Used in end-to-end encryption to verify identity.
in Bitcoin (secp256k1) because a key of zero cannot produce a valid public key or address. Common Use Case : It appears in "fake" address directories like directory.io 5hphagt65tzzg1ph3csu63k8dbpvd8s5ip4neb3kesreabuatmu+better
Sometimes “better” does not mean changing the identifier itself, but improving the surrounding system: Used in end-to-end encryption to verify identity
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