What Is A UTXO?
A UTXO (unspent transaction output) is a unit of currency that remains unspent after a transaction is complete, and it represents the amount of bitcoin available for future transactions. Think of i...

Source: Bitcoin Magazine
A UTXO (unspent transaction output) is a unit of currency that remains unspent after a transaction is complete, and it represents the amount of bitcoin available for future transactions. Think of it as the “change” you receive after making a payment — except in Bitcoin, this change is what can be used in future transactions. […]