Satoshi added checkpoints to the blockchain way back when... so for those that claim to want to take BCH back to ‘Satoshi’s Vision’, well it is:
Added a simple security safeguard that locks-in the block chain up to this point.
The security safeguard makes it so even if someone does have more than 50% of the network’s CPU power, they can’t try to go back and redo the block chain before yesterday. (if you have this update)
I’ll probably put a checkpoint in each version from now on. Once the software has settled what the widely accepted block chain is, there’s no point in leaving open the unwanted non-zero possibility of revision months later.
It wasn’t until Bitcoin Core came along and removed checkpoints, that it disappeared... 🤔
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source https://www.reddit.com/r/btc/comments/9xiw03/checkpoints_were_actually_added_by_satoshi/
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