René Aaron on Nostr: It means that we signed the release with a nostr key (which allows zap.store to ...

It means that we signed the release with a nostr key (which allows zap.store to display the profile of the app creator, including people in your contact list that follow the app publisher).

At the time of installation the signatures will be verified against the downloaded file so you can be sure you got the right file and it hasn't been tampered with.