again so this investment by goldman might be a turning point, or it might take you back to when rupert murdock invented my space. but it doesn't generate bit coins, but it tries to improve consumer payments using bit coins. the banks are very interested in this, because it allows people to pay use being bit coin without going through a centralized operation like visa or paypal. only one takes bitcoin but the idea that you can and a goods and services using bit coincidental is attractive to poem. >> can you break it down, what is bitcoin? >> well, bitcoin is virtual occurrences, and it allows people to buy things with goods and services. there are bars and public relationses places that allow people to come in. let's say that you don't have a credit card. nyg nine and russia, their credit cards are not accepted in other parts of the world. you want to buy a dell computer and they actually concept bitcoin. you can pay them online, and i don't know what they do with the bit coins when they get them. the idea is there's no central bank they're created online using an algorithm but public interest