Block.one, the firm developing the EOS ($EOS) blockchain, released version 2.0 of EOSIO, the open-source protocol that supports EOS-based decentralized applications (dApps) and EOS tokens. EOSIO 2 reportedly introduced notable performance and security enhancements to the EOS VM (Virtual Machine). Security improvements included the addition of WebAuthn authentication standards, which allow hardware devices to authenticate and sign transactions in browsers for EOSIO applications "without extensions or extra installed software." The released also included new developer tools, such as the alpha version of the web-based EOSIO Quickstart Web IDE.