Bob McElrath (@BobMcElrath) — Twitter Score 126 out of 1000

Bob McElrath is a theoretical physicist and Bitcoin developer who has worked across research, institutional custody, and decentralized mining infrastructure. Bob McElrath's Twitter Score is 126 out of 1000 (an Excellent rating) as of September 2026, ranking #5,047 (top 5%) among 486,860 tracked accounts.

Bob McElrath holds a Ph. D. in Theoretical Physics and previously worked at CERN, where he authored over 30 papers on particle physics. He began working on Bitcoin in 2011 and has since applied that technical depth to blockchain infrastructure and applied cryptography. He previously served as CTO at SolideX, the first company to file with the SEC for a spot Bitcoin ETF, and subsequently worked as Lead Wallet Architect at Fidelity Digital Assets, where he was also a member of the FCAT research lab. He has additionally performed software development for Custodia Bank.

Bob McElrath currently works as an independent blockchain consultant and serves as an Applied Cryptography Advisor to Auditchain Labs AG. He is affiliated with Braidpool, a decentralized mining pool project he is developing under a grant from Spiral. He also serves as an editor at Ledger Journal and is an organizer of BitDevsNYC. Bob McElrath has been active on Twitter since 2014 and has published 25,315 posts. He has been mentioned by 154 accounts, with 436 total mentions.

Who follows Bob McElrath on X?

The accounts that follow Bob McElrath include 529 founders, 87 angel investors, 180 influencers and 8 VCs. Among his notable followers are Erik Voorhees, Toly, Chris Burniske, Fred Ehrsam, Nic Carter and CoinDesk.