Ask HN: What are the most critical problems waiting for solution in crypto?

ASIC monopolies, proof of stake, volatility dampening, and everything around protocol upgrades come to mind.

Market manipulation

How the market is being manipulated?

Look into tether, fake exchange volume reporting, and ico scams. There are also plenty of trading bots and highly suspicious consistent activity across the board on every coin.

Every market is manipulated in some fashion but crypto is the wild west of markets and is entirely open to anything (no regulations).

Do you mean encryption or cryptocurrency?

Improved question, in cryptocurrency