Youbit halted trading and filed for bankruptcy
Youbit stopped trading and entered bankruptcy proceedings after disclosing a second 2017 hack that reduced customer balances.
Status effect: deadConfidence: mediumDirect event-linked evidence: 2
Reviewed event layer
Exchange incidents
Browse reviewed exchange incidents and lifecycle disruptions linked back to entity dossiers and supporting evidence.
Page 21 of 23 · showing 501–525 of 563
Timeline events563
Affected exchanges328
Critical events311
Event-linked sources949
Leading recorded types
Incident mix
2017
9 events on this pageShutdown effectivecritical
CoinGather abruptly went offline
CoinGather went offline in late November 2017 after withdrawal complaints and later became the subject of FBI / DOJ seizure and forfeiture activity involving cryptocurrency wallets accessible through the exchange.
Status effect: deadConfidence: highDirect event-linked evidence: 4
Regulatory actioncritical
CHBTC ceased China-market trading activity
Profile sources describe CHBTC as ceasing trading activity on 2017-09-30 due to Chinese regulatory compliance / pressure.
Status effect: limitedConfidence: mediumDirect event-linked evidence: 3
Yunbi announced closure of trading operations
Yunbi said it would close trading during the 2017 China crackdown on exchanges.
Status effect: deadConfidence: mediumDirect event-linked evidence: 2
Regulatory actioncritical
FinCEN penalties and U.S. enforcement action
FinCEN assessed penalties against BTC-e on July 26, 2017 as U.S. enforcement action escalated.
Status effect: deadConfidence: highDirect event-linked evidence: 3
BTC-e service went offline during law-enforcement action
BTC-e went offline around the July 2017 law-enforcement action. Public reference material and reporting describe the 2017 outage/seizure period as the end of the original BTC-e service.
Status effect: deadConfidence: mediumDirect event-linked evidence: 1
Hackhigh
Yapizon hack before rebrand
The exchange, then known as Yapizon, suffered a hack in 2017 before later rebranding to Youbit.
Status effect: limitedConfidence: mediumDirect event-linked evidence: 1
BitNZ withdrawal deadline after closure announcement
BitNZ announced it would close due to New Zealand banking problems and asked customers to withdraw funds by 2017-04-15.
Status effect: deadConfidence: mediumDirect event-linked evidence: 2
Trading haltedmedium
Coinffeine active development / operations appear to have ceased
Later profile references describe Coinffeine as having ceased active development and operations around 2016-2017.
Status effect: limitedConfidence: lowDirect event-linked evidence: 1
2016
7 events on this pageBitcurex went offline after reported external interference
Bitcurex reported asset losses and went offline in October 2016.
Status effect: deadConfidence: mediumDirect event-linked evidence: 2
Hackhigh
Bitfinex suffered major bitcoin theft
Bitfinex suffered a major security breach in August 2016. Public reporting and DOJ materials describe roughly 119,754 bitcoin stolen from the exchange.
Status effect: activeConfidence: highDirect event-linked evidence: 3
Regulatory actionmedium
CFTC ordered Bitfinex to pay civil monetary penalty
The U.S. CFTC ordered Bitfinex to pay a $75,000 civil monetary penalty over financed retail commodity transactions and registration-related findings.
Status effect: activeConfidence: highDirect event-linked evidence: 2
CCEDK announced trading-engine transition
Public reporting stated that CCEDK's current trading engine would cease in May 2016 while withdrawals remained available through June and the operation prepared to relaunch in a new OpenLedger-centered form.
Status effect: limitedConfidence: highDirect event-linked evidence: 0
Withdrawals suspendedcritical
Igot customers reported unpaid withdrawals and collapse risk
ABC reported that Igot appeared on the verge of collapse, with customers owed funds, months-long withdrawal failures, and the owner acknowledging difficulty paying customers back.
Status effect: limitedConfidence: mediumDirect event-linked evidence: 3
Cointrader closed after alleged hack
Cointrader said it had closed its doors effective immediately after a debilitating hack.
Status effect: deadConfidence: mediumDirect event-linked evidence: 2
Insolvencycritical
Insolvency crisis became definitive
Cryptsy reached its terminal operating state on the date used by HEI as the end marker.
Status effect: deadConfidence: mediumDirect event-linked evidence: 1
2015
9 events on this pageShutdown effectivecritical
Yacuna reached its terminal closure date
Yacuna's closure notice gave 2015-11-15 as the deadline for customers to withdraw remaining funds before the exchange closed.
Status effect: deadConfidence: highDirect event-linked evidence: 3
Yacuna announced planned closure
Yacuna announced via customer email that it would close the exchange and asked customers to withdraw any remaining funds before 2015-11-15.
Status effect: limitedConfidence: highDirect event-linked evidence: 0
Harborly announced shutdown
Harborly said it was closing to focus on a separate project and that the closure was not caused by a hack, fraud, or security incident.
Status effect: deadConfidence: mediumDirect event-linked evidence: 3
Regulatory actioncritical
Coin.mx operators were arrested and charged
U.S. authorities charged Coin.mx operators with running an unlawful bitcoin exchange and money-laundering scheme.
Status effect: deadConfidence: highDirect event-linked evidence: 2
Shutdown effectivecritical
Comkort reached its terminal closure date
Comkort's published closure notice set 2015-07-19 as the final date for users to withdraw funds before servers were scheduled to be turned off the following day.
Status effect: deadConfidence: highDirect event-linked evidence: 2
Comkort announced its planned closure
Comkort announced that the exchange would cease to exist on 2015-07-19, citing lack of return during the prior year and asking customers to withdraw funds before the closure.
Status effect: limitedConfidence: highDirect event-linked evidence: 0
Shutdown effectivecritical
SwissCEX was reported closed
Public forum discussion reported that the SwissCEX site had closed while users were receiving private keys for coins held on the exchange.
Status effect: deadConfidence: mediumDirect event-linked evidence: 2
SwissCEX closure process was publicly discussed
The SwissCEX operator referenced an exchange-closure document and said users would receive private keys for settled accounts as part of the closure process.
Status effect: limitedConfidence: mediumDirect event-linked evidence: 0
BTC Trade UA founder announced plans to close the exchange
The exchange's founder announced plans to close BTC Trade UA after repeated attacks and operational pressure; the service later returned and is currently active.
Status effect: limitedConfidence: highDirect event-linked evidence: 2