Apparatus and Method for mediating Online deal based on Smart Contract

摘要

A smart contract-based online transaction brokerage device according to an embodiment disclosed in this document includes a communication circuit capable of communicating with a buyer terminal, a seller terminal, and a transaction platform server; a memory for storing instructions for executing a smart contract; and a processor operatively connected to the communication circuit and the memory, wherein the smart contract, when executed, causes the processor to include a transaction amount related to an item transaction from the purchaser terminal, a purchaser's wallet address, and a seller's wallet address Upon receiving a request for remittance of a coin, a coin corresponding to the transaction amount from among the coins deposited in the wallet address of the buyer is transferred to the wallet address of the seller, and withdrawal of the transferred coin is restricted, and the seller terminal or Upon receiving a request for registration of delivery information related to the product transaction from the transaction platform server, the delivery information is stored in the block chain including the memory, and when a decision to purchase the product related to the delivery information is received from the purchaser terminal, the remittance You can make it possible to release the withdrawal limit of the coin. In summary, “smart contract-based online transaction intermediary device” enables banks or financial institutions to provide escrow services at relatively low cost and high efficiency.