Bitcoin Core's ChaCha20 Speedup: Why 3x Faster Encryption Matters for P2P Security
Bitcoin Core PR #34083 introduces vectorized ChaCha20 implementation achieving 2-3x performance gains. This deep-dive explains why ChaCha20 is critical for BIP324 encrypted transport, how SIMD vectorization works, and what this means for node operators running encrypted P2P connections.
·4 min read