@ some writers here:

Please don't give that bad advises to a newbie by telling him, he should buy waves, only because you bought some without understanding how it works! Waves isn't a good investment. When people will understand, that the wave-exchange is NOT decentralized and that you give AWAY YOUR CONTROL over your coins when you use it, the price will fall back to a deep, stagnating level. Thats why BLOCK is rising very strong in the last weeks. BLOCK is the true decentralized exchange, which gives you FULL CONTROL over your coins. But I won't be that kind of fool to advise a newbie to buy some BLOCK now, because of the strong rise in the last weeks (even that I believe, that the price will increase further on...) but to give an advise at the moment for buying BLOCK seems a bit too risky. Not for longterm, but for shortterm. And I don't want to frustrate a newbie by a maybe loss of 30% in the next weeks. He won't care for a 300% profit later, because he would have quit the game before.
Be careful!