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8 min read

UTXO (Unspent Transaction Output)

The fundamental accounting model of Bitcoin. Your 'balance' is the sum of UTXOs you can spend with your private keys.

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What is UTXO (Unspent Transaction Output)?

The fundamental accounting model of Bitcoin. Your 'balance' is the sum of UTXOs you can spend with your private keys.

Why It Matters

Understanding UTXO (Unspent Transaction Output) is essential for anyone serious about Bitcoin. This concept forms a key building block of how Bitcoin works and why it's valuable.

Key Points

  • This is a core Bitcoin concept at the intermediate level
  • Related to: transaction, protocol, intermediate
  • Estimated reading time: 8 minutes
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