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 120 out of 1000 (an Excellent rating) as of August 2026, ranking #5,484 (top 5%) among 483,944 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 29,446 followers as of August 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 453 founders, 189 angel investors, 185 influencers and 9 VCs, among them vitalik.eth, Laura Shin, Stani, Fred Ehrsam, Linda Xie and Foobar.