Opium is a universal and robust protocol that allows for creating, settling, and trading any decentralised derivative.

aunched on 01/08/2019 by a team based in the US, Tellor (a decentralized oracle) aims to address the Oracle problem on Ethereum.

Badger is a decentralized autonomous organization (DAO) with a single purpose: build the products and infrastructure necessary to accelerate Bitcoin as collateral across other blockchains.

Dai is decentralized and backed by collateral. The Maker Protocol, which allows anyone anywhere in the world to generate Dai, aims to facilitate greater security, transparency, and trust.