Patent ID: 11935048
Assignee: ALIPAY (HANGZHOU) INFORMATION TECHNOLOGY CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 17:
18. A non-transitory, computer-readable medium storing instructions executable by a computer system in a blockchain network of a plurality of trustable nodes, wherein upon such execution:
in a trading platform node corresponding to a trading platform for providing blockchain-based trustable trading services between a buyer and a seller, wherein the buyer is verified to have a trustable undertaking (TU) service guaranteed by a buyer financial institution that automatically makes a payment for the buyer to the seller based on a credit of the buyer in the buyer financial institution in response to meeting a condition specified in a smart contract deployed on a blockchain of the blockchain network:
storing order data of an order on a corresponding blockchain of the blockchain network for the order after the order is confirmed by the buyer and the seller on the trading platform, the order data comprising one or more payment conditions for the order and TU service data representing a corresponding TU service for the order,
generating a corresponding smart contract for the order based on the order data of the order, wherein the corresponding smart contract comprises one or more computer-executable logics, instructions, scripts, or lines of codes configured to be an automatic function that is automatically executed to instruct the buyer financial institution to make an order payment for the order to the seller according to the corresponding TU service for the order in response to determining that a corresponding payment condition for the order payment is met, and
deploying the corresponding smart contract on the corresponding blockchain of the blockchain network, wherein, through a consensus process among the plurality of trustable nodes, the corresponding smart contract deployed on the corresponding blockchain is executable by the plurality of trustable nodes in the blockchain network; and

in a buyer financial institution node corresponding to the buyer financial institution:
communicating with a computing device of the buyer financial institution to verify that the buyer has the corresponding TU service for the order guaranteed by the buyer financial institution; and
executing the corresponding smart contract deployed on the corresponding blockchain of the blockchain network, wherein executing the corresponding smart contract comprises automatically instructing the computing device of the buyer financial institution to make the order payment to the seller according to the corresponding TU service in response to determining that the corresponding payment condition for the order payment is met.