US Patent 11368446 Trusted account revocation in federated identity management

A service provider configured to establish a federated identity management with an identity provider, provision a first user account, and retrieve revocation information from a ledger. The revocation information can include a revoked user account identifier published to the ledger by the identity provider. The service provider can determine that the revoked user account identifier corresponds to the first user account. The service provider can delete the first user account from the service provider.