In this episode, the hosts discuss blinded signatures and the Cashu protocol. They explain the process of generating blinding factors, signing data, and verifying signatures. They also explore potential use cases for blinded signatures, such as support tokens and API authentication.The episode discusses the use of blinded tokens in API usage and the potential for a marketplace where users can trade unused tokens. The concept of proof of liabilities is also explored.https://github.com/cashubtc/nutshttps://github.com/EthnTuttle/blinded-sig