Bitcoin

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submitted 1 day ago by [email protected] to c/[email protected]

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The most notable changes:

bitcoind used to listen on 127.0.0.1:8334 by default. If you use Tor for incoming connections, you have to manually specify bind=127.0.0.1:8334=onion in config
unix sockets can now be used to communicate with Tor or other proxy, and MQ traffic.
New mempool policies has been implemented to patch some attack vectors for chains of unconfirmed transactions, especially in relation to lightning network channels and similar contracts.
TRUC (Topologically Restricted Until Confirmation, BIP 431) can now be used with transaction version 3 (now considered standard) instead of RBF.
Full RBF (Replace By Fee) is now enabled by default
RHEL 8 and Ubuntu 18.04 are now unsupported due to minimum required glibc version bump.

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