Alibaba Group Holding Limited
BLOCKCHAIN SYSTEM AND DATA STORAGE METHOD AND APPARATUS

Abstract:

Methods, systems, and apparatus, including computer programs encoded on computer storage media are provided. One of the methods includes: sending, by a first node to a computing system, a transaction request comprising transaction data for forwarding to a target blockchain network among one or more first blockchain networks connected to the computing system, the first node being excluded from one or more consensus processes associated with the one or more first blockchain networks; receiving, by the first node from a second node associated with the target blockchain network, a block generated based on consensus validation of the transaction data by the target blockchain network and stored in a blockchain associated with the target blockchain network; and storing, by the first node, the received block in a blockchain associated with a second blockchain network, the first node participating in a consensus process associated with the second blockchain network.