Ethereum Testnets What is testnet? Using Testnets MetaMask and Testnets Getting test-ETH - Testnet Faucets History of Ethereum Testnets https://www.ethnews.com/ropsten-to-kovan-to-rinkeby-ethereums-testnet-troubles Proof-of-Work (Mining) vs. Proof-of-Authority (Federated Signing) Morden https://blog.ethereum.org/2016/11/20/from-morden-to-ropsten/ Ropsten http://pool.ropsten.ethereum.org/ https://ropsten.etherscan.io/ Kovan https://medium.com/@Digix/announcing-kovan-a-stable-ethereum-public-testnet-10ac7cb6c85f https://kovan-testnet.github.io/website/ https://kovan.etherscan.io/ Rinkeby (Clique?) https://www.rinkeby.io/ https://rinkeby.etherscan.io/ Virtual Machine and Cloud Deployment Launching a testnet with Docker Launching a testnet on AWS or Azure