UTXO data storage method, device and equipment and storage medium

Abstract

The invention discloses a UTXO data storage method. The method comprises the following steps: taking an account of which the final transaction time is before the preset time as a cold region account;identifying expired UTXO and unexpired UTXO in the cold area account; And migrating the expired UTXO to a hard disk database, and keeping the unexpired UTXO in a memory database. Visibly, in the scheme, the accounts are distinguished according to the activeness of the accounts, the cold region accounts with the poor activeness in the database are recognized, then the expired UTXO in the cold region accounts is recognized, the expired UTXO is migrated to the hard disk database, and therefore the effective utilization space of a memory is increased, and it is ensured that transactions are smoothly carried out. The invention further discloses a UTXO data storage device and equipment and a computer readable storage medium, and the technical effects can also be achieved.

Description

technical field [0001] The present invention relates to the technical field of blockchain database storage, and more specifically, to a UTXO data storage method, device, equipment, and computer-readable storage medium. Background technique [0002] UTXO (Unspent Transaction Outputs) is a data structure used in the digital cryptocurrency system. Its smallest unit is a transaction, and each transaction corresponds to an amount. Once UTXO is created, it is indivisible, follows the law of energy conservation, and is responsible for realizing the value transfer of currency in transactions. Taking the Bitcoin wallet as an example, the account balance seen in the Bitcoin wallet is actually the product of UTXO aggregate calculation. As the original basic unit of value transfer in the digital cryptocurrency system, UTXO is safe and stable. [0003] At present, the UTXO database is very inflated. In May 2015, the UTXO database was compressed to 650MB, and after decompression, it took...

AI Technical Summary

Problems solved by technology

According to this one-year growth rate, it is estimated that by 2025, if you want to put the UTXO database into the node memory, you will need to spend $4,000 just to buy memory, and the economic cost of investment will continue to increase

Moreover, in the digital encryption currency system, users manage their wallet addresses through private keys, and only with private keys can they have the right to use funds under this address. UTXO has become a dead account that can never be used and is stored in the UTXO database, which increases the size of the UTXO database and increases the memory burden of nodes, thus affecting the effectiveness, feasibility and speed of transactions

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