A Python Threshold Signature demo, refers to the TS whitepaper of nChain.
Bitcoin SV (BSV) Python Library
Bitcoin ECIES encryption GoLang implementation, compatible with Electrum/Electron Cash/ElectrumSV
WORK-IN-PROGRESS: observe forks on all Bitcoin networks (mainnet, testnet, and [custom] signets)
Mastering-Python-Design-Patterns-Second-Edition, published by Packt