Countersign Network
Countersign Network is a cross-vendor control plane that applies policy, freezing, and tamper-evident audit logging to AI-agent spending.
MoneyBeta
Agents get a cross-vendor spending control plane with policy evaluation, a sub-second freeze switch across Coinbase, Turnkey, Openfort, and Lithic backends, and a tamper-evident audit ledger, exposed through an SDK and MCP tools.
- Offering type
- rail
- Custody model
- not published
- Partner bank
- not published
- FDIC passthrough
- not published
- Rails
- CoinbaseTurnkeyOpenfortLithic Visax402AP2
- Spend controls
- unified policy evaluation, cross-backend freeze switch, fail-closed transaction decisions, tamper-evident audit ledger
- Fees
- not published
- Who can open
- not published
- Integration
- API, SDK, MCP
- Pricing
- not published
Gotchas
- The published implementation is testnet-only; the project says mainnet follows a third-party security audit.
- Countersign does not custody funds; it governs spending across external wallet and card backends.