TPM

The TPM is a popular security chip that exists in almost every computer and most phones. We rely on each node's TPM to generate Proof of Trust data that can undergo remote attestation by a verifier.

TPM is the main component of the Trusted Computing technology. Here's a good simulator to get some hands on experience with TPM: https://google.github.io/tpm-js/.

For a quick overview of Trusted Computing please go to this Stanford page or for more detail visit the trusted computing group.

For the reasons why we need TPM, you can read about our consensus.

Every node's enclave is protected by a TPM chip, and the mini-runtime runs inside the enclave.