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Zeroknowledgeproof alternatives & similar sites

Zero Knowledge Proof – Digital Identity & Data Privacy — 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
emblemapp.com ↗	70 match shared topic	Emblem - Secure Your Digital Identity and Protect Your Privacy	en	information-and-network-security	robotsllmsaihumans	emailphone	none
changefly.com ↗	70 match shared topic	Changefly – Simple, privacy-friendly digital identity	en	information-and-network-security	robotsllmsaihumans	emailphone	none
trueoriginal.com ↗	65 match shared topic	Issue Tamper-Proof Digital Certificates \| TRUE Original	en	information-and-network-security	robotsllmsaihumans	emailphone	none
pingidentity.com ↗	65 match shared topic	Identity Security for the Digital Enterprise \| Ping Identity	en	information-and-network-security Adobe Experience Manager	robotsllmsaihumans	emailphone	none
validatedid.com ↗	65 match shared topic	Validated ID - Electronic Signature and Digital Identity Providers	en	information-and-network-security	robotsllmsaihumans	emailphone	none
nordsecurity.com ↗	65 match shared topic	Digital security and privacy for everyone - Nord Security	en	information-and-network-security Storyblok	robotsllmsaihumans	emailphone	none
proof.com ↗	65 match shared topic	Proof \| Identity-centric security platform	en	information-and-network-security	robotsllmsaihumans	emailphone	none
nordsec.com ↗	65 match shared topic	Digital security and privacy for everyone - Nord Security	en	information-and-network-security Storyblok	robotsllmsaihumans	emailphone	none
imprivata.com ↗	65 match shared topic	Digital Identity for Mission- and Life-Critical Industries \| Imprivata	en	information-and-network-security Drupal	robotsllmsaihumans	email phone	none
eff.org ↗	60 match shared topic	Electronic Frontier Foundation \| Defending your rights in the digital world	en	information-and-network-security Drupal	robotsllmsaihumans	emailphone	none
urldefense.com ↗	60 match shared topic	Proofpoint - ZenWeb™	en	information-and-network-security	robotsllmsaihumans	emailphone	none
trustarc.com ↗	60 match shared topic	Data Privacy Management Software & Solutions \| TrustArc	United States~ en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
proton.me ↗	60 match shared topic	Proton: Privacy by default	en	information-and-network-security	robotsllmsaihumans	emailphone	none
truste.com ↗	60 match shared topic	Data Privacy Management Software & Solutions \| TrustArc	United States~ en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
usercentrics.com ↗	60 match shared topic	Usercentrics \| Leading in Data Privacy & Compliance	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
gnupg.org ↗	60 match shared topic	The GNU Privacy Guard	en	information-and-network-security	robotsllmsaihumans	emailphone	none
ieee-security.org ↗	60 match shared topic	IEEE TCSP - IEEE Computer Security's Technical Community on Security and Privacy	en	information-and-network-security	robotsllmsaihumans	emailphone	none
ssl.com ↗	60 match shared topic	SSL Certificate & Digital Certificate Authority - SSL.com	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.