Golem network project based on Ethereum is best presented below:
Polish programmers are one of the best in the world. Consider it to be your assurance of stability...
Invest in projects focused on solving clear problems. When you invest money in cheap projects with very high potential as this one, you can expect huge profits in the long run. Just calculate it...
https://coinmarketcap.com/assets/golem-network-tokens/
Tai Zen gives a great feedback on this topic as well:
Oli Lean (Polish investor)