as we know cryptocurrency is a digital currency that is not under the control of any government it is based upon blockchain technology and bitcoin most popular one nowadays people use it as long term investment instead of purchasing. sometimes invest in cryptocurrency becomes risky when you did not know about it so much if you want to invest in cryptocurrency then remember the following factors
1.life span
how long any cryptocurrency present in his world any new currency rolled out in place of that currency using the tracking system of that currency
2.technology
make sure that cryptocurrency is using black-chain technology because by this technology it is harder for the hacker to steal your digital currency and it made easier to track investment
3.adoption rate
if there is a high level of investment in any currency then it means a large number of people invest in that cryptocurrency so it has good liquidity
here is list of trending cryptocurrency
market cap
*bitcoin $1.075billion
*ethereum $209.464billion
*binance coin $42.304billion
*tether $40.632billion
*cardano $38.188billion
*polkadot $31.349billion
*ripple $24.598billion
*litecoin $13.038billion
*chainlik $11.689billion
*stelar $9.23billion