ActSeal vs Hafen

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

ActSeal compared with Hafen
Detail	ActSeal	Hafen
What it does	Ed25519-signed receipts for agent actions	The data lake for your agents
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Not given
Pricing	Free: 100 receipts per UTC day. Starter: $19/month via USDC, USDT, or ETH for 500 receipts per UTC day.	Not given
Key features	Issue signed receipts over action hashes Public verification without authentication Payment via USDC, USDT, or ETH Idempotency-Key support for 24 hours stdio MCP integration Issue and consume one-shot receipts	Company and filing data Job market information Pricing data Search rankings Open web data Time-stamped facts Integration with Claude and ChatGPT
What makes it different	Portable cryptographic signatures verifiable by anyone without trusting the agent or service Built specifically for agent stacks and MCP/OpenAPI agents Cross-agent trust without sharing private keys	Consolidates multiple data sources into one unified platform Works with Claude, ChatGPT and custom agents Data is sourced and time-stamped for reliability
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	7 no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	16	15
Referring domains (Majestic)	3	2

3 details filled in for both companies.