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Bitcoin Forum > Other > Beginners & Help > Why does 256-bit ECC offers equivalent security of 128-bit symmetric encryption?
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Author Topic: Why does 256-bit ECC offers equivalent security of 128-bit symmetric encryption?  (Read 456 times)
BusyBeaverHP (OP)
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March 30, 2015, 07:33:19 PM
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I've been studying ECDSA from Royal Fork for a few weeks now, and I think I'm starting to get it. Some question remains.

Why is it that 256-bits of ECC only offers equivalent security of say, 128-bit AES?

Is it because of the birthday paradox? Or is it something else?
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