Altcoin means alternative coin and it is any cryptocurrency other than Bitcoin.
Bitcoin is the first cryptocurrency and altcoins followed. Some are built on the same distributed ledger technology as Bitcoin, while others are created on new platforms such as Ethereum and IOTA.
Most altcoins claim to offer a superior alternative to Bitcoin in terms of cost and speed.
Some examples of altcoins are Ethereum or Ether, Ripple, Litecoin, Dogecoin, Bitcoin Cash and so on.
You may also read DCA.
by Jyotsna V