We built a bitcoin-powered financial stack for businesses.
* Deposit cash, earn up to 3.5% paid in bitcoin
* High yield account, earn up to 11.5%, option to be paid in BTC if you're into that
* Automated bitcoin buys. You can even buy BTC as a % of your revenue, which we think is NEATO
Our name is Castle.

Castle
Castle | Banking that stacks bitcoin, not fees
Earn yield today and accumulate bitcoin for tomorrow — the modern way businesses compound their treasury.