"The wonderful thing about standards is that there are so many of them to choose from" Whether you believe Grace Hopper said this, or Andrew Tanenbaum (or someone else) the quote itself expresses humour, but also a basic truth about growing markets. Ever since I started looking at blockchain applications, back in 2013, I have wondered about "standards". When I looked at BIP70 PaymentDetails, I could already sense we might have a problem.In PaymentDetails, there is a field called 'memo&ap...