Playing "Hide and Seek" with Stored Keys. - Adi Shamir; Nicko van Someren (Financial Cryptography, 1999)

The Practical Problems of Implementing MicroMint. - Nicko van Someren (Financial Cryptography, 2001)

Does Anyone Really Need MicroPayments? - Nicko van Someren; Andrew M. Odlyzko; Ronald L. Rivest; Tim Jones; Duncan Goldie-Scot (Financial Cryptography, 2003)

RIPA part III - The intricacies of decryption. - Nicko van Someren (Digit. Investig., 2007)

Factoring RSA Keys from Certified Smart Cards: Coppersmith in the Wild. - Daniel J. Bernstein; Yun-An Chang; Chen-Mou Cheng; Li-Ping Chou; Nadia Heninger; Tanja Lange 001; Nicko van Someren (ASIACRYPT (2), 2013)