See The “dead�?at the top? It is usually made use of instead of the standard null address, 0x0000000000000000000000000000000000000000. vanityssh-go helps you to generate ED25519 private keys with vanity public keys - GitHub - danielewood/vanityssh-go: vanityssh-go helps you to generate ED25519 private keys with vanity general public keys If I get https://ethaddress.co