A cryptography system for digital identity authentication, and security including computer system or platform to enable users (individual, identity editor, requestor) using one or more user devices, having user data including a public identifier and a hardware key, a server, a private key on an individual user device and a matching public key on the server linked to individual user data on the server, an individual user device converts an individual user data into an individual user code on individual user device, editor user device receives individual user code and communicates individual user code to server, server pairs individual user device and editor user device by matching individual user code transmitted by said editor user device to user data on the server, and requestor to request verification of an identity of individual via issuance of a verification request and verified if match of decrypted public identifier in an identity contract.