The success of the blockchain goes through three stages.

[KakashiG]

To better implement blockchain technology, we've designed PPIO with three distinct phases that slowly introduce complete decentralization. Read the explanation behind our unique strategy http://bit.ly/2UcYmvN

or chat with our developers about it https://discord.gg/xKaB9wu

[Fareedah27]

Privacy Blockchain seems to be the very best of all.. e.g Veil, Monero