aelf mainnet upgraded to version V1.8.0

According to official news, the aelf mainnet has been upgraded to version V1.8.0 today. It is reported that this version allows aelf to create and trade NFTs and SFTs in the form of fractions, thereby achieving partial ownership and enhancing asset liquidity. By upgrading to v1.8.0, aelf has broadened the possibilities for NFT project creation, which can be done on any specified chain. Create such assets on the main chain or side chain. In addition, the new version also introduces the batch Token transaction approval function to improve transaction efficiency.