Towards a singular payment protocol

As described in A look at cryptocurrency URIs there have been many efforts in the last decade of cryptocurrency development to create easier ways to facilitate payments using coin-specific URIs and payment protocols. The first widely used design was BIP-21 for Bitcoin, which formed the basis for other efforts for Ethereum, Bitcoin Cash, etc. The …

A look at cryptocurrency URIs

What cryptocurrency URIs exist, which are actually being used, and what is proposed for the future? URIs such as bitcoin: are being used in QR codes and NFC tags to enable simpler payments between users, and particularly at retail locations. If bitcoin and other cryptocurrencies want widespread acceptance, then they need to be usable for …