Security · Review
ActiveCRYSTALS Review 2026: Post-Quantum Cryptography
CRYSTALS is a research suite for post-quantum cryptography, covering the Kyber key-encapsulation mechanism and Dilithium digital signatures. It is useful as a reference for cryptography research, not as a service to connect a wallet to.
By the DappsAtlas editorial team · Updated
DappsAtlas score
—/10
Not rated
Our verdict on Crystals
CRYSTALS is best suited to readers working on or learning about post-quantum cryptography. Its main strength is the clear distinction between Kyber's key-encapsulation role and Dilithium's digital-signature role, alongside an explanation of their shared lattice-based design. It is not a consumer crypto product, and there are no wallet functions, tokens, or fees to evaluate. Treat the stated quantum-resistance goals as properties of the designs, not as a blanket security guarantee for software implementations.
Score breakdown
How Crystals scores
- Security
- n/a
- Ease of use
- n/a
- Fees
- n/a
- Features
- n/a
Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.
What is Crystals?
CRYSTALS stands for Cryptographic Suite for Algebraic Lattices. Its site documents Kyber, a key-encapsulation mechanism, and Dilithium, a digital signature algorithm. Both are based on module lattices and were submitted to the NIST post-quantum cryptography project.
This is a technical reference for cryptography research, not a wallet, token, or decentralized application. Its relevance is to people studying or implementing post-quantum cryptography.
How Crystals works
CRYSTALS combines two lattice-based cryptographic primitives. Kyber is a key-encapsulation mechanism: it allows parties to establish a shared secret over a public channel. Dilithium is a digital signature algorithm, used to sign messages so recipients can check their origin and integrity.
Both are built around hard mathematical problems involving module lattices. The project describes them as designed to withstand attacks by large quantum computers; that is a cryptographic design goal, not a guarantee about every implementation or system that uses them.
3 features
Key features
01
Kyber KEM
Kyber is presented as an IND-CCA2-secure key-encapsulation mechanism based on module lattices.
02
Dilithium signatures
Dilithium is presented as a strongly EUF-CMA-secure digital signature algorithm.
03
Lattice-based design
The site explains the module-lattice approach and the algorithms' design goals for resistance to quantum-computer attacks.
Pros and cons
What we like
- Covers both key exchange and digital signatures in one research suite.
- Explains the mathematical approach and design goals behind the algorithms.
- Lists the researchers and institutions involved in the work.
Watch out for
- CRYSTALS is a cryptographic research suite, not a consumer-facing app or onchain service.
- The site does not publish a product, pricing, or support offering.
- The homepage describes the algorithms' design goals but does not establish the security of any particular software implementation.
Crystals fees
CRYSTALS is a cryptographic research suite rather than a transactional service, and it does not publish user fees.
Is Crystals safe?
CRYSTALS is not a smart-contract service, so wallet custody and contract-audit questions do not apply. The site describes cryptographic designs but does not establish that every implementation using them is secure; implementation quality and correct integration remain important. No project audit or consumer-facing security certification is published.
4 steps
How to get started with Crystals
- 1
Read the CRYSTALS overview to understand the scope of the suite.
- 2
Review the descriptions of Kyber and Dilithium to see how their functions differ.
- 3
Read the module-lattice explanation for context on the algorithms' mathematical basis.
- 4
Consult the research papers and implementation materials linked from the project site if you need technical detail.
Who Crystals is for
CRYSTALS is for cryptography students, researchers, and developers looking for technical context on lattice-based key encapsulation and digital signatures. It is not intended for people seeking a dApp, investment, or wallet service.
Crystals FAQs
What is CRYSTALS?
CRYSTALS is short for Cryptographic Suite for Algebraic Lattices. It describes two lattice-based cryptographic primitives: Kyber for key encapsulation and Dilithium for digital signatures.
Is CRYSTALS a crypto project or dApp?
No. CRYSTALS describes cryptographic algorithms and research, not a blockchain application or wallet service. The site does not offer a token, onchain transactions, or a user account.
What are Kyber and Dilithium used for?
Kyber is a key-encapsulation mechanism, while Dilithium is a digital signature algorithm. The CRYSTALS site says both are based on module lattices and designed to withstand attacks by large quantum computers.
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How we checked
Sources
No public sources were recorded for this review.
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