Always keep two things in mind before investing in virtual currency market.
1. Always diversify. Never invest in any single coin. Always try to find more than one coin which has a good potential and a decent trade volume in the market.
2. Never invest every single penny of your savings at once. Always, use SIP route. It is known as "systematic investment plan". The basic idea is to invest a certain amount of money at a certain interval. A little Google search will tell you more about this strategy.