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METHOD, APPARATUS, AND ELECTRONIC DEVICE FOR BLOCKCHAIN-BASED RECORDKEEPING

  • US 20200134209A1
  • Filed: 10/30/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/31/2018
  • Status: Active Grant
First Claim
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1. A method for blockchain-based recordkeeping, implementable by a terminal device, the method comprising:

  • obtaining target data;

    computing a data digest of the target data, and extracting a key segment from the target data;

    signing, in a secure operation environment included in the terminal device, the data digest and/or the key segment based on a private key associated with the terminal device to generate a signature; and

    submitting to a blockchain the data digest, the key segment, and the signature, for one or more nodes in the blockchain to verify the signature based on a public key corresponding to the private key, and to record the data digest and the key segment in the blockchain in response to the signature being verified to be valid.

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