Countermeasures against Government-Scale Monetary Forgery

Authors:
Alessandro Acquisti;Nicolas Christin;Bryan Parno;Adrian Perrig
Affiliations:
Carnegie Mellon University,;Carnegie Mellon University,;Carnegie Mellon University,;Carnegie Mellon University,
Venue:
Financial Cryptography and Data Security
Year:
2008

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Abstract

Physical cash is vulnerable to rising threats, such as large-scale, government-mandated forgeries, that digital cash may protect against more effectively. We study mechanisms to combine physical cash with digital cash to remove their respective shortcomings and obtain their combined advantages. We discuss initial mechanisms and examine their cost and benefit trade-offs.