Bitcoin's invention   (31)   Satoshi Nakamoto, a pseudonym for a person or group who,apart from a 2008 paper introducing Bitcoin, have remained3) and absent, a virtual author.
      Bitcoin is backed by no government, and its value isn't rooted in precious metals.   (33)   ,  it's
distributed across the entire network of users, its roots in complex digital mathematics. Bitcoin supporters say that this makes the currency immune to manipulation by politicians or oligarchs
seeking to move its value up or down for politics or profit.
      "Bitcoin's integrity is guaranteed by the rules of math and the laws of physics," BitPay CEO
Stephen Pair says. Such rhetoric is common in the world of digital currency, where reverence for
Bitcoin has succ ceeded gold for many hard-m money ent nthusiasts. They've entered into an uneasy and unusual alliance   (34)   anarcho-technologists who distrust government authority and believe in
the power of distributed networks and open-source software.
      With govemments' financial and credit tr roubles   (35)   causing major problems for their currencies, global investors are looking for something firmer than the promise of a central bank. In September, Tyler and Cameron Winklevoss--Facebook bridesmaids turned Bitcoin entrepreneurs touted the digital currency as a solution to the world's troubled currency markets. "It's Gold 2.0,"Tyler Winklevoss said.
(Adapted from "Money 3.0: How Bitcoins May Change the Global Economy," by Timothy Carmody:
news.natio ionalgeographic.co om, October 2013)
【題組】31.
(A) is called for
(B) is attributed to
(C) is made from
(D) is accustomed to