We also have to consider the possibility of facing automated button-pressing systems. A drinking bird able to press the capacitive touch sensor could pass the Cryptographic Attestation of Personhood. At best, the bird solving rate matches the time it takes for the hardware to generate an attestation. With our current set of trusted manufacturers, this would be slower than the solving rate of professional CAPTCHA-solving services, while allowing legitimate users to pass through with certainty. In addition, existing Cloudflare mitigations would remain in place, efficiently protecting Internet properties.