How to Overrule the Longest Chain Checkpoint

With the checkpoint you can sort of overrule the long-risk chain rule That's right and and that has been done in many altcoins. The concern is that we don't want that to happen to Bitcoin So one way to prevent that has I think has been from the beginning to introduce the checkpoints only much after they've already happened. But it's still not a very pretty solution and so people stop doing it It'd be nice, but it'd be very nice to mention when the last checkpoint was I think it was 2013 right "It's quite a long time ago," he said.