Odaily Planet Daily News Sam Altman-backed Worldcoin has officially changed its name to World Network (World for short), and its Layer2 network World Chain mainnet has been launched. Optimism, Alchemy, Uniswap, Safe, Dune and Etherscan will support the launch of the blockchain. The blockchain is built using OP Stack, and World Network said that user transactions account for about 44% of OP Mainnet activity, making it the largest application on the network. (The Block)