People we are all arguing that 80-90% of projects are scam startups. But in order to avoid it, we just need to invest only in ICOs, which use Escrow. That's it.
No product progress = no money.
the best way to avoid a scam ICOs is don't invest in ICO. But in exchange, you will be lost a lot of chance to get a profit from good ICO. The ICO market has exploded in 2017, but not this year. This year is a very difficult year for ICO