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 August 2026, ranking #2,710 (top 1%) among 483,944 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 72,987 followers as of August 2026 and 96,328 posts, and has been mentioned by 208 accounts a total of 407 times.
Who follows Mark Jeffrey on X?
The accounts that follow Mark Jeffrey include 616 founders, 151 angel investors, 325 influencers and 15 VCs. Among them are Erik Voorhees, Chris Dixon, Marc Andreessen, Laura Shin, Stani and Anthony Pompliano.