The Hollywood actresses Gwyneth Paltrow, Reese Witherspoon and Mila Kunis had an important message for women: it was time for them to break into the investment world boys’ club. They should embrace cryptocurrencies such as bitcoin.

In January, Paltrow and Kunis spoke to an audience of 5,000 about the importance of women breaking into crypto investing. “There’s a high probability crypto really will be the future,” said Paltrow. “We have watched a lot of these bros get together and earn a lot of money. I think we deserve to be in this space just as much.”

Paltrow also promoted crypto on Twitter in December as part of a paid promotion for Cash App, a payments company. The Legally Blonde star Witherspoon told her Twitter followers