Ledger's been losing the wallet UX war to smart contract wallets and MPC solutions for two years — reframing the Nano as the "sudo prompt" for AI agents is a sharp pivot that turns their biggest weakness (requiring physical interaction) into a selling point. MoonPay already shipped the integration in March, so there's actual product behind the press release. The tension nobody's addressing: hardware-enforced spending limits and contract allowlists are just ERC-20 approvals with extra steps — at some point you either trust the agent to operate autonomously or you don't, and requiring a physical button press for every meaningful transaction defeats the entire agentic thesis. Ledger's betting that the middle ground (policy-bounded autonomy with hardware attestation) is where the market lands, but that's exactly the design space where session keys and smart account modules already live without needing a $79 dongle in the loop.

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