Validator Uptime Penalty
A Validator Uptime Penalty is a disciplinary mechanism in proof-of-stake systems designed to ensure high availability and network reliability. Validators are expected to remain online and perform their duties, such as signing blocks and participating in consensus, consistently.
If a validator experiences downtime, the protocol records their absence and applies a financial penalty to their staked balance. This ensures that the network does not suffer from reduced throughput or stalled consensus due to unresponsive nodes.
The severity of the penalty often scales with the duration of the downtime to discourage persistent negligence. By imposing these costs, the system incentivizes professional-grade infrastructure and robust connectivity from all active participants.