FinchFinch helped design Penumbra’s core data structures, including its tiered commitment tree.3 talks by FinchEpisode 289 - Penumbra Catch Up with Finch, Erwan and JenPrivacy in Cosmos Live: Finch (Penumbra)- Full-Stack Private Protocol Design.ZK8: Tiered Merkle Topiary in Rust – finch – Penumbra Labs