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.
Cryptocurrencies are sometimes referred to alternative currency or virtual currency. A number of coins already exists under the banner of cryptocurrency. The most used crypto coin is bitcoin, it was first started in 2009 and was the first decentralized cryptocurrency. The decentralized control of bitcoin uses blockchain method which uses transaction database as a distributed ledger.