2PESERICO E.P2P Economies[C] //Computer Communication Review.United States:Proceedings of the ACMSpecial Interest Group on Data Communication(SIGCOMM),2006.
3MEDVINSKY Gennady,NEUMAN Clifford.NetCash:A Design for Practical Electronic Currency on the Internet[C] //Proceedings of the1st ACM Conference on Computer and Communications Security(CCS'93).New York:ACM,1993:102-106.
4GARCIA Flavio D,HOEPMAN Jaap-Henk.Applied Cryptography and Network Security[M].Heidelberg:Springer Berlin,2005:271-287.
5MASSIAS H,SERRET Avila H,QUISQUATER J J.Design of a Secure Timestamping Service with Minimaltrust Requirements[C] //Proceedings of the20th Symposium on Information Theory in theBenelux.Belgium:Werkgemeenschap voor Informatie-en Communicatietheorie,1999:76-86.
