Unless I'm reading this incorrectly, two mining pools control over 50% of the hash rate: https://etherchain.org/statistics/miners https://etherchain.org/statis

Unless I'm reading this incorrectly, two mining pools control over 50% of the hash rate: https://etherchain.org/statistics/miners https://etherchain.org/statistics/miners 2/3 of the hashrate from three pools doesn't seem very decentralized.