what is a testnet?? why Ethereum has more than one test net?? could anyone give me a clear answer and offer me some resources for more education??
Thank you!
Testnet is a new version of blockchain/technology uses for experiment and test purposes.
Ethereum testnets network are also chain(not mainnet) used to create more testings and different application whereas to try out for bugs and other conflicts that may arises from testing.
Here is a good article explaining everything about testnet including related to ethereum network.
https://blog.logrocket.com/top-4-ethereum-testnets-testing-smart-contracts/