Sismo is a crypto-native identity and reputation protocol that enabled users to aggregate their digital identities and selectively disclose personal data through zero-knowledge proofs, until its founder announced the protocol had ceased operations and planned to return 51% of funding to investors. Sismo's Twitter Score is 114 out of 1000 (an Excellent rating) as of July 2026, ranking #7,206 (top 5%) among 389,587 tracked accounts.
Sismo was founded by Hadrien Charlanes and Nathan Sexer. The protocol built Sismo Connect, a crypto-native single sign-on system using zero-knowledge proofs, and issued ZK Badges for reputation aggregation and privacy-preserving access control. The project raised $10M in total funding, backed by Delphi Digital, Fabric Ventures, IDEO CoLab Ventures, and Framework Ventures, with former backing from Runa Capital and Shift Capital.
Sismo has accumulated 29,630 followers as of July 2026 and published 216 posts on the platform. The account has been mentioned by 125 accounts, with 260 total mentions.
Who follows Sismo on X?
The accounts that follow Sismo include 392 founders, 168 angel investors, 217 influencers and 13 VCs, among them Laura Shin, vitalik.eth, Stani, Fred Ehrsam, Gmoney and Linda Xie.