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Answers for “什么是椭圆曲线上的标量乘法?”

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Scalar multiplication on an elliptic curve is the repeated application of point addition. Starting from a point G and adding it to itself k times produces another point P, written as P=[k]GP = [k]G.

Conditions: G is a point on the elliptic curve.; k is an integer scalar counting the number of repeated point additions.

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Point addition on an elliptic curve is defined geometrically by drawing a line through two points A and B, finding its third intersection with the curve, and reflecting that intersection point across the x-axis to obtain the sum C.

Conditions: A and B are points on the elliptic curve.; The line through A and B intersects the curve at a third point.; The curve is symmetric about the x-axis.