rich1.0salvatoshi (npub157…e60gr)https://yabu.me/npub157y6gz0l0rfhw220rfwnujeff6q2mec33nzkwz23umkrt6482exq8e60grnjumphttps://yabu.meI got various requests over time about supporting certain special Scripts in the Ledger bitcoin app. It is a delicate topic to support signing arbitrary scripts, and it's not yet clear to me if there's a way that is both generic and secure enough to add to the Ledger bitcoin app. Doing it incorrectly might weaken the security model for existing Scripts. It is not enough to have enough info in the PSBT to technically sign - the device needs to know what kind of checks needs to be performed on the transaction before signing. BIP-388 defines a very generic class of Scripts that is still uniform enough to share the same signer's behavior ("you spend from a well-defined account, and change must go back to the same account"), and that's been the focus so far. Unless a generalization is found that makes sense (and is compatible with BIP-388), custom signing behavior might be better served by separate apps, so that you can have clear signing, a UX that makes sense, and hardened checks for that use case. I'm working on a solution for that. Please reach out if you have the need for signing certain custom Scripts – it would help to know about your use cases!