[Huawei obtains patents for blockchain-based settlement methods, blockchain nodes and clients, realizing the function of processing call bills and reconciliation with smart contracts] Golden Finance reported that according to the announcement of the State Intellectual Property Office, Huawei Technologies Co., Ltd. has obtained a patent called "Blockchain-based Settlement Methods, Blockchain Nodes and Clients", with the authorization announcement number CN110310107B, and the application date is March 2018. The patent abstract shows that the embodiment of this application discloses a blockchain settlement method, including: a first blockchain node receives a first original call bill sent by a first client and synchronizes it to a blockchain; the first blockchain node processes the first original call bill according to a smart contract, obtains a first settlement result and sends it to a second blockchain node; the first blockchain node receives a first confirmation message returned by the second blockchain node, and the first confirmation message is used to indicate the result of the second blockchain node reconciling the first original call bill according to the smart contract; the first blockchain node determines whether the first confirmation message carries information that the first settlement result has been reconciled; if it carries information that the first settlement result has been reconciled, the first blockchain node synchronizes the first settlement result to the blockchain; the first blockchain node sends the bill data generated according to the first settlement result to the first client.

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