[stonewareslord]

Gridcoin is designed for this. It is based on scientific research and instead of sha256 hashes of random data, coins are earned by proof of your computer doing scientific research.

From their homepage:

> Examples include protein structure prediction (Rosetta@home), mapping the Milky Way galaxy (Milkyway@home), and tackling problems in public health and clean energy (World Community Grid).

[Tepix]

How do you prevent malicious research projects in a decentralized system?

[Forbo]

On-chain voting is used to decide what projects are whitelisted.

[faeyanpiraat]

What would you consider malicious?

[Tepix]

A project that provides credits without doing valuable research.