Schnorr Signatures
summary
Compares ECDSA’s costly field division to Schnorr’s use of a hash (per BIP340) and claims much faster CPU verification; shows signing moves from committing an x-coordinate to committing a full EC point so you can do batch verification, signature aggregation, and pubkey aggregation (n-of-n multisig appears as a single key on-chain via Taproot). Describes MuSig/MuSig2 style nonce and commitment steps to mitigate the rogue key attack.
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