Odaily Planet Daily News According to official news, the IOTA 2.0 test network is now online. This update introduces a decentralized proof-of-stake mechanism, replacing the old coordinator-driven system and eliminating the traditional proof-of-work, enhancing scalability and reducing environmental impact. IOTA 2.0 aims to build a more secure, scalable and environmentally friendly network, inviting the community to participate in testing and improving the process.