If you’re wondering how to buy or sell Bitcoin in the UK literally, your best bet is marketplaces like BitBargain and Bittylicious, or LocalBitcoins if you’re buying or selling with cash. Alternatively, you can use one of the Bitcoin ATM installations in the following cities: Bitcoin ATM installations in the United Kingdom. Source How to sell BTC - UK : Bitcoin Bitcoin is a distributed, worldwide, decentralized digital money. Bitcoins are issued and managed without any central authority whatsoever: there is no government, company, or bank in charge of Bitcoin. You might be interested in Bitcoin if you like cryptography, distributed peer-to-peer systems, or economics.