The cryptocurrency Groestlcoin appeared in 2014. In the first year of its existence, experienced two hard forks, but continues to develop successfully. The main goal of the coin makers is to provide equal mining opportunities for each user and promote cryptocurrency to the masses. The system supports the Proof-of-Work (PoW) algorithm and is used to transfer funds between system participants quickly and securely. Analysts point out that the transfer fee is very small, which makes Groestlcoin a convenient platform for traders who love to play on the price changes of various cryptocurrencies. The described blockchain network has the following advantages: accessibility for the average user; decentralization; protection of the system from hacking; the presence of its own mining algorithm - Groestl; the presence of several types of purses for storing earned currency. Among the advantages of the platform it can also be noted the working system Lightning Network. This data transfer algorithm allows to reduce the commission for transfers and speed up the exchange of information between users. Using the Lighting Network allows you to develop not only the Groestlcoin platform but also to popularize the blockchains in general.