Tim Ruffing

Co-authored BIP-340, the Schnorr signature standard behind Bitcoin's Taproot upgrade

2 entries

Event March 8, 2019 Added September 8, 2026 Updated September 8, 2026 BIP (Bitcoin Improvement Proposal)

BIP 324 — Version 2 P2P Encrypted Transport Protocol

Dhruv Mehta ↔ Tim Ruffing, Jonas Schnelli, Pieter Wuille

Defines the v2 P2P transport: unauthenticated opportunistic ChaCha20Poly1305 encryption over ElligatorSwift-encoded ECDH key exchange, producing a pseudorandom bytestream with v1 fallback.

Event January 19, 2020 Added March 8, 2026 Updated May 9, 2026 BIP (Bitcoin Improvement Proposal)

BIP 340 — Schnorr Signatures for secp256k1

Pieter Wuille ↔ Jonas Nick, Tim Ruffing

Schnorr signatures replacing ECDSA for Taproot. Provably secure, non-malleable, with efficient multi-signature aggregation — complex scripts become on-chain indistinguishable from simple payments.