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Bithumb is a South Korean cryptocurrency exchange.
In June 2017 hackers stole user information from a Bithumb employee's personal computer.
In June 2018 about $32 million of cryptocurrency was stolen from Bithumb in a hack.
In October 2018 BK Global Consortium signed a deal to buy a majority share of BTC Holding Co. which is Bithumb's largest investor.
In January 2019 30 out of 340 total Bithumb employees were laid off in response to declining trading volume and profits in 2018.
On January 22, 2019, OTC-listed holding company Blockchain Industries signed a binding letter of intent to merge with Bithumb on or before March 1, 2019. The plan is to form a new publicly traded entity called the Blockchain Exchange Alliance (BXA) that would ‘up-list’ on either the New York Stock Exchange or NASDAQ and make BXA the first major cryptocurrency exchange to go public.
On March 29, 2019, Bithumb said that it was hacked. It pointed its fingers at insiders. Experts said that EOS wallet of Bithumb was hacked so that 3 million EOS tokens worth some $12.5 million were spirited away. 
On April 11, 2019, Bithumb announced a net loss of KRW205.5 billion (US$180 million) in 2018, a sharp turnaround from the KRW427.2 billion profit in 2017, despite 2018's sales rising 17.5% to KRW391.7 million. The company blamed the loss on the sharp decline in the price of cryptocurrencies and reduced trading volume.
- "One of the Biggest Ethereum and Bitcoin Exchanges Got Hacked". Fortune. July 5, 2017.
- "Authorities raid South Korea's largest cryptocurrency exchanges". CNBC. January 10, 2018.
- "Korea's No. 2 digital coin exchange Bithumb slapped with W30b taxes". The Investor. January 10, 2018.
- "Korea's major crypto exchange Bithumb hacked; coins worth $32 million stolen". The Korean Times. June 20, 2018.
- "Plastic Surgeon Buys $352 Million Stake in South Korea Crypto Exchange". Bloomberg. October 11, 2018.
- "Korea's Bithumb sheds employees by 10% as it takes digital money business overseas". Pulse by Maeil Business News Korea. January 17, 2019.
- Rooney, Kate (22 January 2019). "One of the world's largest crypto exchanges looks to go public in U.S. in reverse merger". www.cnbc.com. Retrieved 23 January 2019.
- ″Crypto exchange Bithumb hacked″, The Korea News Plus, 2019-03-30
- Bo-uen, Kim (11 April 2019). "Bithumb suffers W205 bil. net loss on falling bitcoin". koreatimes. Retrieved 11 April 2019.
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