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 346 out of 1000 (an Excellent rating) as of August 2026, ranking #799 (top 0.5%) among 483,652 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 13,346 posts and has 35,323 followers as of August 2026.
Ethan Buchman's portfolio includes Confetti and Hyperweb. Ethan Buchman has been mentioned by 339 accounts, with 1,020 total mentions.
Who follows Ethan Buchman on X?
The accounts that follow Ethan Buchman include 1,263 founders, 359 angel investors, 312 influencers and 25 VCs. Among them are vitalik.eth, Erik Voorhees, jesse.base.eth, Toly, Ansem and Laura Shin.