Encyclopedia

This Archive aims to provide the glossary terms and docs you need to understand Bitcoin and start building Bitcoin-based applications.

N

nBits

The target is the threshold below which a block header hash must be in order...

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Network difficulty

How difficult it is to find a block relative to the difficulty of finding the...

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Network magic

Four defined bytes which start every message in the Bitcoin P2P protocol to allow seeking...

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nLockTime

Part of a transaction which indicates the earliest time or earliest block when that transaction...

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Node

A computer that connects to the Bitcoin network.Not to be confused with: Lightweight node, SPV...

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Non-data-pushing opcode

Operation codes from the Bitcoin Script language which push data or perform functions within a...

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Null data transaction

A transaction type relayed and mined by default in Bitcoin Core 0.9.0 and later that...

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Documentation