Bitcoin is based on the blockchain pipe dream | Nouriel Roubini and Preston Byrne

Overpriced cryptocurrencies owe their diminishing credibility to an over-hyped technology
Predictions that bitcoin and other cryptocurrencies will fail typically elicit a broader defence of the underlying blockchain technology. Yes, the argument goes, more than half of “initial coin offerings” to date have already failed, and most of the 1,500-plus cryptocurrencies also will fail, but blockchain will nonetheless revolutionise finance and human interactions generally.In reality, block