Firsthand 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.
Firsthand compared with ARIA Protocol
| Detail | 
Firsthand | 
ARIA Protocol |
|---|
| What it does | AI-powered Brand Agents built for marketers and publishers to engage consumers with their knowledge, everywhere.
| Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| MX
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| Pricing model | Contact for pricing
| Open source
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| Pricing | Not given
| Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.
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| Key features | - Shorten the path from interest to action
- Know your customers through rich transcripts
- AI-first data rights management with Lakebed™
- Brand safety controls at every stage
- Deep analysis of user actions performed on the website
- Operates wherever your customers are
- Real-time adaptive brand experiences
| - 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
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| What makes it different | - Industry's first Brand Agent Platform for marketers and publishers
- Full control over brand voice, knowledge, and data while using AI
- Real-time consumer insights through Brand Agent interactions
- Secure data collaboration with Lakebed data rights management
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 35 ▲ +1 (up) since last check | 23 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 7 |
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| Citation Flow (Majestic) | 32 | 20 |
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| Referring domains (Majestic) | 190 | 10 |
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4 details filled in for both companies.
More alternatives to Firsthand More alternatives to ARIA Protocol