TRX Migration On June 25, 2018, TRON’s mainnet was launched, and the ERC20-based TRX has migrated to TRON’s mainnet; therefore, TRON DAO has gradually burnt the ERC20-based TRX. As of now, the total number of ERC20 TRX burnt is 99,188,397,993.45 , accounting for 99.19% of the total supply.