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Sphira alternatives & similar sites

SPHIRA - Action Authority Protocol — 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
curvyprotocol.app ↗	70 match 1 shared topics	Curvy Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
curvyprotocol.org ↗	70 match 1 shared topics	Curvy Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	none
networksecurityauthority.com ↗	69 match 1 shared topics	Network Security Authority	en	information-and-network-security	robotsllmsaihumans	emailphone	full · 16
quantumauth.io ↗	69 match 1 shared topics	QuantumAuth — A Post-Quantum Identity Protocol for Web3	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
trydevice-authority.com ↗	68 match 1 shared topics	Home - Device Authority	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
trydeviceauthority.com ↗	68 match 1 shared topics	Home - Device Authority	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
bitcann.org ↗	68 match 1 shared topics	Bitcann Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	none
rinexis.com ↗	68 match 1 shared topics	Rinexis — SAP Security & Authorization	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cryptstamp.com ↗	68 match 1 shared topics	CryptStamp — Digital Authenticity Authority	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
newyorksecurityauthority.com ↗	68 match 1 shared topics	New York Security Authority	en	information-and-network-security	robotsllmsaihumans	emailphone	full · 16
theauthorizationgap.com ↗	68 match 1 shared topics	The Authorization Gap \| Beyond SSO	en	information-and-network-security	robotsllmsaihumans	emailphone	none
baseline-protocol.org ↗	67 match 1 shared topics	Baseline Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
ariaprotocol.xyz ↗	67 match 1 shared topics	Aria Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	none
jlinc.org ↗	67 match 1 shared topics	JLINC Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	none
0xpass.io ↗	67 match 1 shared topics	Passport Protocol	en	information-and-network-security	robotsllmsaihumans	emailphone	none
abilenercsociety.com ↗	67 match 1 shared topics	DualRates Security Protection Sentry	en	information-and-network-security	robotsllmsaihumans	emailphone	none
acronis.com ↗	67 match 1 shared topics	Cybersecurity & Data Protection Solutions - Acronis	en	information-and-network-security	robotsllmsaihumans	emailphone	none
riskpriced.com ↗	67 match 1 shared topics	Risk Priced - Prediction Markets Price Protocol Risk	en	information-and-network-security	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.