@chicagoan - what you use to buy these coin/crypto or "value in the cloud"?
I have Dogecoin in RH and recently used Coinbase Pro to get in Matic.
The other one I know is binance.com tara some of my friends are moving away to coinbase pro.

Coinbase and Coinbase Pro both seems better options than RH tara still there are many coins you cannot trade there.

What else there are?