3 weeks later and the #cashu nut has not been found. So here’s some help…
1. To embed text data in a cover image use $steghide embed -e rijndael-256 -ef input_filename.txt -cf cover_filename.jpg
2. To extract secrets from an existing cover image provide the pass phrase in your terminal $steghide extract -sf cover_file.jpg
nostr:note1njej98tt6hgp3e4965unw69ullvhsf8cv9my4mvhw9zdd83075cqutpdg6