The Tor project has announced the introduction of a new encryption scheme, called Counter Galois Onion (CGO) , intended to replace the previous Tor1 Relay method. The update aims to strengthen network security and counter threats from online attackers. The new system has already been implemented in Arti , the Rust implementation of Tor, and in the C version of Tor Relay. According to the development team, the old Tor1 system had three main weaknesses: vulnerability to tagging attacks , lack of forward secrecy , and insufficient authentication strength . Among these, tagging attacks are considered the most significant risk, as Tor1