Calm before Optimism, nostr:npub1rtlqca8r6auyaw5n5h3l5422dm4sry5dzfee4696fqe8s6qgudks7djtfs

Referring to the #Bitcoin Cheat Sheet by nostr:npub1r00t03pv2kxpes5x676xu3j2e0ag8hmmtzv8et0matxg876tnkgsp5sqe8