International Business Machines Corporation
Right to be forgotten on an immutable ledger

Abstract:

An example operation may include one or more of receiving a transaction request into at least one node of a blockchain network, the transaction request comprising one or more transaction parameters and one or more encryption keys, processing the transaction request to produce a transaction result, encrypting one or more parameters of the transaction result to produce an encrypted transaction result, storing the encrypted transaction result in a data block of the blockchain, and storing the one or more encryption keys in one or more key stores of the blockchain network.