There is currently no section on security considerations in the specification. There should probably be something containing an analysis of the security implications of the protocol.
There were many rounds of security reviews at Mozilla for what is now navigator.mozPay(). Here's some logging of the security reviews but some of the info is outdated by now. A lot of the threat models still apply.
There is currently no section on security considerations in the specification. There should probably be something containing an analysis of the security implications of the protocol.