A method of recordation request of a compound transaction to a blockchain distributed network, comprising steps of: the first node constituting the distribution network signing a compound transaction in which a plurality of sources of assets exist by a secret key of the node, when there is a remaining source by which the compound transaction needs to be signed, the first node transmitting the compound transaction to a second node constituting the distributed network, and when there is no remaining source by which the compound transaction needs to be signed, the first node transmitting the compound transaction to a third node constituting the distributed network to request recordation to the distributed network.