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A comment on Hal Finney’s proposal for optimizing Bitcoin to be enabled in Bitcoin Core. Parent comment

Re:Hal Finney’s proposal for optimizing Bitcoin to be enable... by ema on Sunday September 27, 2020 @02:59PM (#24609233)
To expand: an update that puts older versions of bitcoin on a different chain is called a hard fork and it is treated as a big deal. It is supposed to happen as rarely as possible.
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