Reviewed event layer
Browse reviewed exchange incidents and lifecycle disruptions linked back to entity dossiers and supporting evidence.
Page 10 of 20 · showing 226–250 of 485
Leading recorded types
After unauthorized activity affected FTX, Solana ecosystem developers concluded that Serum's FTX-controlled upgrade authority could no longer be trusted. Developers copied Serum v3 into a newly deployed, multisig-controlled program that became OpenBook, while major integrations moved away from the original Serum program.
FTX and affiliated debtors filed for Chapter 11 bankruptcy protection on November 11, 2022.
Coinsquare Capital Markets Ltd. was admitted to IIROC membership and registered as an investment dealer, establishing a regulated Canadian operating framework for the platform.
Cryptowisser reported on 2022-10-08 that ACDX Exchange reached only a landing page, that other pages could not be accessed, and that users reported inability to access funds. Cryptowisser moved ACDX to its Exchange Graveyard, while other trackers show the exchange as inactive or untracked.
Public exchange-status sources marked Hoo Exchange as a scam and moved it to graveyard handling on 2022-08-17.
Public exchange-status coverage stated that numerous independent sources reported that Hoo Exchange was not processing withdrawals and that accounts were being blocked without explanation.
Media reports and blockchain-security monitoring described a suspected ZB.com hot-wallet exploit involving roughly USD 4.8-5 million in token outflows shortly after withdrawals were suspended.
ZB.com announced that deposit and withdrawal services were suspended, citing temporary maintenance / core-application failure; market trackers continued to display this suspension notice.
AEX announced that all platform-related services would be suspended from 2022-07-17 while it cooperated with a Guangxi police investigation.
AEX reportedly closed the withdrawal function because short-term liquidity problems had not been resolved and the platform could not meet withdrawal demand in the short term.
Crema Finance was reported to have suffered a smart-contract / flash-loan-related exploit in July 2022, with public reporting describing roughly $9 million affected.
CoinFLEX suspended customer withdrawals during a liquidity dispute involving a large counterparty later identified by CoinFLEX leadership as Roger Ver.
The Monetary Authority of Singapore granted Hako Technology Pte. Ltd., trading as Coinhako, a Major Payment Institution licence covering digital-payment-token services.
The U.S. Treasury sanctioned Garantex as part of an action against Russia-based Hydra Market and a ransomware-enabling virtual currency exchange.
The AutoShark team announced that it would stop all development, disable further minting where applicable, and redistribute or leave remaining protocol assets for community withdrawal.
Exchange-tracking services record Bithumb Singapore as having terminated operations during March 2022, after which no active trading pairs or volume remained.
The U.S. Attorney's Office for the Southern District of New York announced that Arthur Hayes and Benjamin Delo pleaded guilty to violating the Bank Secrecy Act by willfully failing to establish, implement, and maintain an AML program at BitMEX.
Binance.sg shut down by 2022-02-13 after the operator withdrew its licensing effort.
Public exchange-status sources marked CoinBene dead on 2022-02-01 after the site became inaccessible and no continuity notice was found.
Bitbns later acknowledged that exchange funds had been compromised in a February 2022 security incident.
Public exchange-status coverage stated that CoinBene's website could not be reached on 2022-02-01 and that there had been no preceding messages about maintenance, migration, or any replacement site.
Exchange trackers and company-profile sources later marked Allcoin inactive, closed, or untracked, with zero coins / trading pairs and no reliable market activity.
AscendEX identified unauthorized transfers from hot-wallet infrastructure across several networks on December 11, 2021 and temporarily suspended deposits and withdrawals while rebuilding affected infrastructure.
Users lost login and withdrawal access, while AOFEX said technical and wallet personnel were assisting a police investigation and no staff were available to restore the servers.
BitMart identified a large-scale security breach involving an Ethereum hot wallet and a BNB Smart Chain hot wallet and temporarily restricted withdrawals during its response.