Verify a decision

{"actor":"system:backfill","investigation_id":"2dc6959a-e53b-4f19-ac78-508dc46db197","kind":"publish","page_slug":"beanstalk-farms","published_at":"2026-05-30T18:24:57.997Z","sequence_num":1,"snapshot":{"content_type":"investigation","entity_name":"Beanstalk Farms","sections":[{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://medium.com/beanstalkfarms/introducing-beanstalk-557c45cb8d80","type":"other","url":""},{"credibility":3,"name":"https://bean.money/blog/how-beanstalk-tackles-the-stablecoin-trilemma","type":"other","url":""},{"credibility":3,"name":"https://www.techtarget.com/searchsecurity/news/252516215/cryptocurrency-theft-leaves-beanstalk-farms-future-in-doubt","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://www.coindesk.com/tech/2022/04/17/attacker-drains-182m-from-beanstalk-stablecoin-protocol","type":"other","url":""},{"credibility":3,"name":"https://cointelegraph.com/news/beanstalk-farms-loses-182m-in-defi-governance-exploit","type":"other","url":""},{"credibility":3,"name":"https://medium.com/immunefi/hack-analysis-beanstalk-governance-attack-april-2022-f42788fc821e","type":"other","url":""},{"credibility":3,"name":"https://www.certik.com/resources/blog/6HaLMGIL5sI2fpfEZc0nzS-revisiting-beanstalk-farms-exploit","type":"other","url":""},{"credibility":3,"name":"https://www.bleepingcomputer.com/news/security/beanstalk-defi-platform-loses-182-million-in-flash-loan-attack/","type":"other","url":""},{"credibility":3,"name":"https://www.bloomberg.com/news/articles/2022-04-18/defi-project-beanstalk-loses-182-million-in-flash-loan-attack","type":"other","url":""},{"credibility":3,"name":"https://www.elliptic.co/blog/76-million-stolen-from-beanstalk-farms-defi-stablecoin-protocol","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://bean.money/blog/omniscia-audit-of-beanstalk-completed","type":"other","url":""},{"credibility":3,"name":"https://bean.money/blog/halborn-audit-of-beanstalk-completed","type":"other","url":""},{"credibility":3,"name":"https://bean.money/blog/trail-of-bits-audit-of-beanstalk-completed","type":"other","url":""},{"credibility":3,"name":"https://omniscia.io/reports/beanstalk-core-protocol/","type":"other","url":""},{"credibility":3,"name":"https://github.com/BeanstalkFarms/Beanstalk-Audits","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://bean.money/blog/beanstalk-governance-exploit","type":"other","url":""},{"credibility":3,"name":"https://bean.money/blog/path-forward","type":"other","url":""},{"credibility":3,"name":"https://www.coindesk.com/business/2022/06/02/beanstalk-stablecoin-protocol-barn-raise-aims-to-restore-77m-in-lost-funds","type":"other","url":""},{"credibility":3,"name":"https://cointelegraph.com/news/once-hacked-for-77m-beanstalk-s-algo-stablecoin-protocol-relaunches","type":"other","url":""},{"credibility":3,"name":"https://decrypt.co/106882/beanstalk-celebrates-anniversary-with-safe-replant-and-unpause-months-after-182m-exploit","type":"other","url":""},{"credibility":3,"name":"https://www.theblock.co/post/161915/beanstalk-stablecoin-relaunches-four-months-after-182-million-exploit","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://blockworks.co/news/algo-stablecoin-protocol-beanstalk-relaunches-following-180m-hack","type":"other","url":""},{"credibility":3,"name":"https://blec.report/is-bean-a-stablecoin-contender/","type":"other","url":""},{"credibility":3,"name":"https://docs.bean.money/almanac/guides/balances/migrate-to-arbitrum","type":"other","url":""},{"credibility":3,"name":"https://github.com/BeanstalkFarms/Farmers-Almanac/blob/master/guides/balances/migrate-to-arbitrum.md","type":"other","url":""}]},{"content":"","heading":"","severity":"medium","sources":[{"credibility":3,"name":"https://medium.com/immunefi/hack-analysis-beanstalk-governance-attack-april-2022-f42788fc821e","type":"other","url":""},{"credibility":3,"name":"https://www.certik.com/resources/blog/6HaLMGIL5sI2fpfEZc0nzS-revisiting-beanstalk-farms-exploit","type":"other","url":""},{"credibility":3,"name":"https://www.merklescience.com/blog/hack-track-analysis-of-beanstalk-flash-loan-attack","type":"other","url":""},{"credibility":3,"name":"https://bean.money/blog/path-forward-faq","type":"other","url":""}]}],"sources_used":[],"summary":"Beanstalk Farms is an Ethereum-based algorithmic stablecoin protocol that issues the BEAN token using a credit-based, uncollateralized peg mechanism. On April 17, 2022, the protocol suffered one of the largest governance exploits in DeFi history when an attacker used a flash loan to seize supermajority voting power and drain approximately $182 million from the protocol's liquidity pools. The protocol relaunched in August 2022 following a community fundraise, subsequent security audits, and governance restructuring, and later migrated to Arbitrum via BIP-50.","timeline":[{"date":"2021-08-06","event":"Beanstalk protocol launched on Ethereum mainnet, issuing the BEAN algorithmic stablecoin.","source":""},{"date":"2021-12-03","event":"Beanstalk DAO approves BIP-5, committing to hire Omniscia for a formal smart contract audit.","source":""},{"date":"2022-04-02","event":"Omniscia completes its audit of Beanstalk's core smart contracts, finding no outstanding issues. The governance code later exploited was outside the audit scope.","source":""},{"date":"2022-04-17","event":"Beanstalk suffers a governance flash loan attack. The attacker flashloans over $1 billion from Aave and other sources, acquires supermajority Stalk governance power, passes a malicious proposal, and drains approximately $182 million from the protocol. Net attacker profit is approximately $76-80 million. BEAN collapses ~86% from peg. Stolen funds laundered through Tornado Cash.","source":""},{"date":"2022-04-17","event":"Beanstalk Farms founders (operating as 'Publius') reveal their identities as Benjamin Weintraub, Brendan Sanderson, and Michael Montoya at an emergency Discord town hall to demonstrate non-involvement.","source":""},{"date":"2022-04-23","event":"Beanstalk DAO approves hiring Halborn for a post-exploit security audit.","source":""},{"date":"2022-06-06","event":"The Barn Raise recapitalization fundraiser launches. Over $5.5 million in Fertilizer tokens sold in the first hour.","source":""},{"date":"2022-07-13","event":"Halborn completes its audit of Beanstalk, identifying 17 findings all resolved or acknowledged.","source":""},{"date":"2022-07-22","event":"Trail of Bits completes its audit of Beanstalk, identifying 13 findings all resolved or acknowledged.","source":""},{"date":"2022-08-04","event":"BIP-21 (Replant proposal) achieves supermajority approval. Barn Raise has attracted over $17 million USDC in credit commitments.","source":""},{"date":"2022-08-06","event":"Beanstalk relaunches via the Replant event on the protocol's one-year anniversary. On-chain governance is replaced with a community multi-sig wallet. Over 99% of Stalk holders backed the relaunch.","source":""},{"date":"2023-05-01","event":"BEAN stablecoin reported trading at approximately $0.91, exhibiting a persistent depeg despite algorithmic incentives designed to restore the peg.","source":""},{"date":"2024-01-01","event":"Beanstalk implements BIP-50, migrating the protocol from Ethereum mainnet to Arbitrum One to reduce transaction costs and improve throughput.","source":""}]},"v":1}