Hi Julian Wilson, thanks for the feedback.

What I meant by “checkpoints is a centralized solution” is that they might be directly centralized, or implemented in a decentralized way, but will cause problems down the line that will still require centralized solutions. So in effect, checkpointing is centralizing.

There’s actually a difference between ‘old private keys attack’ & ‘current private keys attack’. You can check out my Part 2 which discusses this more in-depth.



Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store