async void Start()
{
string chain = "ethereum";
string network = "rinkeby"; // mainnet ropsten kovan rinkeby goerli
string account = "0x2aF598ed8104483776661643BCD4995036205760";
string balance = await EVM.BalanceOf(chain, network, account);
balanceTxt.text = balance;
}
async void Start()
{
string chain = "rootstock";
string network = "testnet";
string account = "0xdD4c825203f97984e7867F11eeCc813A036089D1";
string rpc = "https://public-node.testnet.rsk.co";
string balance = await EVM.BalanceOf(chain, network, account, rpc);
print(balance);
}