Rollup platform Caldera announced the launch of two public testnets (EVM compatible) on Ethereum Goerli and Polygon, allowing developers to deploy smart contracts and connect through common tools such as Ethers.js and Thirdweb. Ordinary users can add testnets to wallets, and The deployed contract interacts. Caldera said the testnet is not an incentivized testnet, and participation does not confer any token rights. In February 2023, Caldera announced that it had completed two rounds of financing of US$9 million, led by Sequoia Capital and Dragonfly, and participated by Neo, 1kx and Ethereal Ventures. Caldera enables blockchain developers to launch high-performance, customizable Layer 2 blockchain Rollups with no code.