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International Conference on Provable Security

ProvSec 2019: Provable Security pp 288–302Cite as

A Centralized Digital Currency System with Rich Functions

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Part of the book series: Lecture Notes in Computer Science ((LNSC,volume 11821))

Abstract

The developments of cryptocurrencies push central banks of many countries to consider their own digital fiat currencies. As banks are usually taken as a trusted third party, it is unnecessary to rebuild a blockchain system to rebuild trust. However, cryptocurrencies provide many interesting features except the basic financial functions. It is naturally to absorb the interesting parts of cryptocurrencies to the centralized bank system. We here extract a stateful authentication mechanism from the practice of Ethereum and show how to run puzzle and payment channel templates in a centralized system, based on which we may build a fiat currency lighting network to support direct exchanges of users.

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Acknowledgment

This work is supported by the National Key R&D Program of China (2017YFB0802500), Guangxi Key Laboratory of Cryptography and Information Security (No. GCIS201711), Natural Science Foundation of China (61672550), Fundamental Research Funds for the Central Universities (No. 17lgjc45). Natural Science Foundation of Guangdong Province of China (2018A0303 130133).

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Authors and Affiliations

  1. Guangdong Key Laboratory of Information Security, School of Data and Computer Science, Sun Yat-Sen University, Guangzhou, 510275, Guangdong, People’s Republic of China

    Haibo Tian, Peiran Luo & Yinxue Su

Authors
  1. Haibo Tian
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  2. Peiran Luo
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  3. Yinxue Su
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Corresponding author

Correspondence to Haibo Tian .

Editor information

Editors and Affiliations

  1. Monash University, Melbourne, VIC, Australia

    Ron Steinfeld

  2. The University of Hong Kong, Pok Fu Lam, Hong Kong

    Tsz Hon Yuen

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Tian, H., Luo, P., Su, Y. (2019). A Centralized Digital Currency System with Rich Functions. In: Steinfeld, R., Yuen, T. (eds) Provable Security. ProvSec 2019. Lecture Notes in Computer Science(), vol 11821. Springer, Cham. https://doi.org/10.1007/978-3-030-31919-9_17

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  • DOI: https://doi.org/10.1007/978-3-030-31919-9_17

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-31918-2

  • Online ISBN: 978-3-030-31919-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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