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…However, if an output is not spent, it remains in the UTXO database as an unspent transaction output.In contrast to account-based models, where account balances are maintained and updated directly, the UTXO model requires validation of the entire transaction history. This validation ensures that each input being spent is indeed unspent and valid, which adds an additional layer of security to the system.Key TakeawayUnspent transaction output (UTXO) represents the remaining balance of digital curr…
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