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TCP 8332

ProtocolTCP
Port8332
LabelsBitcoin JSON-RPC server

Synopsis

  • TCP port 8332 is the default JSON-RPC port used by Bitcoin Core (bitcoind/bitcoin-qt) on mainnet.
  • Bitcoin Core derivatives commonly keep this default, including Bitcoin Knots and Bitcoin Cash implementations (Bitcoin ABC/Bitcoin Cash Node).
  • Bitcoin SV nodes also expose their JSON-RPC interface on TCP 8332 by default.
  • Mining software such as cgminer and bfgminer connects to a local bitcoind on 8332 to call getblocktemplate and related RPCs.
  • Tools and services like bitcoin-cli, BTC-RPC-Explorer, and Electrum Personal Server talk to Bitcoin Core over 8332.
  • Security note: This port is often targeted when exposed; misconfigured or unauthenticated JSON-RPC endpoints on 8332 have been exploited to issue wallet commands and steal funds.

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