Rivest and Shamir presented two simple micropayment schemes, “PayWord” and “MicroMint,” for making small purchases over the Internet [14]. Recently, Adachi et al. have poi...
Quantum money is a cryptographic protocol in which a mint can produce a quantum state, no one else can copy the state, and anyone (with a quantum computer) can verify that the sta...
Edward Farhi, David Gosset, Avinatan Hassidim, And...
A mix network by Wikstrom fails in correctness, provable privacy and soundness. Its claimed advantages in security and efficiency are compromised. The analysis in this paper illus...
Secure identity tokens such as Electronic Identity (eID) cards are emerging everywhere. At the same time usercentric identity management gains acceptance. Anonymous credential sch...
Jails, Sandboxes and other isolation mechanisms limit the damage from untrusted programs by reducing a process’s privileges to the minimum. Sandboxing is designed to thwart such...