Thank you; I don't know too much about Monero -- while I see that it does have multisigs, I can't tell if they can change over time. This is pretty important to

Thank you; I don't know too much about Monero -- while I see that it does have multisigs, I can't tell if they can change over time. This is pretty important to ensure that we as the note issuer can never block someone from ultimately claiming the funds off of the note.