Optimization of Hash Function Implementation for Bitcoin Mining

DOI

10.2991/icmeit-19.2019.73How to use a DOI?

Keywords

SHA256, bitcoin mining, FPGA.

Abstract

As the origin of blockchain technology, Bitcoin has received a lot of attention in recent years. Hash function calculation is the key problem in proof-of-work mechanism. The main work of this paper focuses on the FPGA implementation and optimization of the hash function. Firstly, this paper determines iteration bound of the algorithm by using the iteration bound theory. Secondly, this paper uses carry-save adder and the retiming method to make the computation time of critical path equal to the iteration bound. After that, this paper uses the constant input part and the requirements of the result to further reduce the number of cycles of the hash function calculation. Finally, this paper performs simulation, and the results show that this implementation improves the efficiency of the hash function calculation.

Copyright

© 2019, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xiaohan Zhang
AU  - Honggang Hu
PY  - 2019/04
DA  - 2019/04
TI  - Optimization of Hash Function Implementation for Bitcoin Mining
BT  - Proceedings of the 3rd International Conference on Mechatronics Engineering and Information Technology (ICMEIT 2019)
PB  - Atlantis Press
SP  - 448
EP  - 452
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmeit-19.2019.73
DO  - 10.2991/icmeit-19.2019.73
ID  - Zhang2019/04
ER  -