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Edit: In this question I'm looking at storage advantages, and network bandwidth savings.

Given that the TxID and BlockID uses SHA256 to uniquely identify a transaction (and block) is there any reason that RIPEMD shouldn't be used in a brand new/different alt-coin?

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The malleability problem is not with the hashing function, but with what is being hashed (or not). The hashed data is malleable, not the hash directly.

  • I'm concerned about the storage requirements (index size, etc) rather than transaction malliability since that really doesn't apply here, as you say. – halfbit Feb 18 '14 at 18:07
  • Ah i assumed wrongly... Maybe you should clarify in your question you're looking for storage advantages. – Jannes Feb 18 '14 at 23:55

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