BTCChina

Basics

Also known as BTCC
Chinese mining pool that used to control a significant fraction of Bitcoin's hash rate but closed down.
Bitcoin exchange, but now 4 trading pairs
BTCC is a Hong Kong based bitcoin exchange that was once the world's second largest by volume in October 2014. Founded in June 2011, it was China's first bitcoin exchange, and most of its customers are thought to be from the domestic market. In 2018, it is thought to now have almost 150 employees.
0.1 % fees on exchange
Wallet service
Runs SegWit; The company is one of the most outspoken proponents of Segregated Witness
Selects Ether Classic over Ethereum since nov 2016 (Has investment from DCG, which is owned by Barry Silbert, who funds Ethereum Classic's development)
Partnered with Rootstok
Was part of the Chinese miners that signed a statement that they want 8MB blocks. Signatories included the large mining companies F2pool, Antpool, Huobi, and BW.

Lee, Bobby; CEO (Was part of Hong Kong consensus) "Company CEO Bobby Lee approached the then two-person company in early 2013, and after investing his own money and attracting investors, oversaw the company's rapid expansion and marketshare growth by the end of the year."
Mow, Samson; former COO (Was part of Hong Kong consensus), left on 8-2-2017, with little explanation
Investment from Digital Currency Group
Blockchain Capital, investor
Partner with Cointelegraph
Attender of Satoshi Roundtable