Provided with assets. In this case, each token is provided by precious metal, fiat currency, and other physical assets. An example of this type of stablecoins is Tether, Alprockz, and TrueUSD.
Provided with cryptocurrency. This kind of stablecoins is provided by a more significant and, accordingly, stable cryptocurrency asset with a liquidation premium. An example is Haaven and MakerDAO.
With a mechanism to adjust the volume of the proposal. This form of stablecoins provides an algorithm that is responsible for controlling the stability of the value of the token. This adjustment mechanism is similar to the Central Bank 's policy on fiat currencies. Kowala, Carbon and Basis projects are an example of such steablocines.
Hybrid. The basis of this type of stablecoins is a combination of two or more of the models described above. For example, the Saga project combines the characteristics of tokens that are provided with real assets and has a proposal volume adjustment mechanism similar to the reservation mechanism used by central banks.