IOTA (MIOTA) is a relatively new virtual currency in the top 10 global cryptocurrencies. IOTA currency was created at the end of 2015 as a tool for payment on the Internet of Things (IoT). IOTA is a peer-to-peer system based on transactions between users using the Coordinator. Cryptocurrency has a great future since it solves the problem of interconnecting millions of different devices of the Internet of things.

Litecoin (LTC) is a second Bitcoin's fork cryptocurrency after Namecoin. Litecoin is the second most popular cryptocurrency in the world after Bitcoin. The Segwit (Segregated Witness) protocol was used creating Litecoin. It was widely used in Bitcoin forks to solve the problem of scaling and increasing the speed of transactions.

Ripple is a decentralized cryptocurrency which relates to the same name payment system. Ripple is based on a chain of blocks as Bitcoin. This currency exists only in the Ripple system. 1 XRP is divided into a million units called drops. In the beginning 100 billion XRPs were created and according to the rules of the Ripple network protocol it will no longer be created.

Bitcoin Cash is a new cryptocurrency created as a branch of Bitcoin. Cryptocurrency separation occurred due to the necessity of changing old Bitcoin protocol with a new one in order to increase the transaction processing speed. Opinions of market participants have split into two camps and two branches were formed: one branch uses the new SegWit2x protocol and the another uses Bitcoin cash.

Bitcoin cryptocurrency was created by anonymous Satoshi Nakamoto in 2009. The main idea was to create a decentralized database copies of which will be stored by all participants in the system in an encrypted form. Units of payment are bitcoins. Bitcoins are stored on special wallets. All information about the transactions is available in the open mode while the wallets are completely anonymous.