FrostyCashuWallet: Cashu wallet demo that requires multiple signatures (FROST)

This article introduces FrostyCashuWallet, a demonstration of a Cashu ecash wallet implementing Flexible Round-Optimized Schnorr Threshold (FROST) signatures for enhanced multi-signature capabilities. It showcases a practical application of advanced cryptographic protocols to improve security and privacy for Bitcoin layer solutions. The demo focuses on secure collaborative custody within the Cashu ecosystem.