The open source privacy project Monero (Monero) will undergo a hard fork upgrade on August 13 (today), and has officially released Monero GUI "Fluorine Fermi" v0.18.1.0 and Ledger Monero App v1.8.0. The official calls on its users, service providers, mining pool operators and trading platforms to run v0.18 to prepare for the upgrade of the protocol. The functions introduced in this hard fork upgrade include: the number of signers for each transaction ring signature will increase from 11 to 16; the original algorithm will be upgraded to Bulletproofs+, the new algorithm reduces the transaction size and improves the transaction speed, The overall performance is expected to increase by 5%-7%; at the same time, the wallet synchronization speed is increased by 30%-40%, reducing fee fluctuations and improving overall network security; adding key security patches and improving multi-signature functions.