After the introduction of NSM8, everyone should pay attention to the post-quantum signature algorithm. Compared with the major signature algorithms of NIST PQC, only the rainbow signature algorithm is most suitable for decentralized cryptocurrencies. At the same time, the rainbow signature algorithm is based on NP problem, which is mathematically unsolvable, so it is still safe
1 The 8th《National Security Memorandum》
NSM8 from the White House of U.S. , launched on January 19th,2022 which clearly require all agencies of the U.S. to finish something specially in quantum-resistance algorithms , shows it will be the beginning of a new world of quantum resistance times. All cryptos , bitcoin include, will have to upgrade its digital signature algorithm vulnerable to quantum computer to quantum-resistance digital signature algorithms:
https://www.whitehouse.gov/briefing-room/presidential-actions/2022/01/19/memorandum-on-improving-the-cybersecurity-of-national-security-department-of-defense-and-intelligence-community-systems/
NSM8 said:
(B) Within 60 days of the date of this memorandum, the NSA shall revise and make available to Chief Information Officers the CNSS Advisory Memorandum 01-07 (Information Assurance Cryptographic Equipment Modernization) and any associated enclosures and relevant references regarding modernization planning, use of unsupported encryption, approved mission unique protocols, quantum resistant protocols, and planning for use of quantum resistant cryptography where necessary.
and more:
2 NISTPQC
National Institute of Standards & Technology, NIST, have prepared to be able to resist quantum computing via its NISTPQC project.
So far there're 3 kinds of digital signatures, from NIST, will be probably quantum-resistant.
1st: Hash-based signatures:
XMSS, LMS:
https://csrc.nist.gov/projects/stateful-hash-based-signatures
Sphincs+ and Picnic:
https://csrc.nist.gov/Projects/post-quantum-cryptography/Round-3-Submissions
WOTS+:
https://csrc.nist.gov/glossary/term/wots_plus
RESCUE for StarkWare and Ethereum:
https://eprint.iacr.org/2020/820.pdf
2nd: Lattice:
Falcon & Dilithium:
https://csrc.nist.gov/Projects/post-quantum-cryptography/Round-3-Submissions
3rd: Multivariate:
Rainbow Signature:
https://csrc.nist.gov/Projects/post-quantum-cryptography/Round-3-Submissions
Given strict requirements of "long-term secure, stable, smaller signature size and actually using cases" for those speicial cryptocurrencies and blockchain scenarios. the conclusion is that Multivariate is PROBABLY ONLY BEST suitable for.
Especially Rainbow Signature:
https://www.pqcrainbow.org/
It seems to be a marketing of the cryptocurrency Abc, if so, the tidecoin may be the bitcoin of the post-quantum era, and its current situation is very similar to the early days of bitcoin.
First of all, the code base of abc has not been maintained for 4 years, the L1 parameters of the rainbow algorithm have also been cracked, and the upgrade is still in the future. In addition, there is no engineering practice case for the rainbow algorithm, and the links to the parameter set submitted by the rainbow team to NIST have all expired. It cannot be opened and no one can contact the rainbow team, which may indicate that the entire multivariate algorithm is insecure.
Then, Tidecoin uses the falcon-512 algorithm. The falcon algorithm is very safe and runs fast. There are only 21 million in total, and it has been running well and stably for nearly 2 years. The production reduction cycle completely matches the NIST roadmap, and there are also clear route planning. Now its ownership has been transferred to the community, it is completely decentralized, there are already Korean, Chinese, English, Russian communities, and it is listed on the exchange, and it works well. In addition, Tidecoin is attracting developers and others to join the world. Anyone can apply to join, but because there is no capital investment, the development is slow. But I'm sure it will shine
In response to your comment that "rainbow algorithm have also been cracked"
Abc Chairman Liu Jin has said "Anyone who cracks Abc's rainbow signature will be awarded a $400,000 bonus", have you heard of anyone getting it so far?
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In response to your comment that "rainbow algorithm have also been cracked"
Abc Chairman Liu Jin has said "Anyone who cracks Abc's rainbow signature will be awarded a $400,000 bonus", have you heard of anyone getting it so far?