Lets share something about crypto-currencies today....
There are about over 1,000 {1 thousands } dicentralized digital currency in {block chain market}
Forexample:- #steem
-#dogecoin
-#etherium
-#bitcoin
-#litecoin and others....
Bitcoin (BTC) was the first crypto- currenciency to be discovered.
Founded by Satoshi Nakamoto....
In 2009 this was a year when Bitcoin (BTC) was published.
At that time 1 Bitcoin (bitcoin) didn't worth even 1USD.
Up to now 1 BTC worth more than $4,000.
Usually these Crypto-currencies are not stable.
Due to this fact Traders of bitcoin benefit from holding them & sell high.
Forexample; -When Crypto-currencies go down ... Buy & hold
-When Crypto-currencies go up.... sell high.