Published: July 31, 2018 2:21 p.m. ET Bitcoin evangelists tout digital currencies as revolutionary, a technology that could reshape the global monetary system. Pioneered because of a lack of faith in traditional banking, cryptocurrencies will become the new global currency, gold for a millennial age, some devotees argue.
However, the Nobel Prize–winning economist Paul Krugman says that this feverish enthusiasm is ill-informed and that a full-scale collapse of bitcoin
is a real possibility, arguing that cryptocurrencies aren’t solving any problems in the current monetary system, which already boasts seamless and low-cost transactions. Read: Winklevoss: If you can’t see bitcoin at $320,000, you just lack imagination According to data from Blockchain.com, the bitcoin network can currently process between three and four transactions per second, compared with Visa and Mastercard, which can handle more than 5,000 per second.
In his column for the New York Times on Tuesday, Krugman says bitcoin lacks a backstop, or a tether. Fiat currencies, no matter how large the denomination, are a generally accepted means of payment to someone, and gold has traditional uses as jewelry and for filling teeth.
On the other hand, bitcoin usage for real-world purposes is low, and when it is used, it is often for nefarious activity. A January 2018 study concluded that around $72 billion in illegal activity per year involves bitcoin, and in June lawmakers said there had been an increase in criminal activity using virtual currencies.
Total collapse or not, bitcoin has had a lively 2018. At one stage the No. Read more from marketwatch.com…
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