Mark Lamb is a crypto entrepreneur who previously led both CoinFLEX and Coinfloor as CEO, with involvement in Bitcoin dating to 2012. Mark Lamb's Twitter Score is 86 out of 1000 (a Good rating) as of August 2026, ranking #8,941 (top 5%) among 483,652 tracked accounts.
Mark Lamb formerly served as CEO of Coinfloor, one of the earlier Bitcoin exchanges, and later as CEO of CoinFLEX, a crypto derivatives platform. CoinFLEX suspended withdrawals in June 2022 and subsequently sought to raise $47 million through a tokenized debt product called rvUSD. The exchange alleged that Roger Ver owed it approximately $47 million USDC, a claim Ver publicly denied. CoinFLEX filed for bankruptcy in the Seychelles later that year.
Mark Lamb was also formerly affiliated with Open Exchange (OPNX), a crypto exchange designed to trade bankruptcy claims, where he was involved in fundraising alongside Su Zhu and Kyle Davies. Mark Lamb has posted 4,540 times on the platform and has been mentioned by 62 accounts, with 222 total mentions.
Who follows Mark Lamb on X?
The accounts that follow Mark Lamb include 281 founders, 70 angel investors, 119 influencers and 10 VCs, among them Erik Voorhees, Anthony Pompliano, Zhu Su, CL, Qw and Frank Chaparro.