"... with new coins “mined” by programmers who solve mathematical riddles.
The coins can then be bought and sold through upstart exchanges...."
At the end he used the word ponzi scheme, and said he was just going to keep his dollar. It was filled with many opinions not facts.
Huh? Which article are you referring to and who is the "he" you cite who is just going to keep his dollar? The article under discussion ends thus, I think:
"The Winklevoss brothers said that this week’s chaotic trading are only “growing pains” like those seen by other young technologies, and not enough to scare them away.
“It has been four years and it has yet to be discredited as a viable alternative to fiat currency,” said Tyler Winklevoss. “We could be totally wrong, but we are curious to see this play out a lot more.” "
I referring to the video in the article on the NYT