Tagged With digital currency

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Bitcoin, the decentralised digital currency, seemed on the verge of disappearing after every scandal, crash or hack. But eight years later, it's not only growing but accelerating, with the price of a single BTC "coin" recently climbing above $5400.

And it isn't the only cryptocurrency; competitors include Litecoin, Dogecoin and Ethereum (a currency that supports "smart contracts"). These graphs, videos and explainers contain everything you need to know.

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While Bitcoin gets all the attention, the blockchain technology it's based on can be used for a wide variety of applications, such as tracking ownership or the provenance of documents, digital assets, physical assets or voting rights. Here are some of the ways blockchains could improve business and government.