The Elliptic Curve Digital Signature Algorithm ECDSA
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.472.9475&rep=rep1&type=pdf
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.472.9475&rep=rep1&type=pdf
The original tweet is this... “Can’t put my finger on it, but I’ve got a feeling Michael Saylor’s and MicroStrategy are introducing a level ...