Ethan Buchman is a protocol co-founder and CEO who co-founded Cosmos and Tendermint, and has since transitioned full-time to leading Cycles. Ethan Buchman's Twitter Score is 335 out of 1000 (an Excellent rating) as of July 2026, ranking #907 (top 0.5%) among 389,587 tracked accounts.
Ethan Buchman also co-founded Tendermint alongside Cosmos, two foundational projects in the interchain ecosystem. He previously served on the Foundation Council of the Interchain Foundation, formally resigning from that role in February 2025. He remains CEO at Informal Systems, which he also co-founded.
Ethan Buchman has shifted his primary focus to Cycles, which has raised a total of $8.7M, including a $6.4M round led by Blockchange Ventures. Cycles is building on Arc, the layer 1 blockchain by Circle. Ethan Buchman's account has published 13,291 posts and has 35,745 followers as of July 2026.
Ethan Buchman's portfolio includes Confetti and Hyperweb. Ethan Buchman has been mentioned by 336 accounts, with 1,015 total mentions.
Who follows Ethan Buchman on X?
The accounts that follow Ethan Buchman include 1,108 founders, 315 angel investors, 420 influencers and 31 VCs. Among them are vitalik.eth, Erik Voorhees, Laura Shin, jesse.base.eth, Toly and Ansem.