Emin Gün Sirer🔺⚔️ (@el33th4xor) — Twitter Score 652 out of 1000

Emin Gn Sirer is a computer scientist and entrepreneur who co-founded Ava Labs and works there as CEO. He previously worked at Cornell University as Associate Professor of Computer Science and was formerly co-director of the Initiative for CryptoCurrencies and Contracts (IC3). Emin Gn Sirer's Twitter Score is 652 out of 1000 (an Excellent rating) as of July 2026, ranking #147 (top 0.1%) out of 389,587 accounts tracked on this platform. He has been active since 2011, with 298,226 followers as of July 2026 and 37,528 posts.

Emin Gn Sirer co-created KARMA in 2003, described as the first peer-to-peer currency with a distributed mint using proof-of-work consensus, predating Bitcoin by approximately six years. He co-authored "Majority is not Enough: Bitcoin Mining is Vulnerable" with Ittay Eyal, formally describing the selfish mining attack, which can be profitable for an attacker controlling as little as 33% of total Bitcoin hash power. In June 2016, he co-published "A Call for a Temporary Moratorium on The DAO" with IC3 colleagues, identifying nine critical security vulnerabilities in The DAO's smart contract code prior to the $60 million exploit.

Emin Gn Sirer developed the Avalanche consensus protocol at Cornell University with PhD candidates Kevin Sekniqi and Maofan 'Ted' Yin, and all three went on to co-found Ava Labs to commercialize the technology. Ava Labs raised a $6 million Series A in 2019 from investors including Andreessen Horowitz, Polychain Capital, and Initialized Capital, along with angels Balaji Srinivasan and Naval Ravikant. In April 2022, Ava Labs was reported to be raising $350 million at a $5.25 billion valuation.

Emin Gn Sirer also co-founded bloXroute Labs, where he previously worked as Chief Scientist. He is a member of the U.S. Commodity Futures Trading Commission (CFTC) Technology Advisory Committee, appointed in March 2023, and testified as an expert witness before the U.S. House Committee on Financial Services on June 13, 2023, on blockchain technology and digital asset regulation. In August 2022, the "Crypto Leaks" whistleblower site alleged, without resulting in legal charges, that he and Ava Labs had a secret arrangement with lawyer Kyle Roche to file class-action lawsuits against crypto competitors; he publicly denied the allegations. On May 3, 2023, he won a $3 million defamation judgment in Sirer v. Aksoy against Turkish crypto influencer Emre Aksoy, who falsely accused him in a February 2021 YouTube video of being a member of the FETO terrorist organization; the award comprised $750,000 in general damages, $300,000 in special damages for increased security costs, and $2 million in punitive damages.

Emin Gn Sirer has been mentioned by 1,172 accounts a total of 3,964 times.

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Emin Gn Sirer draws a broad range of notable followers from across the crypto and technology sectors. The accounts that follow Emin Gn Sirer include 2,319 founders, 535 angel investors, 1,104 influencers and 122 VCs, among them Balaji, Chris Dixon, Solana, vitalik.eth, Erik Voorhees and Laura Shin.