Layer1 blockchain project ælf blockchain announced the launch of a major token contract upgrade to enhance the functionality of dApps in the ecosystem. The main upgrades include multi-token contracts, where users can now approve multiple NFTs in NFT collections in bulk, significantly simplifying the token approval process. In addition, the NFT alias function has also been enhanced, allowing items in NFT collections to be given aliases, making these items display as symbols of the collection. These enhancements will optimize processes and enrich functionality.