I've read through the white paper and found nothing about DeFi.

We are building a set of smart contracts that let you generate fiat soft pegged stablecoins by looking up collateral like ETH, WBTC and hard assets like gold and silver. I don't think you can be more DeFi than that.

Where are DEXs, liquidity pools, lending protocols to earn interest on your platform?

We are not in the business to create a Dex, there are already great dex's, fantastic liquidity pools and AMM's that we can plug into. there is no need to recreate them.