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.

Authentication and Fraud Detection.- Phoolproof Phishing Prevention.- A Protocol for Secure Public Instant Messaging.- Using Automated Banking Certificates to Detect Unauthorised Financial Transactions.- Privacy.- Privacy in Encrypted Content Distribution Using Private Broadcast Encryption.- A Private Stable Matching Algorithm.- Private Policy Negotiation.- Reputation and Mix-Nets.- Uncheatable Reputation for Distributed Computation Markets.- An Efficient Publicly Verifiable Mix-Net for Long Inputs.- Auditable Privacy: On Tamper-Evident Mix Networks.- Short Papers.- A Practical Implementation of Secure Auctions Based on Multiparty Integer Computation.- Defeating Malicious Servers in a Blind Signatures Based Voting System.- Pairing Based Threshold Cryptography Improving on Libert-Quisquater and Baek-Zheng.- Credit Transfer for Market-Based Infrastructure.- A Note on Chosen-Basis Decisional Diffie-Hellman Assumptions.- Cryptanalysis of a Partially Blind Signature Scheme or How to Make $100 Bills with $1 and $2 Ones.- Conditional Financial Cryptography.- A Generic Construction for Token-Controlled Public Key Encryption.- Timed-Release and Key-Insulated Public Key Encryption.- Conditional Encrypted Mapping and Comparing Encrypted Numbers.- Revisiting Oblivious Signature-Based Envelopes.- Payment Systems.- Provably Secure Electronic Cash Based on Blind Multisignature Schemes.- Efficient Provably Secure Restrictive Partially Blind Signatures from Bilinear Pairings.- Privacy-Protecting Coupon System Revisited.- Efficient Protocols.- Efficient Broadcast Encryption Scheme with Log-Key Storage.- Efficient Correlated Action Selection.- Efficient Cryptographic Protocols Realizing E-Markets with Price Discrimination.