US Patent 12130803 Blockchain data search method

A blockchain data search method is proposed, the method including receiving a search term for identifying a block from a user terminal, and selecting a blockchain network to be searched from among multiple blockchain networks; accessing the selected blockchain network to enter the search term and thus searching the selected blockchain network for a block corresponding to the search term; receiving data stored in the searched block from the selected blockchain network; and transmitting the received data to the user terminal.