Golden Finance reported that messaging protocol XMTP tweeted that it has launched the test network with the support of Coinbase Wallet, Circle, ENS, Alchemy, a16z crypto, Mask Network and Faction. Officials said that the small fees paid by the testnet application at USDC will be automatically allocated to the node operator; messages are delivered in milliseconds through the off-chain broadcast network; and consensus on critical states is maintained using Arbitrum Orbit on Base.