UXTO

UXTO is the abbreviation of ‘Unspent Transaction Output’. The total balance of bitcoins on an address can be spread over multiple blocks in the blockchain. The unspent bitcoins have a UXTO attribute. By searching the blockchain for the UXTO’s, which belong to a ‘wallet’ address, the total spendable balance can be determined. This is displayed by the wallet when it is fully synchronised. 

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