Special Report: The Highs and Hazards of Bitcoin

Bitcoin has gone from being an experiment in anarchy to becoming a billion dollar online currency. Follow its continuing evolution here

The Evolution of Bitcoin

Bitcoin, the leading online alternative currency, has attracted high-minded entrepreneurs and crooks alike. These are critical times for the cryptocurrency, as economic and technological forces alter its evolution in ways that could lead to its corruption.

IEEE Spectrum provided in-depth reporting as specialized bitcoin-mining computers began to concentrate control of the currency in the hands of a few. And we tapped expert economists to explain Bitcoin’s rapid rise to become a $1 billion currency. We’re also providing ongoing interviews and profiles of the people and start-ups that are finding ways to fix Bitcoin’s weaknesses and working on the next great online currency.

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From virtual wallets to hashes and nonces, follow Alice's payment to Bob, and learn how bitcoins change hands

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illustration bitcoin: cryptoanarchist's answer to cash

Bitcoin: The Crypto-Anarchists’ Answer to Cash

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Bitcoin Data Feed

Graph of Bitcoin transactions per day

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