The Tweet referred to in the question is as follows:
Toward a brighter tomorrow. pic.twitter.com/7FAWC7TS8z
— Vitalik Non-giver of Ether (@VitalikButerin) April 1, 2019
Sun went on to note in the interview that the Tron-based version of stablecoin Tether (USDT) is set to launch on April 9. He claims that the Tron-based version will permit cheaper and faster transactions in comparison to that of Bitcoin (BTC)-based Omni protocol USDT.
The said stablecoin have already make a mark as two major crypto exchanges — Singapore-headquartered Huobi Global and Malta-based OKEx, have announced their support for the Tron-based version of USDT.