Technical background of version 1 Bitcoin addresses, 2013. available from https:
 Ghassan O. Karame, Elli Androulaki, and Srdjan Capkun. Double-spending fast payments in bitcoin. In Proceedings of the 2012 ACM conference on Computer and communications security, CCS ’12, pages 906-917, New York, 2012. ACM.
 D Brown. Sec 2: Recommended elliptic curve domain parameters, 2010. available from http:
 MattCorallo. Bitcoin relay network. available from http://bitcoinrelaynetwork.org/.
 Bitcointalk Forum, available from https://bitcointalk.org/.
 Bitcoin Wiki, available from https://en.bitcoin.it/wiki/.
 Stress Test Prepares VisaNet for the Most Wonderful Time of the Year, 2015. available from http:
 Ghassan O. Karame, Elli Androulaki, Marc Roeschlin, Arthur Gervais, and Srdjan Capkun. Misbehavior in Bitcoin: A Study of Double-Spending and Accountability. ACM Trans. Inf. Syst. Secur., 18(1):2:1-2:32, May 2015.