Coincheck

2012-01-01

Coincheck founded in Tokyo, Japan by Koichiro Wada and Yusuke Otsuka.

2017-04-01

Japan's Payment Services Act takes effect, requiring cryptocurrency exchanges to register with the FSA. Coincheck files an application but is permitted to continue operating while the application is pending.

2018-01-25

Attackers allegedly gain initial access to Coincheck's systems at approximately 17:57 UTC, believed to be via phishing emails that installed Mokes and Netwire malware on employee computers.

2018-01-26

At approximately 3:00 a.m. JST, 523 million NEM (XEM) tokens valued at approximately $534 million are transferred from Coincheck's hot wallet to attacker-controlled addresses. Coincheck detects the breach and halts NEM withdrawals.

2018-01-27

Coincheck publicly confirms the security breach and announces it will compensate affected users. The exchange suspends most trading and withdrawals.

2018-01-29

Japan's FSA issues its first business improvement order to Coincheck, directing the exchange to strengthen risk management and customer protection systems.

2018-02-02

FSA inspectors conduct an on-site raid of Coincheck's offices — described as the first such regulatory action against a Japanese cryptocurrency exchange.

2018-03-07

FSA issues a second business improvement order to Coincheck; separately issues suspension orders to two other Japanese exchanges and improvement orders to five more, reflecting industry-wide regulatory tightening.

2018-03-09

Coincheck begins compensating approximately 260,000 affected NEM holders, paying out approximately $411 million in total.

2018-03-22

The stolen NEM tokens are reportedly fully sold off by the attackers.

2018-04-06

Monex Group announces acquisition of 100% of Coincheck shares for approximately $33.5 million. The exchange becomes a wholly owned subsidiary.

2019-01-11

Japan's FSA approves Coincheck's registration as a licensed virtual currency exchange operator under the Payment Services Act, administered by the Kanto Financial Bureau.

2019-06-01

Asahi Shimbun reports that malware found on Coincheck employee computers — Mokes and Netwire — has known links to Russian threat actors, shifting earlier suspicion away from North Korea.

2024-12-05

Shareholders of Thunder Bridge Capital Partners IV approve the business combination with Coincheck Group N.V.

2024-12-11

Coincheck Group N.V. begins trading on the Nasdaq Global Market under tickers CNCK and CNCKW, becoming the first Japanese cryptocurrency exchange listed on a U.S. exchange. Market capitalization at listing was approximately $1.7 billion.