Stefan Thomas (@justmoon) — Twitter Score 72 out of 1000

Stefan Thomas is an open-source payments developer who co-founded the Interledger Protocol and founded Coil, a web monetization company that sunset its products and discontinued its membership service in March 2023. Stefan Thomas's Twitter Score is 72 out of 1000 (a Good rating) as of September 2026, ranking #11,285 (top 5%) among 486,621 tracked accounts.

Stefan Thomas founded Coil in 2018, with Ripple serving as a lead investor alongside Thomas. In August 2019, Coil received a grant of 1 billion XRP from Ripple's Xpring initiative to support adoption of XRP, the Interledger Protocol, and Web Monetization. After Coil wound down its development efforts in 2023, Stefan Thomas continued his work at the Interledger Foundation, where he serves as Chairperson, and also works at Dassie. He previously served as CTO at Ripple.

Stefan Thomas is also recognized as an early Bitcoin contributor who created BitcoinJS, the first implementation of Bitcoin cryptography in a browser. He drew wider public attention when WIRED reported in October 2023 that he had lost the password to an IronKey hardware drive containing the private keys for 7,002 bitcoins, and that a recovery team believed it could unlock that model of drive but had not yet recovered the funds. Stefan Thomas's account has 54,682 followers as of September 2026 and 754 posts, and has been mentioned by 126 accounts a total of 1,154 times.

Who follows Stefan Thomas on X?

Stefan Thomas draws a technically oriented audience across the crypto and open-source space. The accounts that follow Stefan Thomas include 306 founders, 70 angel investors, 97 influencers and 7 VCs, among them Brian Armstrong, Erik Voorhees, Nic Carter, CoinDesk, Joseph Lubin and Udi Wertheimer.