At least one identity for a given entity of a first enterprise is established in accordance with a decentralized identity management system maintained in accordance with a distributed ledger. The identity of the given entity of the first enterprise and a set of attributes relating to the identity are defined by at least one cryptographically signed token file. The cryptographically signed token file is referenced in the distributed ledger enabling a second enterprise to authenticate and/or authorize the given entity in accordance with at least one of the set of attributes.