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Study Knots

Untangle the differences. Learn Bitcoin Knots.

The comprehensive guide to understanding Bitcoin Knots — an enhanced Bitcoin Core derivative with additional features, policy options, and improvements.

The OP_RETURN Controversy

Bitcoin Core v30 dropped OP_RETURN limits (unchanged through v31). Nick Szabo broke 5 years of silence to warn about it. Learn why roughly a quarter of reachable nodes switched to Knots.

~23%Of All Nodes (July 2026)
14+Years Active
v29.3Current Release
ConsensusCompatible by Default

What Makes Knots Different

Same consensus rules as Bitcoin Core by default. More features for power users.

Policy Control

Fine-grained mempool policies. Filter transactions, set dust thresholds, and control what your node relays.

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Wallet Features

Legacy wallet support, private key sweeping, Codex32 seeds, and enhanced signing capabilities.

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Extended RPC

Additional commands for fee estimation, block inspection, and wallet management.

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GUI Improvements

Dark mode, network monitoring, mempool statistics, and a polished Qt interface.

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Privacy Options

Built-in Tor subprocess, enhanced network privacy, and configurable peer settings.

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Mining Tools

Transaction priority, restored block size options, and getblocktemplate enhancements.

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Core vs Knots

Knots tracks Bitcoin Core releases while adding enhancements

FeatureBitcoin CoreBitcoin Knots
Consensus RulesStandardIdentical (RDTS soft fork ships in v29.3)
Legacy WalletRemoved (v30)Maintained
OP_RETURN PolicyNo limit by default (100 kB)83-byte default, deeply configurable
Mempool FilteringLimitedExtensive
Dark ModePartialFull support
Tor IntegrationManual setupAutomatic launch
UPnPRemovedRestored

Quick Start

Get a Bitcoin Knots node running in minutes.

# Download from bitcoinknots.org
# Extract and run:

./bitcoind -daemon

# Check status:
./bitcoin-cli getblockchaininfo
Full Quick Start Guide

Ready to Learn More?

Explore the documentation or download Bitcoin Knots to get started.