Bitcoin uses encryption and a shared blockchain database that enables the anonymous transfer of funds outside of a conventional centralised payment system.
LONDON/NEW YORK: As bitcoin raced to another record high on Tuesday, one of the biggest providers of digital currency wallets, Coinbase, went down under the weight of traffic, leaving many of its more than 10 million customers unable to access their funds.
At the same time, Bitfinex, the world's biggest bitcoin exchange by trading volume, said it was under a heavy denial-of-service (DDoS) attack, meaning its servers had been intentionally flooded with junk online requests, taking down its website and crippling its services.
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