Protocol & Consensus • Estimated 20m

Coinbase Maturity

protocol.coinbase-maturity

Newly mined coinbase outputs cannot be spent until 100 blocks have been added after the containing block. This consensus rule protects the spendability of mining rewards while short-lived reorganizations are still possible.

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Curated resources (3)

• Bitcoin Wiki: Confirmation (article) Documents the 100-confirmation maturity rule for coinbase transactions.
• Bitcoin Core: Consensus Code (article) Implementation reference for coinbase-spend validation and maturity enforcement.
• Mastering Bitcoin (book) Explains coinbase transactions, block rewards, confirmations, and reorganization risk.

Direct prerequisites (2)

• Coinbase Transaction
• Transaction Confirmations

Direct dependents (0)

• None

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