This book constitutes the thoroughly refereed post-proceedings of the 10th International Conference on Financial Cryptography and Data Security, FC 2006, held in Anguilla, British West Indies in February/March 2006. The 19 revised full papers and six revised short papers presented were carefully reviewed and selected from 64 submissions. The papers are organized in topical sections.

The aim of this text is to treat selected topics of the subject of contemporary cryptology, structured in five quite independent but related themes:
- efficient distributed computation modulo a shared secret
- multiparty computation
- foundations of modern cryptography
- provable security for public key schemes
- efficient and secure public-key cryptosystems.