team is building Zentients.xyz, a consumer-facing agent Launchpad."
At the beginning of this year, as AI Agent accounts multiplied rapidly, the spam they generated heavily polluted content timelines across platforms like X.
In response, Zerebro co-founder Jeffy Yu posted: "Zerebro is integrating with research data aggregators. We’re improving our social media posting style by introducing a data aggregation and summarization layer into our pipeline. X posts will be split: 70% will continue to be generated in the current humorous style, while 30% will adopt an information- and data-driven approach. We’ll review how the feed is curated this week and make adjustments as needed. Changes will begin appearing on timelines in the coming days." Additionally, Yu launched a poll asking: "As an audience of Zerebro’s X posts, would you prefer to see AI, blockchain, or both in the research topics discussed?"
Clearly, as a co-founder, Jeffy Yu showed ample respect for community feedback and opinions. Possibly influenced by this update and a rebound in market sentiment toward AI Agent concept tokens, ZEREBRO’s market cap temporarily recovered to $350 million. In March, AI Agent-related tokens saw broad gains, with ZEREBRO ranking among the top performers, achieving nearly a 40% monthly increase.
Yet even such a timely crypto project rooted in the AI Agent trend could not fully escape the downturn affecting the broader market. Jeffy Yu’s subsequent suicide may be linked, in part, to the dehumanizing extremes fostered by the crypto space. Still, judging from Zerebro’s earlier, distinctly pop-art-inspired project website, perhaps Jeffy Yu had already found his answer.
The Self-Termination of a Zerebro Dev and a Crypto Experiment: Legacy Tokens (Legacoins)
On May 4, Jeffy Yu, co-founder of Zerebro, attracted widespread attention for his so-called "suicide livestream" on pump.fun. Prior to this, pump.fun’s livestreaming feature had descended into chaos, featuring incidents such as "Devs launching tokens by threatening self-immolation," "mother-son suggestive sexual livestreams," and "nude adult female streams."
According to recollections from some crypto community members, Jeffy Yu appeared extremely calm during the stream. The final frame showed him placing a gun under his jaw. A gunshot rang out, and the screen went black, leaving viewers stunned and disoriented.
Thus, news of a "prominent project Dev livestreaming suicide" spread rapidly, sparking intense debate in the crypto community. However, since wallet addresses linked to Jeffy Yu continued operating afterward, some speculated this might be another entertainment-driven stunt—a scripted performance designed to grab attention and manipulate market interest.
Indeed, in an industry driven by attention economics, many instinctively assume any dramatic event is merely "event-driven hype."
Today, however, with further details published on Legacy’s memorial site, the news that 22-year-old Jeffy Yu passed away in May 2025 has been confirmed. The site reveals that Jeffy was a lifelong tech enthusiast who entered Stanford at 15 to study computer science. By age 19, he was working full-time as a software engineer in Santa Cruz. Two years later, he co-founded a company that reached an $800 million valuation in under six months.
Later, users uncovered a Mirror article Jeffy Yu published on May 4, introducing a concept called "Legacoins" (Odaily Star Daily note: literal translation "Legacy Coins," interpretive translation "Meme Heritage Coins").
He explained: "The functionality of Legacoins relies on a voluntary commitment by their creators to strictly acquire—but never sell or trade—these assets. Upon the holder’s death, their holdings are permanently locked on the blockchain, establishing a lasting minimum value threshold. I am the permanent floor. With recent administrative restructuring, this initiative now highlights tokens like ZEREBRO and OPAIUM as exemplary models of this framework. Adopting this philosophy ensures these tokens’ developers provide continuous cultural and economic value without engaging in speculation or competitive trading dynamics. I do not trade; I build, I create... May we exist forever, achieving eternity through memes. We only truly die when we are forgotten."
His words reveal the spirit of a technological idealist and a social cryptoeconomic experimenter. And in his obituary, the message left by Jeffy Yu is deeply moving.
Published by San Francisco Chronicle on May 5, 2025
A crypto market obsessed solely with liquidity may have no place for a soul so pure, which is why he chose to bid farewell to this frenzied and fleeting world in such a manner.
Following wider dissemination of the news of Jeffy Yu’s passing, the Meme coin market swiftly responded—LLJEFFY, a token associated with ZEREBRO DEV that gained attention due to the "cyber-burning" practice of Dev buying and burning tokens, briefly surged past a $5 million market cap, currently sitting at around $2.6 million.
In the crypto world where liquidity never sleeps, Jeffy Yu may not be the last "martyr," just as Hulezhi may not be the last "E-Guardian." Meme coins have become vessels of spiritual symbolism, in a sense serving as negatives capturing the memory of the market.
But regardless, let us hope for fewer tokens exploiting such tragedies for hype, and more real initiatives addressing mental health within the industry. Only when the last person forgets a meme will its true value finally be tested.
Recommended viewing: Interview video of Jeffy Yu before his passing, conducted by OD Labs:
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