Coinbase
- Signing
- Keys held in TEE-isolated enclaves, agent never sees material
- Guardrails
- Session caps, per-call spend limits, x402-native settlement
- Chains
- Base, Ethereum, Solana
Tracking 6 active issuers · Updated continuously
Every launch, custody model, and guardrail in the market for wallets that let autonomous agents hold and spend money. Recorded as entries, dated, and compared against the custody documentation rather than the press release.
Section 01
6 entries · newest first · last checked 9 min ago
Section 02
How the four architecture families differ once you read past the launch copy.
Section 03
PRIMER
Autonomy without custody is just an API key. The three properties that separate an agentic wallet from a scripted one.
8 min ·
COMPARISON
Three vendors, three guardrail models. Where each one fails, and what an operator is actually liable for.
11 min ·
RAILS
Payment-native HTTP and agent-to-agent messaging are converging. A map of which issuer supports what.
9 min ·