1. Chaum, D.: Blind signatures for untraceable payments. In: Rivest, R.L., Sherman, A., Chaum, D. (eds.) Proc. Crypto 1982, New York, pp. 199–203. Plenum Press, New York (1983)
2. Merkle, R.C.: Secrecy, Authentication, and Public Key Systems. PhD thesis, Stanford University, Technical Report 1979-1; Information Systems Laboratory (June 1979)
3. Lecture Notes in Computer Science;S. Micali,2002
4. Peppercoin web site,
http://www.peppercoin.com
5. Rivest web site,
http://theory.csail.mit.edu/~rivest