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Block chain cross-chain method, device and system and electronic device

An electronic device and blockchain technology, applied in the network field, can solve the problems of complex cross-chain service operations, and achieve the effect of improving cross-chain efficiency, simplifying the setting mechanism, and simplifying cross-chain services.

Inactive Publication Date: 2019-09-17
杭州秘猿科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of this specification provides a blockchain cross-chain method, device, system and electronic

Method used

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  • Block chain cross-chain method, device and system and electronic device
  • Block chain cross-chain method, device and system and electronic device
  • Block chain cross-chain method, device and system and electronic device

Examples

Experimental program
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Embodiment 1

[0041] refer to Figure 1a As shown, it is a schematic diagram of the steps of a blockchain cross-chain method provided by the embodiment of this specification. The cross-chain method is applied in the cross-chain system under the side chain / relay mode, wherein the cross-chain system may include The main chain, the side chain, and the relay that provides cross-chain services for the main chain and the side chain. The relay can be an independent blockchain node or a functional module located on the blockchain node. It should be understood that the application scenario of the blockchain cross-chain solution may be a decentralized transaction scenario or an asset exchange scenario.

[0042] The cross-chain method may include the following steps:

[0043] Step 102: The relay reads the lock certificate generated after the original asset is locked in the first blockchain where the original asset is located.

[0044] It should be understood that the first block chain may be a side c...

Embodiment 2

[0094] refer to image 3 As shown, it is a schematic structural diagram of the block chain cross-chain device provided by the embodiment of this specification. The device mainly includes:

[0095] A reading module 302, configured to read the lock proof generated by the first blockchain where the original asset is located after locking the original asset;

[0096] The sending module 304 is configured to send the lock proof to the second block chain, the lock proof is used to trigger the second block chain to verify the lock proof, and generate the lock proof after the verification is successful. Mapping assets corresponding to native assets;

[0097] Wherein, the relay is a trustless full node with access rights to the first block chain and the second block chain.

[0098] Optionally, said lock proof carries at least one block checkpoint of the first blockchain;

[0099] When the second block chain verifies the lock certificate, it specifically includes: the second block cha...

Embodiment 3

[0113] The embodiment of this specification also provides a blockchain cross-chain system, still refer to Figure 4 As shown, including: a first block chain 402, a second block chain 404 and a relay 406;

[0114] The first blockchain 402 locks native assets;

[0115] The relay 406 reads the lock certificate generated by the first block chain 402 where the original asset is located after locking the original asset; and sends the lock certificate to the second block chain 404;

[0116] The second block chain 404 verifies the lock certificate, and generates a mapping asset corresponding to the original asset after the verification is successful;

[0117] Wherein, the relay 406 is a trustless full node with access rights to the first block chain 402 and the second block chain 406 .

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Abstract

The embodiment of the invention relates to a block chain cross-chain method, device and system and an electronic device. The method is applied to a cross-chain system in a side chain relay mode, and mainly comprises the following steps that a relay reads a locking proof generated by a first block chain where a native asset is located after the native asset is locked; the relay sends the locking proof to a second block chain, the locking proof is used for triggering the second block chain to verify the locking proof, and a mapping asset corresponding to the native asset is generated after the verification is successful, wherein the relay is a de-trusted full node having access rights to the first block chain and the second block chain. The relay satisfies a credible setting condition, namely is a whole node of the main chain and the side chain, can become the third-party relay approved by the two cross-chain parties and provide the cross-chain service. The trusted relay can be generated without the complex means in the prior art, so that the setting mechanism of the relay is simplified, the cross-chain service is simplified through the de-trusted relay, and the cross-chain transaction security is improved.

Description

technical field [0001] The embodiment of this specification relates to the field of network technology, and in particular to a blockchain cross-chain method, device system and electronic equipment. Background technique [0002] In the field of blockchain, whether it is a public chain or a private chain, cross-chain technology is the key to realizing the Internet of Value. [0003] Among the many problems faced by the blockchain, the interoperability between the blockchains greatly limits the application space of the cross-chain technology of the blockchain. At present, cross-chain technologies include: Notary schemes, Sidechains / relays, hash locking technology, distributed private key control technology, etc., which correspond to different cross-chain methods. [0004] However, the current cross-chain technology, especially the cross-chain technology under the side chain / relay mode, has more complicated relay settings, which makes the cross-chain operation under this mode m...

Claims

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Application Information

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IPC IPC(8): G06F21/62G06F16/27G06Q40/04
CPCG06F21/6218G06Q40/04G06F16/27
Inventor 王博曾兵
Owner 杭州秘猿科技有限公司
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