There is no better way to learn things than building and experimenting. If Bitcoin and electronics projects are your thing, you should give this Bitcoin Price Ticker project a look. It involves using an Arduino Yun, 6 x 1.2″ LED Matrices, 5V 2A power supply, and a few other parts to build a price ticker that updates Bitcoin prices every few minutes.
JScottMO has shared the instructions and code for this project here. What do you think? Worth a shot?