Mark Jeffrey is a crypto author and fund partner who has written Bitcoin-focused books and co-hosts the Hash Rate podcast. Mark Jeffrey's Twitter Score is 182 out of 1000 (an Excellent rating) as of July 2026, ranking #3,174 (top 1%) among 389,587 tracked accounts.
Mark Jeffrey is a partner at Stillcore Capital, a U.S. fund exclusively dedicated to Bittensor, acquiring and staking TAO tokens and backing AI startups. Stillcore Capital operates as an open-end, evergreen, 506(c) hedge fund and is not registered as an investment adviser. Mark Jeffrey is also affiliated with the Hash Rate podcast, where he covers crypto and Bitcoin topics for his audience.
Mark Jeffrey has authored Bitcoin-focused books including Bitcoin Explained Simply and The Case for Bitcoin, establishing a track record as a writer and communicator in the Bitcoin space. Mark Jeffrey's account has 72,332 followers as of July 2026 and 95,064 posts, and has been mentioned by 179 accounts a total of 351 times.
Who follows Mark Jeffrey on X?
The accounts that follow Mark Jeffrey include 467 founders, 115 angel investors, 360 influencers and 19 VCs. Among them are Erik Voorhees, Chris Dixon, Laura Shin, Marc Andreessen, Stani and Anthony Pompliano.