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Quantumblockchains alternatives & similar sites

Quantum Blockchains – Quantum Cryptography for Blockchains — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
quantumcrafts.ai ↗	70 match 2 shared topics	Quantum Crafts – Future-Proofing Cryptography	en	technology-and-computing	robotsllmsaihumans	emailphone	none
qpqb.org ↗	67 match 2 shared topics	Quantix Protocol — The Quantum-Resistant Blockchain	en	information-and-network-security	robotsllmsaihumans	emailphone	none
quantatech.pro ↗	66 match 2 shared topics	QuantaTech - blockchain	en	information-and-network-security	robotsllmsaihumans	emailphone	none
qsnchain.com ↗	66 match 2 shared topics	QSN - Quantum Sharded Network \| Production-Ready Blockchain	en	technology-and-computing	robotsllmsaihumans	emailphone	none
qlabs.tech ↗	66 match 2 shared topics	qLABS – World’s First Quantum-Native Crypto Foundation	en	information-and-network-security	robotsllmsaihumans	emailphone	none
rcql.com ↗	65 match 2 shared topics	Red Cat Quantum Labs — Post-Quantum Security \| Q-Day Is Coming	Turkey~ en	information-and-network-security	robots llmsaihumans	emailphone	partial · 8
quantumiryx.ai ↗	65 match 2 shared topics	Quantum Iryx Systems \| Cassian Control Plane for the Post-Quantum Era	en	information-and-network-security	robots llmsaihumans	emailphone	none
quencrypted.com ↗	65 match 2 shared topics	Quantum Encryption	en	technology-and-computing	robotsllmsaihumans	emailphone	none
blockchaincommons.com ↗	65 match 2 shared topics	Welcome to Blockchain Commons	en	technology-and-computing	robotsllmsaihumans	emailphone	none
cryptoresearch.com ↗	64 match 2 shared topics	Zero-knowledge Proofs \| Cryptographic Research	en	information-and-network-security	robotsllmsaihumans	emailphone	none
dackjempsey.com ↗	64 match 2 shared topics	Quantum Dempsey – Discussing software, engineering, cybersecurity, and quantum	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
quantumrand.dev ↗	64 match 2 shared topics	QuantumRand — True Quantum Randomness API \| Layer 1 of Qntyx	en	technology-and-computing	robotsllmsaihumans	emailphone	none
crysec.dev ↗	64 match 2 shared topics	3553x’s Blog About Cryptography, Security and Other Things \| crysec.dev	en	information-and-network-security	robotsllmsaihumans	emailphone	none
hadamard.com ↗	64 match 2 shared topics	Hadamard: Hash-Based Layer 2 Blockchain	en	technology-and-computing	robotsllmsaihumans	emailphone	none
tulipds.com ↗	64 match 2 shared topics	sealayer — Every Document. Blockchain Verified. Forever.	United Arab Emirates~ en	information-and-network-security	robotsllmsaihumans	emailphone	none
mictonode.com ↗	64 match 2 shared topics	MictoNode — Professional Blockchain Validator	en	technology-and-computing	robots llmsaihumans	emailphone	none
qsecurity.community ↗	64 match 2 shared topics	Home - Quantum Security	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
qseccommunity.com ↗	64 match 2 shared topics	Home - Quantum Security	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.