Hello there! I have a friend who works with bitcoin and it seems pretty interesting. The whole thing seems somewhat confusing for me, could you guys give me a quick rundown of
what it is,how it works,
You might visit this link, your question will be answeredwhat it is,how it works,
https://bitcoin.org/en/
how to earn it, etc? Would be very helpful! Thanks 
https://bitcointalk.org/index.php?topic=1244332.0one of the usefull thread here for those who want to learn about how to earn bitcoin,
i hope this information will help you, goodluck