Emergency Update 0.17.2

[MentalNomad]

All - please be aware that if upgrading to 0.17.2 after July 10, you will still want to run the invalidateblock command to push yourself immediately to the honest chain.

See:

I'm running v0.17.2, but I'm on the wrong chain?

We’ve gotten this question: I upgraded to v0.17.2, but I’m still on the wrong chain. It’s stuck below block 641999. What’s going on, and how do I fix it? Answer: BTC Core v0.17.2 protects users from an attack which started on July 1st, but only if it is installed before the attack was released. It does this by only accepting the honestly-mined version of this block: height block 640650, blockhash: 00000001ca8ac90d83f6f5da01ac96b7a017702a040953b93cda2e52b07385cd This is enforced as a checkp…

EDIT: This is no longer necessary to get on the correct chain; the honest chain overtook the attacker’s chain and all nodes have re-convereged. However, it can be a prudent additional safety measure until this incident is many days old.