What is Pillar?
They want to create a blockchain based, decentralized solution where people can easily manage their data preventing it from being concentrated at the hands of a few. This way, users can easily make choices deciding on what and when to share and to whom straight from their Pillar wallet.
In general, Pillar looks at addressing privacy and security concerns, allow integration of several services and actions in the blockchain via smart contracts all this through their native currency, PLR which is an ERC-20 compliant. The founders of the platform wants to create this data locker with the PLR used to settle within the platform.
On the other hand, the free Pillar Wallet for storing the non-mineable PLR is an open source multi-chain wallet for the new improved generation of consumers, governments and companies. While wallet integration is simple and advantageous since it is stand alone and not tied to any exchange, it uses the Proof of Work mechanism for platform security.