Date of Review: 29/11/17
Name: Digital cash (Dash)
Number of coins: 22,000,000 (one indivisible unit is on the same level as bitcoin 1 satoshi, 1 coin - 100,000,000 Satoshi).
Current capitalization: $ 5,784,044,674
Start date: 18/01/2014
Current lowest price: 750 $ / 0.0666 BTC
Current block height: 778890
Creator: Evan Duffield
Dash was originally created as XCoin (XCO) on January 18, 2014. On February 28, 2014 the name was changed to "Darkcoin". On march 25, 2015 Darkcoin was introduced as "Dash"
Date of Review: 17/11/17
Name: Monero (XMR)
Number of coins: ~ 18 500 000
Current capitalization: $ 1,854,163,535
Start date: (18-25) / 04/2014
Current lowest price: 120 $ / 0.01524380 BTC
Current block height: 1 444 750
Creator: Monero Research Labs / Riccardo "fluffypony" Spagni, Francisco "ArticMine" Cabañas, othe, smooth, tacotime, luigi1111, NoodleDoodle https://getmonero.org/community/team/
Monero is based on cryptonote technology, and it is a bytecoin fork. The creation of the bytecoin began with pre-mining and a bunch of related forks scandal. More information can be found in this post: https://cryptoblog.tech/is-bytecoin-a-scam/. But since the cryptonight technology itself is quite an interesting solution - the community "took" the leadership in its hands and made a fork and a normal crypto-currency that entered the market without any ico and pre-mining and has been modifying the wallets for two years, since vulnerabilities against certain types of attacks were in the core of the monero. At the moment, monero is in the top 10 of the Crypto-currency by capitalization.
Date of Review: 18/11/17
Name: IOTA (MIOTA)
Number of coins: 2,779,530,283,277,761
Current capitalization: $ 2,217,862,260
Start date: 21/10/15
Current price: 0.8 $ / 0.0001 BTC
Current block height: no
Creator: David Sonstebo, Sergey Ivancheglo, Dominik Schiener, Dr.Sc. Serguei Popov.
History: After the creation of the product, beta tests were held for several months. Simultaneously, direct auctions of crypto currency (pre-sale) were conducted within 11 months. In 2017, Iota created a 10 million fund to support its own projects in the ecosystem. Then we entered into a bitfinex stock exchange. At the moment, the crypto-currency is in the top 10 by its capitalization. Some sources say that the tangle technology that underlies IOTA is being developed since 2011 as an alternative to conventional blockchain.