Solidity crypto libraries, ring signatures, proof of knowledge, packed signatures etc. with matching Python implementations for secp256k1 and (alt)BN-256

Safest and fastest Python library for secp256k1 elliptic curve operations

btclib: a python3 library for 'bitcoin cryptography'

Schnorr related examples (Schnorr, BN, MuSig, discreet log contracts)

Schnorr Signatures and MuSig implementation in Python

Saratov State University, CSIT. Discipline "cryptographic protocols" (криптографические протоколы, rus)

Learners implementation of schnorr signatures.