Monero (XMR) will undergo the next network upgrade on October 17th. This upgrade will introduce the CLSAG signature scheme and other improvements. The official will release the software version required for the upgrade before September 17. At the end of July, the CLSAG signature scheme has been reviewed. Compared with the ring signature currently used in the Monero protocol, the CLSAG signature scheme can reduce transaction space by about 25% and improve verification performance by 20%.