Bitcoin ABC is fully compatible to Bitcoin up to the fork. Does that mean that an unsynchronized Bitcoin ABC node sends Bitcoin transactions instead of Bitcoin Cash?

  • Perhaps my problem here: bitcoin.stackexchange.com/q/57589/31364 ?
    – user31364
    Commented Aug 4, 2017 at 16:40
  • I wonder if the node is looking for the fork, and not finding it?
    – user31364
    Commented Aug 4, 2017 at 17:02
  • Yeah, sounds very likely.
    – Murch
    Commented Aug 4, 2017 at 18:48

1 Answer 1


The latest version of Bitcoin ABC that is released before UAHF happened, sends Bitcoin-style transactions if it is not synced.

Proof: https://github.com/Bitcoin-ABC/bitcoin-abc/commit/fda9dab6a9fba4a95aa2d9620f28b787efccf748

The current latest version always sends Bitcoin Cash transactions.

Proof: https://github.com/Bitcoin-ABC/bitcoin-abc/blob/master/src/wallet/wallet.cpp#L2966

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