Man buys $27 of bitcoin, forgets about them, finds they’re now worth $886k

Two ways to acquire bitcoins
Typically bitcoins are bought using traditional currency from a bitcoin “exchanger”, although due to strict anti-money laundering controls, the process can can be tricky. A user can then withdraw those bitcoins by sending them back to an exchanger like Mt Gox, the best known bitcoin exchange, in return for cash.

However, bitcoin is gaining more and more traction within the physical world too. It is now possible to actually spend bitcoins without exchanging them for traditional currency first in a few British pubs, including the Pembury Tavern in Hackney, London, for instance. On 29 October, the world’s first bitcoin ATM also went online in Vancouver, Canada, which scans a user’s palm before letting them buy or sell bitcoins for cash.

A small group of hardcore users also generate extra bitcoins by “mining” for them – a process that requires computers to perform the calculations needed to make the digital currency work, in exchange for a share of the built-in inflation.

Mining is a time-consuming and expensive endeavour due to the way the currency is designed. Each subsequent bitcoin mined is more complex than the previous one, requiring more computational time and therefore investment through the electricity and computer hardware required.

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