Father, Researcher @ethereum, ex-Security @Adobe, Phd student @ruhrunibochum, #cryptography addicted, in elliptic we trust. opinions are my own
Sep 25, 2018 • 4 tweets • 2 min read
so #bitcoiner this is a short thread about #secp256k1 (just for my own sake. Warning!!! it might even contains some mistake, still rumping up) #Bitcoin uses secp256k1 for signing/verifying transaction via ECDSA
secp256k1 was originally specified in STANDARDS FOR EFFICIENT CRYPTOGRAPHY by Certicom Research
It is a Koblitz curve (but not a Koblitz binary anomalous curve) defined by the short Weistrass equation y^2=x^3+7.