We cannot under estimate the cognitive aspect of cryptocurrency. There are different ways by which you can make your earnings through cryptocurrency. Lookout for the one of interest, learn it and do it well, like know not others. Some of the different aspects are as outlined:
1. Trading
2. ICO investment
3. Bounty
4. Airdrop
5. Mining
Although, there are other ways, but these five areas of specializations are very common.
You may try other aspects, but pick one and do it well like a professional.
Do not mind my grammatical errors please, i am only trying to help the newbies...
Trading- is better than all of your choose. If you can a good trader, easily you can earn extra money.
ICO invest- also good, but its risky. Maximum time rate was downgrade after ICO. But a best ICO can change anyone life.
Bounty- Nowadays bounty cant give enough rewards, a lot f participants join bounty campaign.
Airdrop- airdrop money fully free. Now maximum airdrop is fake. But some airdrops can give more money.
Mining- Mining also good, but all accesories price, electricity bill so costly than Earn. But it will be profitable when price will high.