@cryptographic... based on the bitcoin present there are above 100 cryptocurrency are there and also day by day some coins closes their market and some are trade in market..bit coin is a old and trusted one to ours because in the eyes of ours the coin value raises and all were get the profit ..present it is in ending stage because of most of the bitcoin traders from chaina and uk are stop tradinds so present the cost of all the coins were down and the next generation coin is ripple and ethurium ..in this the ripple coin is operated by centralised bank of america..and most of few coins trusted and gives some profits to us...thank you for sharing with us..