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Inspired by the discussion in this question I wonder what would be the downsides of adding accumulators like utreexo (paper at: https://eprint.iacr.org/2019/611.pdf) to bitcoind?

On the positive side it seems like a huge improvement if we don't need to store the history of all transactions but rather rely on merkle proofs.

  • Do you mean adding it to the Bitcoin Core software, as an optional means of syncing faster using a third party service that provides you proofs, or do you mean adding it to Bitcoin in the form of P2P protocol/infrastructure or even consensus rules? – Pieter Wuille Jul 14 at 0:03
  • When asking the question I had the first n mind since that was the obvious step to me but the later seems to me even cooler / more powerful if possible. – Rene Pickhardt Jul 14 at 6:52

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