Hi all, I just published a post on Delving Bitcoin proposing a concrete set of payloads for QR-based signing flowsin miniscript context::
https://delvingbitcoin.org/t/qr-based-signing-flow-payloads-in-miniscript-context/2464
The post defines the *content* of payloads and is intentionally agnostic about the wire format, framing, and chunking.
Feedback very welcome, especially from people working on signing devices or wallets/coordinators that already support, or are planning to support, Miniscript.
Pyth