This article was first published on Bitcoin Gold
We’re thrilled to announce BTG Core wallet v0.17.3!
This important release increases the safety of the BTG blockchain against deep-chain reversions by introducing rolling checkpoint finalization.
You can download the latest release here:
Typical users can shut down the app, install the new version, and restart the app without issue, but it’s always best to backup everything, especially wallet.dat files, first. The v0.17.3 release notes are here.
Version v0.17.3 is a direct drop-in replacement for v0.17.1 or v0.17.2, but before upgrading from an older version like v0.15.2, exchanges, services, and anyone who writes code against the API should should check the full release notes for v0.17.1 as some APIs are deprecated and there are changes to way the config file is read.
Rolling Checkpoint Finalization
A finalized block is one which the system considers non-replaceable. If a node receives a sudden chain of blocks which is a “fork” of the blockchain going back further than the last finalized block, the fork will be rejected. This makes long attack forks impossible.
Every time a new block comes in, the node will check if a previous block is newly eligible to be finalized....
To keep reading, please go to the original article at: