Hello, Owen,
The GPG signature verification has changed for bitcoin core version 22
and later. There were two main changes:
1) The sha256 checksums are now in a separate file from the GPG
signatures. So download a new file named "SHA256SUMS" (contains the
checksums) and also the
Hi, Thomas,
I developed a URL signing scheme for use with LNURL as a method for
authorizing payments on behalf of offline devices /applications. It's
not specifically off-chain or on-chain related, but could be repurposed.
The gist of the scheme is as follows:
Before any signing is done:
