A cryptocurrency is a digital currency designed to be transferred between people in virtual transactions. Cryptocurrencies exist only as data and not as physical objects, so it is not possible to actually have Bitcoin in hand or keep Ethereum in your safe. Ownership of Bitcoin means that you have the collective consensus of all computers on the Bitcoin network that you currently own it and - most importantly - that it was legitimately created by a miner. AvaTrade is an industry-leading broker with some of the best conditions available, including the smallest cryptocurrency spreads on the market.