| CPC H04L 9/50 (2022.05) [H04L 9/0825 (2013.01); H04L 9/3236 (2013.01); H04L 9/3247 (2013.01)] | 18 Claims |
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1. A data management method in a blockchain system having an identity-based blockchain account including a primary chain, a secondary chain, and at least one key book applying to the identity-based blockchain account, the at least one key book having a key page, the method comprising:
a) recording a multi-signature transaction originating from the identity-based blockchain account in the secondary chain;
b) associating the multi-signature transaction with the key page of the at least one key book, the key page comprising (i) a signature-authorization rule, and (ii) a plurality of keys corresponding to a plurality of transaction authorizers, wherein each key of the plurality of keys of the key page of the at least one key book comprises one of (i) a hash of a transaction authorizer's public key, and (ii) a designation of a key-book authority;
c) recording, in the secondary chain, an authorization of the multi-signature transaction from a transaction authorizer of the plurality of transaction authorizers; and
d) once a number of authorizations recorded on the secondary chain satisfies the signature-authorization rule, recording the multi-signature transaction on the primary chain for execution,
wherein the identity-based blockchain account belongs to a first digital identity, and
wherein the designation of a key-book authority identifies one of (i) a supplemental key book belonging to the first digital identity, and (ii) an external key book belonging to a second digital identity.
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