Litcoin, Etheriaum, Bitcoin are crypto carenchy when Bitcoin came out, the concept of cryptocourav was unknown. Its process was not easy to get recognition of important public, it took years and centered the focus of the community. Afterwards, driven by the influence of the public network, with the opportunity to get the "easy" money to invest and get the opportunity. If we wish, we can earn Bitcoin, Lytkayen, Iotariam, Digikenay in a very short time, which has a low cost transfer, it can be taken in dollars or development paymentsBachchia-edge hardware development. But as Bitcoin got more popular, the problem started with popping out of his network. Blockchain can not handle the number of transactions frequently, thereby increasing the fees and confirmation times. Blockchain has also been proven to be limited to the other, where alternative coins have proven to have some.