PAX Gold is stablecoin backed by gold. Each PAX Gold token is backed by one troy ounce (t oz) of a 400 oz London Good Delivery gold bar that is stored in a physical vault. PAXG holders own the underlying physical gold that is held in custody by the Paxos Trust Company, which is a regulated financial institution. Paxos specializes in providing custody and infrastructure solutions that enable movement between physical and digital assets.

BitBay is developing a decentralized marketplace based on a non-colateralized stablecoin. Unlike other stabelcoins, BitBay is stabilized with a dynamic peg that is meant to reduce volatility without anchoring the price to another asset. The network has a Proof-of-Stake (PoS) consensus mechanism.

Single Collateral DAI is a decentralized stablecoin that has collateral to back its value and an interest rate mechanism to stabilize its price. It is designed to be a digital currency with a stable value, that is pegged to the US dollar. (1 SAI=$1) MakerDAO is the decentralized autonomous organization that manages DAI and works to combat its price volatility. MakerDAO hopes to enable more decentralized applications by providing a stable digital currency whose value will not be susceptible to drastic fluctuations. The Maker platform itself, is powered by the MKR token, which is not a stablecoin, and has a volatile price because of its role on the Maker platform. In November of 2019 MakerDAO launched the Multi-Collateral Dai (MCD), which will eventually replace the existing Single-Collateral Dai, and will enable the company to offer a wider range of DeFi services.