loopXX instructions do not use CPU LSD (Loop Stream Detector) while cmp/jnz construct takes advantage of it. This speeds up some small loops. Also, there are some rules in intel manuals for instructions within cmp/jnz loop like no mismatched push/pop, etc.
This will probably be great for people who trade a lot of cryptocurrencies. In some countries crypto-crypto trading is free from taxation. When cyclic crypto bubble bursts and multi-year downtrend starts, you have to sell those cryptocurrencies for USD and pray exchange does not go bankrupt/hacked/exit scam or withdraw and pay taxes. Right now there are some forms of stable coins issued by private companies with no guarantee of buying back issued tokens. Very unstable market. FBCoin may change this. I believe first customers will be cryptcurrency exchanges.
Well, the point of those payment systems is to make money out of fees and basically control the whole system. You cannot do that with decentralized payment methods.
This. Whenever someone tells me programming is some kind of magic I tell them to write me a note with steps of making pancakes. That's the most basic form of programming I can think of. That opens their eyes.
Well, price has risen not because of businesses across the world adopting the currency but because of only Baidu saying they will accept Bitcoin. That does not justify 50% rise at all.