Financial Cryptography and Data Security: 19th International Conference, FC 2015, San Juan, Puerto Rico, January 26-30, 2015, Revised Selected Papers

Front Matter....Pages I-XIV
Front Matter....Pages 1-1
What Satoshi Did Not Know....Pages 3-10
Front Matter....Pages 11-11
Are You at Risk? Profiling Organizations and Individuals Subject to Targeted Attacks....Pages 13-31
Computer-Supported Cooperative Crime....Pages 32-43
There’s No Free Lunch, Even Using Bitcoin: Tracking the Popularity and Profits of Virtual Currency Scams....Pages 44-61
Front Matter....Pages 63-63
Multi-class Traffic Morphing for Encrypted VoIP Communication....Pages 65-85
Protecting Encrypted Cookies from Compression Side-Channel Attacks....Pages 86-106
Fingerprinting Web Users Through Font Metrics....Pages 107-124
Front Matter....Pages 125-125
Sorting and Searching Behind the Curtain....Pages 127-146
Resizable Tree-Based Oblivious RAM....Pages 147-167
Sublinear Scaling for Multi-Client Private Information Retrieval....Pages 168-186
Front Matter....Pages 187-187
Relay Cost Bounding for Contactless EMV Payments....Pages 189-206
Private and Secure Public-Key Distance Bounding....Pages 207-216
Purchase Details Leaked to PayPal....Pages 217-226
How the Estonian Tax and Customs Board Evaluated a Tax Fraud Detection System Based on Secure Multi-party Computation....Pages 227-234
Front Matter....Pages 235-235
Tactile One-Time Pad: Leakage-Resilient Authentication for Smartphones....Pages 237-253
User Authentication Using Human Cognitive Abilities....Pages 254-271
Smart and Secure Cross-Device Apps for the Internet of Advanced Things....Pages 272-290
Front Matter....Pages 291-291
Signatures and Efficient Proofs on Committed Graphs and NP-Statements....Pages 293-314
Efficient Statically-Secure Large-Universe Multi-Authority Attribute-Based Encryption....Pages 315-332
Augmented Learning with Errors: The Untapped Potential of the Error Term....Pages 333-352
Front Matter....Pages 353-353
BabelCrypt: The Universal Encryption Layer for Mobile Messaging Applications....Pages 355-369
METDS - A Self-contained, Context-Based Detection System for Evil Twin Access Points....Pages 370-386
Market-Driven Code Provisioning to Mobile Secure Hardware....Pages 387-404
Front Matter....Pages 405-405
On Non-cooperative Genomic Privacy....Pages 407-426
A Short Paper on the Incentives to Share Private Information for Population Estimates....Pages 427-436
Paying the Guard: An Entry-Guard-Based Payment System for Tor....Pages 437-444
Proof-of-Work as Anonymous Micropayment: Rewarding a Tor Relay....Pages 445-455
Front Matter....Pages 457-457
Privacy Preserving Collaborative Filtering from Asymmetric Randomized Encoding....Pages 459-477
Anonymous and Publicly Linkable Reputation Systems....Pages 478-488
Hard Drive Side-Channel Attacks Using Smartphone Magnetic Field Sensors....Pages 489-496
Hierarchical Deterministic Bitcoin Wallets that Tolerate Key Leakage....Pages 497-504
Front Matter....Pages 505-505
Secure High-Rate Transaction Processing in Bitcoin....Pages 507-527
Inclusive Block Chain Protocols....Pages 528-547
VeriStream – A Framework for Verifiable Data Streaming....Pages 548-566
Back Matter....Pages 567-574