In a blockchain transaction acceleration system, access is provided to a multiple blockchain acceleration network accessible to a plurality of blockchains, where the multiple blockchain acceleration network includes a plurality of acceleration nodes, each acceleration node accessible to at least one node in at least one blockchain of the plurality of blockchains. A transaction to be forwarded is received at a first acceleration node from a first node in a first blockchain of the plurality of blockchains. The transaction is forwarded by the first acceleration node to a second node.