| Sumario: | The article offers information on bitcoins. Bitcoin, a digital cryptocurrency which was launched in the year 2009, has been growing gradually. It is a purely digital currency that allows payments to be sent fast over the Internet with very less fees. Digital wallets with advanced interfaces can be found in app stores, and point-of-sale systems allow businesses to accept bitcoins more readily than earlier. Bitcoin's core innovation, which may prolong its effect beyond digital currencies, is the basis of a famous problem in computer science, the Byzantine consensus problem. INSET: Bitcoin¿s Proof-of-Work.
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