# The Core Architecture Design
## **Decentralized Root-of-Trust (DROT)**
Decentralized Root-of-Trust (DROT) is a core component of the Trusted Execution Environment (TEE) trust chain. Ultimately, user verification relies on remote proofs signed by the CPU, which depend on a set of hardware-stored keys for generation. The hardware components responsible for managing these root keys, verifying firmware and applications, and issuing remote proofs are collectively referred to as DROT.
## **Key Management Protocol**
In the overall design, key management follows the principle of least privilege, meaning that the secrets known by each entity are strictly limited to what is necessary to perform its specific task.
## **TEE Controlled Domain Certificates**
In the solution design, the certificate management module serves as a reverse proxy for applications running on the network. It is important to note that as part of the overall solution, it operates within the TEE and is managed by smart contracts.
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