Basically, fog forms when warm air meets colder air. When this happens, water vapor in the air â a gas â is cooled enough for the gas to turn to a liquid in the form of tiny water droplets. This process is called condensation.. We see those groups of tiny droplets as clouds or, when they're close to the ground, as fog.
What is a 'Cryptocurrency'. A cryptocurrency is a digital or virtual currency that uses cryptography for security. A cryptocurrency is difficult to counterfeit because of this security feature. A defining feature of a cryptocurrency, and arguably its most endearing allure, is its organic nature; it is not issued by any central authority, rendering it theoretically immune to government interference or manipulation.
As of 2015, cryptocurrency has been used as a decentralized alternative to traditional fiat currencies (which are usually backed by some central government) such as the US dollar (USD). For the average person using cryptocurrency is as easy as:1  Get a digital wallet to store the currency.ryptocurrency is a digital currency that uses encryption (cryptography) to generate money and to verify transactions. Transactions are added to a public ledger â also called a Transaction Block Chain â and new coins are created through a process known as mining.