How can the terra chain solve the centralized aspect?

Terra is known to have a stronger centralized aspect than Bitcoin and Ethereum.
Currently, supply of ust is increasing, and the more supply, the stronger the pressure on regulators is expected.
I think it can threaten a relatively centralized terra chain.
As a countermeasure against this, I wonder if it is possible to abandon dpos and choose another proof method, and if there is an answer that can maintain scalability while strengthening decentralization by lowering basic node requirements.