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answered 2 years ago

Max Alekseyev gravatar image

The order of secp256k1 is odd (see here), and so there os no points of even order, including 2. The order-1 point is the (additive) identity element (0 : 1 : 0).

I'm not sure what are "first" and "second" elements you refer to.

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The order of secp256k1 is odd (see here), and so there os are no points of even order, including order 2. The only order-1 point is the (additive) identity element (0 : 1 : 0).

I'm not sure what are "first" and "second" elements you refer to.