US Patent 11522711 Systems and methods for block chain authentication

A system for providing secure authentication between a service provider and at least one user device having a storage. The system having a processor managed by the service provider, which processor manages authentication between the at least one device and the service provider. The processor is configured to generate a block including at least user account information upon receipt of an authentication request from the at least one device; apply a cryptographic hash function to the block to create a hash; transmit the hash to the at least one device for storage in the memory of the at least one device; and upon receipt of the hash, validate the hash prior to providing access to the service provider.