Financial Cryptography and Data SecurityThere are few more important areas of current research than this, and here, Springer has published a double helping of the latest work in the field. Thats because the book contains the thoroughly refereed proceedings of the 11th International Conference on Financial Cryptography and Data Security, and the co located 1st International Workshop on Usable Security, both held in Trinidad Tobago in February 2007. Topics covered include payment systems and