[braingenious]

>Nope. Users can always claim funds after the expiration date of January 3rd 2029 using the user key stored on the note.

Wait what? If your service gets hacked or goes away, the funds will be usable seven years from now? How is this statement different from “You’ll find out whether or tech stack works years from now “?

[janandonly]

This kind of "smart-contracts" can be made and tested today on the Bitcoin network. Instead of picking a block-height of 7-9 years in the future, you could pick one on the next 20 minutes....

The code (if not put in a Taproot transaction) is "naked" visible on the blockchain, so no "trust" is needed.