The Bank of Lithuania, Robinhood's lead EU regulator, said it is "awaiting clarifications" regarding the structure of the company's OpenAI and SpaceX stock tokens. Robinhood says its stock tokens give users the ability to invest in shares in the form of blockchain-based tokens.

Robinhood's stock tokenization strategy opens up strong revenue potential but faces medium- to long-term regulatory inhibitions and resistance. See why HOOD is a Hold

Robinhood launched tokenized stocks on June 30, providing EU-based users with blockchain-based access to shares, including those of private companies such as OpenAI and SpaceX. However, OpenAI emphasized that any transfer of its equity requires their approval, which was not given.