@User they also have a utility
Node monitor. tool to keep track of a set of nodes, and see if they keep in step or if they go out of consensus.
Nodes are basically what blockchains are based on. Each node keeps the whole record of the blockchain which is distributed among peers. P2P.
Automated alertsĀ #21 using grafana:
https://github.com/ethereum/nodemonitor/issues/21