Coinbase
Bitcoin wallet service Coinbase announced that it’s launching Instant Exchange, which allows users to buy and sell the cryptocurrency while protecting them from its price fluctuations. Prior to launch of this feature, purchasing Bitcoin on Coinbase would take between three and four days for US customers, as the company relied on the ACH bank transfer system to clear payments.   Instant Exchange is available for users with USD, EUR and GBP wallets. Once you’ve ordered Bitcoin through Coinbase, funds will be withdrawn from your local currency wallet immediately. Receiving Bitcoin through Instant Exchange also credits your wallet automatically. The new feature should…

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