{"schema_version":1,"source":"Yieldo","canonical_url":"https://yieldo.me/security#security-cases","name":"Yieldo Verified Crypto Incident Case Studies","unit":"USD","updated_at":"2026-10-20","count":2,"filters":{"year":"2022"},"cases":[{"id":"yieldo:security:binance-bridge-2022","slug":"binance-bridge-2022","name":"BSC Token Hub","url":"https://yieldo.me/security/binance-bridge-2022","occurred_on":"2022-10-06","amount_usd":566000000,"amount_is_approximate":true,"valuation_basis":"Nansen’s historical estimate of approximately $566 million for 2,000,000 BNB issued without backing.","chains":["BNB Smart Chain","BNB Beacon Chain"],"target":"DeFi protocol","mechanism":"Protocol logic flaw","aliases":["Binance Bridge","BNB Chain bridge hack"],"outcome":"Validators halted BNB Smart Chain to limit further transfers. Subsequently, 1.02 million of the newly issued BNB were locked and burned.","outcomes":[{"type":"locked_and_burned","asset":"BNB","amount":1020000,"as_of":"2023-01-17","source_id":"bnb-burn"}],"sources":[{"title":"BNB Chain Ecosystem Update","url":"https://www.bnbchain.org/en/blog/bnb-chain-ecosystem-update"},{"title":"BNB Chain’s Cross-Chain Bridge Exploit Explained","url":"https://nansen.ai/post/bnb-chains-cross-chain-bridge-exploit-explained"},{"title":"22nd BNB Burn","url":"https://www.bnbchain.org/en/blog/22nd-bnb-burn"}],"verified_on":"2026-10-20"},{"id":"yieldo:security:portal-2022","slug":"portal-2022","name":"Wormhole / Portal","url":"https://yieldo.me/security/portal-2022","occurred_on":"2022-02-02","amount_usd":326000000,"amount_is_approximate":true,"valuation_basis":"SharkTeam’s historical estimate was approximately $326 million for 120,000 unbacked wrapped ETH. Chainalysis valued the amount at over $320 million.","chains":["Solana","Ethereum"],"target":"DeFi protocol","mechanism":"Input validation","aliases":["Wormhole","Portal","Wormhole token bridge"],"outcome":"Jump replenished the bridge’s ETH backing, restoring collateral for the issued tokens. The stolen assets were tracked separately.","outcomes":[{"type":"reserve_replenishment","asset":"ETH","amount":120000,"as_of":"2022-02-03","source_id":"wormhole-chainalysis"}],"sources":[{"title":"Lessons from the Wormhole Exploit","url":"https://www.chainalysis.com/blog/wormhole-hack-february-2022/"},{"title":"Wormhole attack technical analysis","url":"https://www.sharkteam.org/report/analysis/20220203001A_en.pdf"},{"title":"Wormhole Launches New Algorand Portal","url":"https://www.prnewswire.com/news-releases/wormhole-launches-new-algorand-portal-301549108.html"}],"verified_on":"2026-10-20"}]}