A critical can be a parameter used in general public key cryptography and will be represented by alphanumerical figures or a fingerprint. PGP use a pair of keys (general public and private) as well as a fingerprint which identifies them. SSH keys also behave in exactly the same way. Your https://ethereum-vanity-address31852.thenerdsblog.com/34814710/the-5-second-trick-for-ethereum-vanity-address-generator