Alistair Mann [ARCHIVE] on Nostr: 📅 Original date posted:2019-07-31 📝 Original message:On Wednesday 31 Jul 2019 ...

📅 Original date posted:2019-07-31
📝 Original message:On Wednesday 31 Jul 2019 12:28:58 Kenshiro [] via bitcoin-dev wrote:

> I would like to propose that a "moving checkpoint" is added to the Bitcoin
> protocol. It's a very simple rule already implemented in NXT coin:
>
> - A node will ignore any new block under nodeBlockHeight - N, so the
> blockchain becomes truly immutable after N blocks, even during a 51% attack
> which thanks to the moving checkpoint can't rewrite history older than the
> last N blocks.

How would a (potentially, state-sponsored) netsplit lasting longer than N be
handled?
--
Alistair Mann