According to @justinsuntron, a post on X amplified a user's claim that HTX launched a stablecoin investment product offering 20% APY and described it as the highest current stablecoin interest, with access reportedly limited to Binance’s new stablecoin referred to as “U” (as quoted), source: @justinsuntron on X, Dec 20, 2025. The quoted user further speculated it could be a joint promotion involving Justin Sun and CZ, which is presented as the user’s speculation rather than a confirmed announcement, source: @chaoge_btc via @justinsuntron on X, Dec 20, 2025.