Yeah, i read this article too. They picked the ICOs that had a minimum market cap of $50M and were expected to go into active trading and categorized them into six different groups: Scam, Failed, Gone Dead, Dwindling, Promising, and Successful.The study results reveal that of the whole pie, a whopping 81 percent of the ICOs turned out to be scams. Another 6 percent fell into the Failed category, and 5 percent had Gone Dead, taking the total for “Failure to List” group to 92 percent.

Question probably has been asked many times, but what is the min contribution for ico?

Oh, finally someone figured out that all these storages built on 'anyone-can-keep-my-files' are such a fail. I know a little bit about professional hosting, u know... so keep it up, we'll see what you can do... but I loved the Filecoin idea, such a pity they've screwed it up

No problem! First a random smallest unit of the system is being chosen – Satoshi – it has its own serial number. The protocol determines who owns this Satoshi and this user receives the right to create a block.