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Unlimited agent access is a security problem. Scoped credentials are the fix. James Lawton, Head of DevRel at Polygon, on onchain mandates that cap what an agent can spend, where, and for how long, issued by banks and fintechs, and verified cryptographically to block prompt injection and other attacks....

11,218 次观看 • 22 天前 •via X (Twitter)

9 条评论

Neeraj Kumar 的头像
Neeraj Kumar22 天前

@jameslawton @0xPolygon Time, spend, and destination limits are the right defaults for agent credentials.

Fajar M Reza 的头像
Fajar M Reza22 天前

@jameslawton @0xPolygon Scoped credentials turn agent autonomy into a bounded financial and operational capability.

William 的头像
William22 天前

@jameslawton @0xPolygon lol imagine giving an AI unlimited access to your finances and just hoping it behaves 💀 scoped credentials really said not today

RailCall 的头像
RailCall21 天前

@jameslawton @0xPolygon Scoped credentials help, but they don't block prompt injection — that's two layers. A spend cap limits blast radius; it doesn't stop the injection. An injected agent still spends within its cap, on the attacker's target. Scoping bounds the damage. It can't prevent the hijack.

Liam Foster 的头像
Liam Foster22 天前

@jameslawton @0xPolygon the last line hits different. you dont have to trust the reasoning if you can verify the limits. thats such a clean way to think about agent security

AI Apps API 的头像
AI Apps API21 天前

Verify the limits rather than trust the reasoning is the right frame, and cryptographic mandates are a strong version of it. Worth naming the layer underneath too. Spend caps stop the expensive failure. The quieter one is an agent with read access wide enough to pull data it should never have seen, which costs nothing and trips no limit. So scope both directions: what it can spend, and what it can see. The second is usually the one nobody wrote down.

Wrapped 的头像
Wrapped21 天前

@jameslawton @0xPolygon 🍿

Paulo 的头像
Paulo22 天前

@jameslawton @0xPolygon onchain mandates verified cryptographically is wild to me in the best way. prompt injection has been such a headache and this feels like a real path forward

Koda 的头像
Koda22 天前

@jameslawton @0xPolygon so basically the bank issues the mandate and the agent cant go outside those bounds no matter what it thinks is right? that actually makes a lot of sense for fintech use cases

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19,723 次观看 • 1 个月前