On: Interesting SPI Routing with iCE40 FPGAs

I suppose you could create your own crypto wallet or something, but agreed, an FPGA without I/O is not a very interesting or useful thing. You'd be better off with a conventional microcontroller, I'd think.

> You'd be better off with a conventional microcontroller, I'd think.

Or with a more conventional FPGA development board like Icebreaker:

https://1bitsquared.com/products/icebreaker