https://eng.paxos.com/blockchain-101-foundational-math https://www.certicom.com/content/certicom/en/ecc-tutorial.html https://www.math.brown.edu/~jhs/Presentations/WyomingEllipticCurve.pdf https://andrea.corbellini.name/2015/05/17/elliptic-curve-cryptography-a-gentle-introduction/ https://andrea.corbellini.name/2015/05/23/elliptic-curve-cryptography-finite-fields-and-discrete-logarithms/ https://andrea.corbellini.name/2015/05/30/elliptic-curve-cryptography-ecdh-and-ecdsa/ https://andrea.corbellini.name/2015/06/08/elliptic-curve-cryptography-breaking-security-and-a-comparison-with-rsa/ https://en.wikipedia.org/wiki/Elliptic_Curve_Digital_Signature_Algorithm