Odaily News According to official news, Polygon announced that the latest upgrade test of its protocol will be conducted exclusively on the new, Sepolia-anchored Polygon PoS test network Amoy and Polygon zkEVM test network Cardona. Amoy and Cardona will provide dApps, smart contracts and other The function provides a safe and stable testing environment. Polygon said that this change is in line with the Ethereum Foundations decision to stop supporting the multi-client test network Goerli. According to previous news, support for the Goerli test network will end one month after the Dencun upgrade is activated on the main network, and then the Polygon protocol will be deprecated. Testnet anchored with Goerli.