Arc has launched its public testnet, inviting developers and enterprises to build on its new Economic OS, designed to facilitate real-world economic activity onchain. With participation from major financial institutions and diverse global players, Arc aims to create a more inclusive and efficient global economic system. The platform supports stablecoin issuers and provides essential tools for developers to enhance the digital asset ecosystem.

Celestia has introduced mamo-1, a public testnet that features 128MB blocks and achieves a throughput of 21.33MB/s, significantly surpassing the mainnet's capabilities. This testnet allows developers to test high-throughput applications in a more realistic environment, leveraging innovations like the Vacuum! data propagation protocol for enhanced performance and robustness.