Cashu Nutshell v0.14.0: P2PK, DLEQ Proofs, Mint & Wallet Improvements

"Nutshell v0.14.0 brings many new features and improvements. These include a completely redesigned approach to use ecash spending conditions (programmable ecash) and the ability to transact offline (using offline signature validation)."

https://www.nobsbitcoin.com/cashu-nutshell-v0-14-0/