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Privacy transaction method and device based on block chain and application method and device thereof

A transaction method and blockchain technology, applied in data processing applications, computer security devices, finance, etc., to achieve the effect of protecting privacy

Active Publication Date: 2019-04-12
ADVANCED NEW TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] However, in the current mainstream blockchain architecture, each node saves the same data; in some practical scenarios, blockchain node participants do not want their data to be known by other nodes

Method used

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  • Privacy transaction method and device based on block chain and application method and device thereof
  • Privacy transaction method and device based on block chain and application method and device thereof
  • Privacy transaction method and device based on block chain and application method and device thereof

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Embodiment Construction

[0032] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. Implementations described in the following exemplary embodiments do not represent all implementations consistent with one or more embodiments of this specification. Rather, they are merely examples of apparatuses and methods consistent with aspects of one or more embodiments of the present specification as recited in the appended claims.

[0033] It should be noted that in other embodiments, the steps of the corresponding methods are not necessarily performed in the order shown and described in this specification. In some other embodiments, the method may include more or less steps than those described in this specification. In addition, a single step described in this...

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Abstract

One or more embodiments of the present specification provide a privacy transaction method and device based on block chain and application method and device thereof. The private transaction method based on the block chain is applied to node equipment of trusted users. The method comprises the steps that a first message sent by a block chain user is received, the first message comprises first data information which is not protected by privacy and second data information which is protected by privacy, and the second data information which is protected by privacy is obtained by converting the first data information which is not protected by privacy; storing the first data information in a local database of node equipment of the trusted user; and sending a second transaction to the block chain,the second transaction comprising the second data information, so that the second transaction is verified and recorded in a distributed database of the block chain.

Description

technical field [0001] This specification relates to the technical field of data processing, and in particular to a blockchain-based private transaction method and device and its application method and device. Background technique [0002] Blockchain technology, also known as distributed ledger technology, is an emerging technology in which several computing devices jointly participate in "bookkeeping" and jointly maintain a complete distributed database. Due to the characteristics of decentralization, openness and transparency, each computing device can participate in database records, and fast data synchronization between computing devices, blockchain technology has been widely used in many fields. to apply. [0003] However, in the current mainstream blockchain architecture, each node saves the same data; in some practical scenarios, blockchain node participants do not want their data to be known by other nodes. Contents of the invention [0004] In view of the curren...

Claims

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Application Information

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IPC IPC(8): G06F21/62G06Q40/04
CPCG06F21/6245G06F2221/2107G06Q40/04
Inventor 潘冬
Owner ADVANCED NEW TECH CO LTD
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