As we know, the most used digital scheme in Blockchain is ECDSA. For now, more and more blockchain projects, I've noticed, are considering substituting EdDSA and BLS signature scheme as the new one. Could anyone offer a bird-view about their respective pros and cons if applied in the Blockchain industry?

  • $\begingroup$ "Blockchain" isn't such special an industry to merit its own treatment of digital signature algorithms. ECDSA is the most supported elliptic curve signature algorithm, EdDSA is more easily implemented correctly, and BLS is the most compact. That's it. $\endgroup$
    – DannyNiu
    Mar 13, 2020 at 5:30
  • $\begingroup$ Well, the block chains do like smaller signatures for sure. Or any other method to save space, or the block chain grows too much. $\endgroup$
    – Maarten Bodewes
    Mar 23, 2020 at 22:58


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