Methods and systems of providing verification of information using a centralized or distributed ledger

A method of executing a business transaction, comprising:

• receiving, by a computing device associated with a commercial website, a request to process a transaction associated with a user, a set of information of the user, and a public key of the user;
• sending, by the computing device to a device of the user, a cryptographic challenge nonce;
• receiving, by the computing device from the device of the user, the cryptographic challenge nonce signed by a private key of the user;
• verifying, by the computing device, the signed cryptographic challenge nonce with the public key of the user;
• deriving, by the computing device, a public attest key based on the set of information of the user;
• deriving, by the computing device, an attestation address using the public attest key;
• verifying, by the computing device, an existence of an attestation transaction at the attestation address in a centralized or distributed ledger;
• and
• processing, by the computing device, the transaction responsive to verification of the existence of the attestation transaction.

A method of executing a business transaction, comprising:

• receiving, by an input device of a first computing system associated with a merchant from an output device of a second computing system associated with a user, a code representing a set of information of the user;
• decoding, by the first computing system, the set of information of the user from the received code;
• deriving, by the first computing system, a public attest key based on the set of information of the user;
• deriving, by the first computing system, an attestation address using the public attest key;
• verifying, by the first computing system, an existence of an attestation transaction at the attestation address in a centralized or distributed ledger;
• and
• processing the business transaction, by the first computing system, responsive to verification of the existence of the attestation transaction.

A system for providing verification of revocable information via a centralized or distributed ledger, comprising:

• a first device comprising a network interface in communication with a second device maintaining a centralized or distributed ledger, and a processor;
• wherein the processor is configured to:
• receive a set of information of a user;
• determine an address within a centralized or distributed ledger based on the received set of information of the user;
• identify an existence of a transaction having a first non-zero transaction value at the address in the centralized or distributed ledger, the first non-zero transaction value at the address indicating that the set of information of the user is validated;
• and
• authenticate the set of information of the user, responsive to the identification of the existence of the transaction having the first non-zero transaction value at the address in the centralized or distributed ledger.