References
- Advances in Cryptology- Proc. of CRYPTO'83 Blind Signature Systems D. Chaum
- Advances in Cryptology- Proc. of CRYPTO'88, LNCS v.403 UnTraceable Electronic Cash D. Chaum;A. Fiat;M. Noar
- Advances in Cryptology, Proceedings of EUROCRYPT'92 Transferred Cash Grows in Size D. Chaum;T. P. Pedersen
- Advances in cryptology-Proc. of CRYPTO'93, LNCS v.733 Untraceable off-line Cash in Wallets with Observer S. Brands