//Elliptic curve cryptography (ECC) is an approach to public-key cryptography 
based on the algebraic structure of elliptic curves over finite fields.
One of the main benefits in comparison with non-ECC cryptography [..]  
is the same level of security provided by keys of smaller size.//
from its [[https://en.wikipedia.org/wiki/Elliptic_curve_cryptography|Wikipedia entry]] 2015-11-05


http://arstechnica.com/security/2013/10/a-relatively-easy-to-understand-primer-on-elliptic-curve-cryptography/1/