Solv Protocol announced that it has completed v1.1.0 of its proposed semi-fungible token standard ERC-3525 reference implementation. This version has the following features: Non-upgradeable and upgradeable contract implementation; Openzeppelin’s Counter as the default ID generation method, Solv Protocol The co-founders have now open sourced the code to fellow developers for free. ERC-3525 has both the quantitative capabilities of ERC-20 and the descriptive capabilities of ERC-721, aiming to create an ideal semi-fungible token.