ActSeal vs Palace

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 Palace
Detail	ActSeal	Palace
What it does	Ed25519-signed receipts for agent actions	Self-hosted memory for AI coding agents
Stage	Not given	Not given
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.	Free / Open Core (€0, unlimited for solo developers). Team (€1,490/year or €104/month for 3 months then €149/month, up to 10 users). Growth (€3,490/year or €244/month for 3 months then €349/month, up to 30 users). Enterprise (custom pricing from €8,000+/year with custom seat counts beyond 30).
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	Not given
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	Fully offline licensing with Ed25519 cryptographic verification Works with any MCP-compatible agent including Cursor, Claude Code, and Codex
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	5 no change since last check
Trust Flow (Majestic)	2	3
Citation Flow (Majestic)	16	24
Referring domains (Majestic)	3	14

3 details filled in for both companies.

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