OKX and HashKey Capital are investing in Vietnam Prosperity Crypto Asset Exchange, or CAEX, as it seeks to join the Vietnamese government’s pilot programme for regulated digital asset trading. The investment amount was not disclosed.

The two firms are joining CAEX as strategic partners alongside founding shareholders VPBank Securities and LynkiD.

They will inject capital in April 2026 to help CAEX meet the VND 10 trillion, or about US$380 million, minimum charter capital requirement.

This is needed for the exchange to take part in the five-year regulatory sandbox under Government Resolution 05/2025/NQ-CP.

The investment comes as Vietnam moves to formalise a…