Return the blinded credential builder which will be used to create the blinded credential
Optional
accumulatorPublicKeys: Map<number, AccumulatorPublicKey>Optional
predicateParams: Map<string, PredicateParamType>Optional
circomOutputs: Map<number, Uint8Array[][]>Optional
blindedAttributesCircomOutputs: Uint8Array[][]Static
fromJSON
A request for getting a blinded credential. Sent by the user to the signer who will verify it and then sign a blinded credential. It contains a presentation which proves predicates about the blinded attributes