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Bitcoin balance query

2022-02-03 20:54:09 Q & A of Denglian community

Every time bitcoin transfers Will check the transfer in and transfer out of the address ?? It doesn't have to count hundreds every time G The data of ??

Take the answer 1:

To be exact, bitcoin has no concept of balance , It should be a pile UTXO (Unspent Transaction Outputs, Unused transaction output ).

Bitcoin has a simple payment authentication thing , namely Simple Payment Verification, abbreviation SPV. You can see the blogger's :  Bitcoin block structure Merkle Tree and simple payment verification analysis .

stay SPV Node , Do not save all blockchain data , Do not download all transactions of the block , Save only block header data . The overall storage capacity requirements will be greatly reduced .

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