[Justin Sun: TRON's Post-Quantum Cryptography Defense Upgrade Now Live on Testnet] TRON founder Justin Sun has confirmed that the post-quantum cryptography defense upgrade developed by TRON Labs is now live on the TRON testnet. This upgrade utilizes a hybrid signature mechanism aimed at addressing security risks posed by future computational breakthroughs. The current core objectives are stress testing for network stability and security audits. The smart contract verification environment has been opened to the public, but no timeline has been set for the mainnet upgrade or fund migration. (Source: Cointelegraph)