> Regarding the blind signature: yes, you can check it and in most cases it's just checking a series of bytes at a given position in an array. One line of code.

> Regarding the blind signature: yes, you can check it and in most cases it's just checking a series of bytes at a given position in an array. One line of code. Building a multisig transaction locally? Good-luck doing that. Code? Better yet include it on your examples.