i had knew that the old nodes will reject the new blocks.how about the new nodes treating the old blocks? i got the definition of the hard fork in the Hard Fork.but it didn't explain how did the new nodes treat the old blocks.

1 Answer 1


It depends on the exact rule changes.

  • so it is uncertainly?
    – mktake
    Feb 7, 2017 at 6:45
  • 1
    It is very certain, but it depends on the new rules. You could have a hardforking change in which the answer is yes, or one where the answer is no. Feb 7, 2017 at 7:25
  • If you want a more detailed answer, you should specify which cryptocurrency, and which proposed or deployed hard forking change you're referring it. Feb 8, 2017 at 3:57
  • i am sorry. i means bitcoin.i searched about the bitcoin would hard fork because the segwit and BU.would this hard fork made the old blocks(or old bitcoins in my wallet) lose value?
    – mktake
    Feb 9, 2017 at 4:49

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