The crypto space is full of bizarre puzzling terms – blockchain, staking, proof-of-work (most of them we have covered in our articles, by the way :). Mainnet and testnet are among them, and they can be heard quite often: Harmony has a mainnet upgrade, Vesto migrates from testnet to mainnet, etc. Although...

Ethereum testnets are an extremely useful way to create and update Ethereum-based applications and contracts before deploying them to the Mainnet. In terms of cost, they’re inexpensive – since you can use test tokens to work. Moreover, they allow you to avoid gas fees for each transaction if you just...