Backplanes vs ARIA Protocol

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Backplanes compared with ARIA Protocol
Detail	Backplanes	ARIA Protocol
What it does	Intent-based visibility and control for AI agents	Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit
Stage	Not given	Startup
Founded	Not given	2026
Based in	US	MX
Pricing model	Freemium	Open source
Pricing	Know is free with no seats or trial clock. Enforce and Prove is a subscription priced on the agent work you put under control, not per seat. Contact for subscription pricing details.	Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.
Key features	Monitor, warn or block agent actions Policy drafting from observed agent activity Audit trail for every decision One-command installation Local policy enforcement without external calls	W3C Verifiable Credentials (AID format) Four trust levels (L0-L3) with progressive verification DNS anchoring starting at L1 ML-DSA-65 + Ed25519 composite signatures ARIA AP for signed requests and receipts Append-only Trust Ledger with credential lifecycle events Revocation capability with signed status lists Public REST API verification endpoint TypeScript SDK for credential verification
What makes it different	Drafts policies from actual agent behavior before anything is enforced Deterministic, intent-based decisions instead of authorization checks No OAuth into AI providers or agent changes required PII and credentials scrubbed before leaving the machine	Post-quantum native from launch, not a migration plan Governed by nonprofit to prevent capture Complements existing protocols without replacing them L0 credentials issued and verifiable today
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 −1 (down) since last check	23 no change since last check
Trust Flow (Majestic)	5	7
Citation Flow (Majestic)	30	20
Referring domains (Majestic)	88	10

6 details filled in for both companies.

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