Penumbra is a fully private, proof-of-stake blockchain with an integrated decentralized exchange built for the Cosmos ecosystem, founded by Henry de Valence. Penumbra's Twitter Score is 123 out of 1000 (an Excellent rating) as of August 2026, ranking #5,221 (top 5%) among 483,652 tracked accounts.
Penumbra was previously affiliated with Penumbra Labs, which raised a $4.75M seed round led by Dragonfly Capital in November 2021. Penumbra Labs has since wound down operations, while the underlying protocol remains open-sourced. Penumbra is also affiliated with Radiant Commons and Starling Cybernetics, and operates within the broader Cosmos ecosystem with support for IBC interoperability.
Penumbra is backed by Dragonfly Capital, Interchain Foundation, Lemniscap, Robot Ventures, Volt Capital, Figment, Strangelove Ventures, Informal Systems, and ZKValidator. The protocol's native UM token is used for transaction fees and staking and governance economics. Penumbra has published 3,476 posts and has been mentioned by 146 accounts a total of 424 times.
Who follows Penumbra on X?
The accounts that follow Penumbra include 443 founders, 151 angel investors, 177 influencers and 8 VCs, among them Toly, Ansem, Chris Burniske, Mert, 6529 and Haseeb Qureshi.