Hardware attestation establishes a trust base in the machine itself, without the need for excessive computation or capital. Each machine operates as a representative for human users and provides a default proof of stake that is based on the machine’s commodity value.
This is reinforced by the trust provided by the manufacturer's validation.
The machine can sign the data it produces, and share the signed data on-chain
The machine can further attest the code that it runs, increasing the level of trust in the code