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Core vs Knots
Bitcoin node implementation tracker via Shodan
Want the context behind the numbers?
Learn how nodes enforce Bitcoin’s rules and why client diversity matters before diving deeper into the charts.
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Note: This tracks publicly reachable Bitcoin nodes discovered by Shodan.
Many nodes run behind NAT, Tor, or firewalls — the true network is larger than shown.
Core includes all Satoshi-based clients; Knots is Luke Dashjr's fork with additional features.