Given an elliptic curve that defines some group of non-prime order, with co-factor h.

Would it then have a h-torsion subgroup?

What are the implications for ECC to have h-torsion subgroup?

  • $\begingroup$ Have you tried searching for the keywords cofactor and torsion on this site? $\endgroup$ – Squeamish Ossifrage Mar 13 at 17:44

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