DevOps by profession
"Cardano brings a new standard in technology – open and inclusive – to challenge the old and activate a new age of sustainable, globally-distributed innovation."
Following on from the Byron era, the Shelley era of Cardano is a period of growth and development for the network. Unlike the Byron era, which began at a single point in time when the mainnet was launched, the transition to Shelley is designed to achieve a smooth, low-risk transition without service interruptions.
Learn more about cardano here.
(1) Local relay used for testing and to submit already signed transactions to the network.
(2) Air-Gapped Machine, never connected to the internet, used to perform secured operations (e.g. create/manage pool certificates, sign transactions, etc.).