Methods and systems for recording data based on plurality of blockchain networks

1. A computer-implemented method for recording data, comprising:

in response to receiving data to be recorded, generating, by a node in a first-type blockchain network, a first-type blockchain transaction comprising the data;

transmitting, by the node in the first-type blockchain network, the first-type blockchain transaction to the first-type blockchain network;

recording, by the node based on a consensus algorithm, one or more first-type blockchain transactions into a first-type block;

recording, by the node, the first-type block on a blockchain of the first-type blockchain network;

determining, by the node, a transaction hash of each of the one or more first-type blockchain transactions in the first-type block;

receiving, by a target node in a second-type blockchain network and as a received transaction hash, the transaction hash of each of the one or more first-type blockchain transactions;

generating, by the target node and for each transaction hash, a corresponding second-type blockchain transaction based on the received transaction hash;

storing, by the target node and for the one or more first-type blockchain transactions, a network identifier of the first-type blockchain network with the received transaction hash as the corresponding second-type blockchain transaction;

transmitting, by the target node, each second-type blockchain transaction to the second-type blockchain network;

recording, by the target node based on the consensus algorithm, one or more second-type blockchain transactions into a second-type block;

recording, by the target node, the second-type block on a blockchain of the second-type blockchain network;

in response to receiving a verification request, verifying, by the target node in the second-type blockchain network, the data to be recorded is recorded in the first-type blockchain network;

in response to receiving a query of the corresponding second-type blockchain transaction, sending, by the target node, the transaction hash to the first-type blockchain network based on the network identifier; and

in response to sending the transaction hash to the first-type blockchain network, receiving, by the target node, the first-type blockchain transaction corresponding to the transaction hash of the first-type blockchain network.

2. The computer-implemented method according to claim 1 , wherein receiving the transaction hash of each of the one or more first-type blockchain transactions comprises:

receiving each of the one or more second-type blockchain transactions corresponding to each of the one or more first-type blockchain transactions based on an order of the one or more first-type blockchain transactions recorded in a first-type recording block; and

transmitting, by the target node, each second-type blockchain transaction to the second-type blockchain network comprises:

transmitting each of the one or more second-type blockchain transactions corresponding to the transaction hash of each of the one or more second-type blockchain transactions based on an order that the transaction hash is received.

3. The computer-implemented method according to claim 1 , further comprising:

in response to receiving data to be recorded, generating, by a node in a third-type blockchain network, a third-type blockchain transaction comprising the data;

transmitting the third-type blockchain transaction to the third-type blockchain network;

recording, by the node in the third-type blockchain network based on the consensus algorithm, one or more third-type blockchain transactions into a third-type block;

recording, by the node in the third-type blockchain network, the third-type block on a blockchain of the third-type blockchain network;

determining, by the node in the third-type blockchain network, a second transaction hash of each of the one or more third-type blockchain transactions;

generating, by the target node for each second transaction hash, a second-type blockchain transaction comprising the second transaction hash; and

transmitting, by the target node, the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions to the second-type blockchain network.

4. The computer-implemented method according to claim 3 , wherein transmitting, by the target node, the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions comprises:

transmitting the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions based on an order of the one or more third-type blockchain transactions recorded in the third-type block.

5. The computer-implemented method according to claim 3 , wherein generating the second-type blockchain transaction comprising the second transaction hash comprises:

generating the second-type blockchain transaction comprising the second transaction hash of the third-type blockchain transaction and a network identifier of the third-type blockchain network.

6. The computer-implemented method according to claim 3 , wherein the method further comprises:

generating, for each second transaction hash, the second-type blockchain transaction comprising the second transaction hash and a network identifier of the third-type blockchain network.

7. A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations comprising:

in response to receiving data to be recorded, generating, by a node in a first-type blockchain network, a first-type blockchain transaction comprising the data;

transmitting, by the node in the first-type blockchain network, the first-type blockchain transaction to the first-type blockchain network;

recording, by the node based on a consensus algorithm, one or more first-type blockchain transactions into a first-type block;

recording, by the node, the first-type block on a blockchain of the first-type blockchain network;

determining, by the node, a transaction hash of each of the one or more first-type blockchain transactions in the first-type block;

receiving, by a target node in a second-type blockchain network and as a received transaction hash, the transaction hash of each of the one or more first-type blockchain transactions;

generating, by the target node and for each transaction hash, a corresponding second-type blockchain transaction based on the received transaction hash;

storing, by the target node and for the one or more first-type blockchain transactions, a network identifier of the first-type blockchain network with the received transaction hash as the corresponding second-type blockchain transaction;

transmitting, by the target node, each second-type blockchain transaction to the second-type blockchain network;

recording, by the target node based on the consensus algorithm, one or more second-type blockchain transactions into a second-type block;

recording, by the target node, the second-type block on a blockchain of the second-type blockchain network;

in response to receiving a verification request, verifying, by the target node in the second-type blockchain network, the data to be recorded is recorded in the first-type blockchain network;

in response to receiving a query of the corresponding second-type blockchain transaction, sending, by the target node, the transaction hash to the first-type blockchain network based on the network identifier; and

in response to sending the transaction hash to the first-type blockchain network, receiving, by the target node, the first-type blockchain transaction corresponding to the transaction hash of the first-type blockchain network.

8. The non-transitory, computer-readable medium according to claim 7 , wherein receiving the transaction hash of each of the one or more first-type blockchain transactions comprises:

receiving each of the one or more second-type blockchain transactions corresponding to each of the one or more first-type blockchain transactions based on an order of the one or more first-type blockchain transactions recorded in a first-type recording block; and

transmitting, by the target node, each second-type blockchain transaction to the second-type blockchain network comprises:

transmitting each of the one or more second-type blockchain transactions corresponding to the transaction hash of each of the one or more second-type blockchain transactions based on an order that the transaction hash is received.

9. The non-transitory, computer-readable medium according to claim 7 , the operations further comprising:

in response to receiving data to be recorded, generating, by a node in a third-type blockchain network, a third-type blockchain transaction comprising the data;

transmitting the third-type blockchain transaction to the third-type blockchain network;

recording, by the node in the third-type blockchain network based on the consensus algorithm, one or more third-type blockchain transactions into a third-type block;

recording, by the node in the third-type blockchain network, the third-type block on a blockchain of the third-type blockchain network;

determining, by the node in the third-type blockchain network, a second transaction hash of each of the one or more third-type blockchain transactions;

generating, by the target node for each second transaction hash, a second-type blockchain transaction comprising the second transaction hash; and

transmitting, by the target node, the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions to the second-type blockchain network.

10. The non-transitory, computer-readable medium according to claim 9 , wherein transmitting, by the target node, the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions comprises:

transmitting the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions based on an order of the one or more third-type blockchain transactions recorded in the third-type block.

11. The non-transitory, computer-readable medium according to claim 9 , wherein generating the second-type blockchain transaction comprising the second transaction hash comprises:

generating the second-type blockchain transaction comprising the second transaction hash of the third-type blockchain transaction and a network identifier of the third-type blockchain network.

12. The non-transitory, computer-readable medium according to claim 9 , wherein the operations further comprising:

generating, for each second transaction hash, the second-type blockchain transaction comprising the second transaction hash and a network identifier of the third-type blockchain network.

13. A computer-implemented system, comprising: one or more computers; and

one or more computer memory devices interoperably coupled with the one or more computers and having tangible, non-transitory, machine-readable media storing one or more instructions that, when executed by the one or more computers, perform one or more operations comprising:

in response to receiving data to be recorded, generating, by a node in a first-type blockchain network, a first-type blockchain transaction comprising the data;

transmitting, by the node in the first-type blockchain network, the first-type blockchain transaction to the first-type blockchain network;

recording, by the node based on a consensus algorithm, one or more first-type blockchain transactions into a first-type block;

recording, by the node, the first-type block on a blockchain of the first-type blockchain network;

determining, by the node, a transaction hash of each of the one or more first-type blockchain transactions in the first-type block;

receiving, by a target node in a second-type blockchain network and as a received transaction hash, the transaction hash of each of the one or more first-type blockchain transactions;

generating, by the target node and for each transaction hash, a corresponding second-type blockchain transaction based on the received transaction hash;

storing, by the target node and for the one or more first-type blockchain transactions, a network identifier of the first-type blockchain network with the received transaction hash as the corresponding second-type blockchain transaction;

transmitting, by the target node, each second-type blockchain transaction to the second-type blockchain network;

recording, by the target node based on the consensus algorithm, one or more second-type blockchain transactions into a second-type block;

recording, by the target node, the second-type block on a blockchain of the second-type blockchain network;

in response to receiving a verification request, verifying, by the target node in the second-type blockchain network, the data to be recorded is recorded in the first-type blockchain network;

in response to receiving a query of the corresponding second-type blockchain transaction, sending, by the target node, the transaction hash to the first-type blockchain network based on the network identifier; and

in response to sending the transaction hash to the first-type blockchain network, receiving, by the target node, the first-type blockchain transaction corresponding to the transaction hash of the first-type blockchain network.

14. The computer-implemented system according to claim 13 , wherein receiving the transaction hash of each of the one or more first-type blockchain transactions to the target node comprises:

receiving each of the one or more second-type blockchain transactions corresponding to each of the one or more first-type blockchain transactions based on an order of the one or more first-type blockchain transactions recorded in a first-type recording block; and

transmitting, by the target node, each second-type blockchain transaction to the second-type blockchain network comprises:

transmitting each of the one or more second-type blockchain transactions corresponding to the transaction hash of each of the one or more second-type blockchain transactions based on an order that the transaction hash is received.

15. The computer-implemented system according to claim 13 , the one or more operations further comprising:

in response to receiving data to be recorded, generating, by a node in a third-type blockchain network, a third-type blockchain transaction comprising the data;

transmitting the third-type blockchain transaction to the third-type blockchain network;

recording, by the node in the third-type blockchain network based on the consensus algorithm, one or more third-type blockchain transactions into a third-type block;

recording, by the node in the third-type blockchain network, the third-type block on a blockchain of the third-type blockchain network;

determining, by the node in the third-type blockchain network, a second transaction hash of each of the one or more third-type blockchain transactions;

generating, by the target node for each second transaction hash, a second-type blockchain transaction comprising the second transaction hash; and

transmitting, by the target node, the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions to the second-type blockchain network.

16. The computer-implemented system according to claim 15 , wherein transmitting, by the target node, the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions comprises:

transmitting the second-type blockchain transaction corresponding to each second transaction hash of each of the one or more third-type blockchain transactions based on an order of the one or more third-type blockchain transactions recorded in the third-type block.

17. The computer-implemented system according to claim 15 , wherein generating the second-type blockchain transaction comprising the second transaction hash comprises:

generating the second-type blockchain transaction comprising the second transaction hash of the third-type blockchain transaction and a network identifier of the third-type blockchain network.

18. The computer-implemented system according to claim 15 , wherein the operations further comprising:

generating, for each second transaction hash, the second-type blockchain transaction comprising the second transaction hash and a network identifier of the third-type blockchain network.