Security, Tech, Blockchain, Cryptocurrency, Crypto.
formulae: Xr = (λ^2 — Xp — Xq) mod 11 and Yr = [λ(Xp — Xr) — Yp] mod 11, where λ = (Yp — Yq) / (Xp — Xq) mod 11, if P ≠ Q. In the case of P = Q, λ = (3Xp^2 + 4) / 2Yp mod 11. Multiplication by an integer k is defined by repeated addition, which is usually called a scalar multiplication. For