SoFi Technologies said it's adding new private-market funds offering exposure to startups like OpenAI and SpaceX.

Robinhood said users in Europe could trade tokenized versions of popular stocks, including shares of private companies like OpenAI. Here's what to know.

CEO Vlad Tenev defended the firm's tokenized stock offerings of OpenAI and SpaceX, responding to mounting criticism over their structure and investor representation. During a Tuesday interview with CNBC,

As tokenization continues to evolve, success will depend on striking the right balance between innovation and investor protection

Robinhood, the US-based financial services company, introduced stock tokens that would allow retail investors in Europe to get a slice of the price movements of both public and private companies in the US.

Robinhood stock popped this week on news that European users could trade "tokenized" stock in private companies. OpenAI distanced itself from the plan.

OpenAI said Wednesday that it does not endorse the "tokenized" version of its stock that trading platform Robinhood plans to make available to its European users.

Tokenised stocks—a product introduced by online brokerage firm Robinhood in Europe on June 30—allow users in the European Union (EU) to gain exposure to price movements of US-listed public and private companies,