2022

Core Scientific, one of the largest bitcoin mining companies, filed for Chapter 11 bankruptcy on December 21, 2022, citing liquidity crisis and debt pressures amid depressed bitcoin prices and unfavorable mining economics.

FTX's bankruptcy filing November 8 triggered panic withdrawals from DeFi protocols, draining approximately $4 billion in TVL within 72 hours and revealing liquidity shortfalls under extreme redemption pressure.

Avi Eisenberg exploited Mango Markets for $114 million by manipulating token prices and liquidating positions, later negotiating partial fund return.

Hackers compromise Curve's nameserver and redirect users to a cloned site, stealing $575K in approvals before the team regains control and directs users to curve.finance.

Aave's governance voted 99% in favor of GHO, a collateral-backed stablecoin designed to generate revenue for the protocol and reduce reliance on external stablecoin issuers.

Three Arrows Capital defaulted on loans across major DeFi platforms after losing billions in Terra vault exposure, triggering cascading defaults across the crypto lending ecosystem.

Celsius Network froze all user withdrawals, trapping billions in customer deposits in vaults and lending positions after Three Arrows Capital defaulted on loans.

Terra's UST stablecoin lost its dollar peg when Luna's price collapsed, wiping out $40 billion in user deposits and triggering widespread liquidations across DeFi.

Beanstalk Farms lost $182 million when attackers used flash loans to acquire governance voting power and drain protocol vaults through a malicious proposal.

Ronin Bridge suffered a $625 million theft when attackers compromised validator nodes, draining cryptocurrency vaults supporting the Axie Infinity gaming ecosystem.

Intel unveiled its Blockscale bitcoin mining ASIC chip through a technical presentation at ISSCC in February 2022, marking the semiconductor giant's official entry into the specialized mining hardware market with focus on energy efficiency.

Wormhole bridge lost $320 million when attackers exploited a signature verification vulnerability, draining wrapped token vaults supporting Solana's cross-chain assets.

Bitcoin mining difficulty surged to an all-time high of 26.64 trillion on January 21, 2022, as Chinese miners who relocated following China's ban resumed operations across North America and other regions.