Bitcoin over Tor

Bitcoin Core has built-in support for routing P2P traffic over Tor. Both inbound and outbound. Same for Lightning impls.

Configuration (bitcoind)

proxy=127.0.0.1:9050
listen=1
listenonion=1
torcontrol=127.0.0.1:9051
torpassword=...           # OR cookie auth
externalip=...           # auto-discovered via Tor v3 hidden service

# Onion-only: drop all clearnet
onlynet=onion