She started her own VC firm Serena Ventures back in 2014 investing in various firms including popular Cryptocurrency exchange Coinbase. She said:.
source https://www.google.com/url?rct=j&sa=t&url=https://blockmanity.com/news/exchanges/serena-williams-reveals-her-investment-in-cryptocurrency-exchange-coinbase/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFl3AqGhu70LDJijLrjpJUXfgxjjA
