๐Ÿ‘› Custody for autonomous spend

Where AI agents
keep their money.

Before an agent can pay, it needs a wallet it can spend from โ€” with hard limits, policy controls, and an audit trail, but without holding your private keys. This is the side-by-side of the infrastructure that makes autonomous spend safe.

98.6%
Agent payments settling in USDC
6 traits
That separate an agent wallet from a normal one
MPC ยท AA
Key models: multi-party compute & smart accounts
x402 / AP2
Standards a modern agent wallet should speak

Editorial comparison, refreshed on update. Machine copy: /api/index.json.

What an agent wallet actually needs

A wallet for an autonomous spender is a different product from a wallet for a human. Six traits matter.

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Programmable limits

Per-transaction, per-day, and per-counterparty caps enforced in code, not trust.

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Policy controls

Allow/deny lists, category rules, and mandates ("may spend โ‰ค$X on APIs") โ€” ideally AP2-style.

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Key management

Custodial, MPC, or smart-account (AA) โ€” so the agent signs without ever holding raw keys.

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Multi-chain + asset

USDC on Base/Solana at minimum; ideally other stablecoins and networks.

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Audit trail

Every agent decision and payment logged for reconciliation and compliance.

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Human-in-the-loop

Escalation and approval hooks for spend above a threshold.

The provider scorecard

Wallet & custody infra you can give an agent today. Curated โ€” corrections welcome.

+ Submit / claim
ProviderKey modelControlsSettlesStage
Coinbase CDP WalletsServer / smart accountPolicy engine, spend limitsUSDC (Base)Live
CrossmintSmart account (AA)Delegated keys, limitsUSDC / cardsLive
FireblocksMPCEnterprise policy engine, approvalsMulti-stablecoinLive
Circle Programmable WalletsMPC / dev-controlledProgrammable rulesUSDC / EURCLive
PrivyEmbedded / self-custodySession keys, limitsUSDC (multi)Live
TurnkeySecure enclave / policyFine-grained policy APIMultiLive
SkyfireNetwork wallet + identityAgent identity, spend rulesStablecoinLive
AWS Bedrock AgentCoreManagedPolicy-based controls, auditMultiPreview

Key model / stage are our read of public docs, not endorsements. Full dataset: JSON.

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Agent Wallets is one spoke of the Agentic Finance Index โ€” the full map of the AI-agent money economy.