As usual on HN, any submission about Bitcoin is met with concerned comments about its high volatility, present impracticality as a currency, disadvantages versus precious metals, current concentration of transactions in a single exchange (MtGox), potential for market manipulation by governments and/or speculators, etc. This is analogous to being present at the creation of the World Wide Web, but instead of getting ex…
I came across this last night: https://www.youtube.com/watch?v=7fvSYT7vhQY ( https://news.ycombinator.com/item?id=5459304 ) The phrase that really resonated with me was https://www.youtube.com/watch?v=7fvSYT7vhQY#t=404s : "When a few get something for nothing, at some point in a zero-sum game most will get nothing for something". That point may not happen anytime soon, but I think that's a very legitimate concern.
Moreover, the argument that the cited video makes about criminals using the currency (i.e. "honor among thieves" doesn't exist) is fundamentally at odds with the concept of the infinitely iterated prisoner's dilemma. That's why the whole concept of "reputation" envolved (in Nature and online). Someone with 98.7% positive feedback might screw you to save $50, but doing so would not be beneficial in the long run.