Our testnet network resets periodically. Nonces in MetaMask do not update automatically and are cached. If you receive failed transaction warnings in MetaMask, please reset your account in the settings > advanced menu.
Connect with the press of a button
Navigate to the connect-nahmii-2 web app. Press on the ADD NAHMII TESTNET and ADD NAHMII MAINNET button. The app will request you to add the selected networks. Approve the requests. The networks should be added to your Ethereum provider.