Is this USD Yield safe?

Pluang collaborates with Alpaca Securities LLC, an American broker that operates in accordance with the regulations of the United States Securities and Exchange Commissions (SEC) and the Financial Industry Regulatory Authority (FINRA).

Your USD balance will be stored in a trusted US Custodian Bank, BMO Harris with a health rating of AA- from Fitch Ratings. So your USD assets are guaranteed to be safe in a trusted official custodian..