The stellar cryptocurrency is similar to the Ripple cryptocurrency in many ways. Like Ripple, stellar does not require a mining process. All units of stellar cryptocurrency are created initially. They are labeled XLM and STR. Their total number is slightly more than 100 billion (namely 105 443 902 087 coins). The program code is open-source. There is a decentralized exchange of cryptocurrencies inside the stellar system. The transaction of stellar takes no more than 5 seconds. The stellar system easily processes thousands of transactions per second. Stellar has "smart contracts". To write them, the programming language C++ is used. To start working on the wallet stellar XLM balance should be at least 20 coins. So the developers of stellar solved the problem of spam attacks. Participants of the stellar network can carry out ICO of their tokens. In 2018, the number of ICOs based on stellar increased 25 times. To use all the features of the stellar network, you should install a wallet for this cryptocurrency. A total of 14 types of wallets are available to users: among them, there are mobile, desktop and online wallets. In 2018, the stellar price set a all-time high (ATH). For one stellar XLM (STR) on January 3, 2018, $0.89 was given. Although in the spring of 2017 one coin cost only $0.01. The stellar rate depends on the important news. Cryptocurrency stellar becomes more expensive when it is supported by large companies. The news about the cooperation between stellar and IBM had a positive impact on the course. The fall in price occurs at the saturation of the cryptocurrency market. Cryptocurrency stellar is available for purchase at all major cryptocurrency exchanges. It is also available in many exchange offices. As of October 30, 2019, one XLM (STR) cost about $0.065.