Single Term Off-Line Coins

نویسنده

  • Niels Ferguson
چکیده

We present a new construction for off-line electronic coins that is both far more efficient and much simpler than previous systems. Instead of using many terms, each for a single bit of the challenge, our system uses a single term for a large number of possible challenges. The withdrawal protocol does not use a cutand-choose methodology as with earlier systems, but uses a direct construction.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Microcash: Efficient Off-Line Small Payments

An off-line electronic cash scheme is proposed that is suitable for small payments. The approach is innovative, in that each coin may be efficiently verified by the same or different merchants during payment. The scheme relies on a batch signature technique to efficiently sign and verify individually spent coins; coins may also be deposited in batch manner. The scheme outlined differs considera...

متن کامل

شناسایی فنی و خوانش خطوط سکه‌ های مسی حفاری‌ شده از محوطه تاریخی فیض ‌آباد کاشان

The coin is the best material for date detection and understanding the historical and cultural period and recognition of characteristic features of historical periods. In 2014, the archaeological excavations carried out under the supervision of Noori and Javeri in Faizabad historical site. In this excavation, they discovered historical architectural texture of historic village. In addition, the...

متن کامل

Untraceable Off-line Electronic Cash Flow in E-Commerce

Electronic cash has been playing an important role in electronic commerce. One of the desirable characteristics is its traceability, which can prevent money laundering and can find the destination of suspicious withdrawals. In this paper we develop a new scheme for untraceable electronic cash, in which the bank involvement in the payment transaction between a user and a receiver is eliminated. ...

متن کامل

A new untraceable off-line electronic cash system

Digital content transactions through e-commerce will grow tremendously in the coming years. In this respect, well-designed electronic payment schemes and high-quality digital contents are two critical factors. Untraceable electronic cash schemes make it possible for customers to pay the e-cash to the merchants through communication networks under privacy protection. Therefore, there is a need t...

متن کامل

Security Analysis on Secure Untraceable Off-line Electronic Cash System

In 2013, Baseri et al. proposed an untraceable off-line electronic cash scheme from the RSA cryptosystem. They used a method that injects the expiration date and the spenders identity onto the coin to prevent double spending. The authors claimed that the scheme provides the properties of anonymity, unforgeability, double spending detection, and date attachability. Unfortunately, we find that th...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 1993