ChainCatcher news, according to the official announcement, Celestia has launched the mamo-1 public testnet, supporting a block size of 128MB and providing an unpermissioned data throughput of 21.33MB per second, which is 16 times the current 8MB block of its mainnet.The testnet consists of 21 validator nodes distributed in Amsterdam, Paris, and Warsaw, simulating a real-world network environment.