After rading details about how nodes will work I have a couple questions.
Under what circumstances can a node go offline without being punished?
Is it possible to have a spare node to replace a failed node in the event the hardware breaks or otherwise replace a failed node without penalty?
Context for my question
“First, for a node to become a worker eligible to run computations, it must first securely generate an Ethereum compliant ECC key-pair to be used as a persistent identity. This key-pair is generated inside an SGX enclave, and should never leave it. To persist across sessions, we will seal the key in the host’s system.”