https://timesnewsexpress.com/news/tech/sources-protego-trust-bank-which-provides-digital-asset-custody-and-trading-services-for-institutional-clients-raised-a-70m-series-a-in-2021-ryan-weeks-the-block/
Sources: Protego Trust Bank, which provides digital asset custody and trading services for institutional clients, raised a $70M Series A in 2021 (Ryan Weeks/The Block)