Here are some popular types of stablecoins-
Fiat-backed stablecoin
A fiat-backed stablecoin is a digital currency that is backed by a reserve of real-world fiat currency, such as the US dollar.
Gold-backed stablecoin
A gold-backed stablecoin is a digital currency pegged to gold’s price.
Crypto-backed stablecoin
A crypto-backed stablecoin is a type of digital currency that is backed by a reserve of cryptocurrencies.
Commodity-backed stablecoins
A commodity-backed stablecoin is a digital currency that is backed by a physical commodity, such as gold or silver.
Algorithmic Stablecoins
Algorithmic stablecoins are a type of cryptocurrency that is price-stable.
Explore more here : Types Of Stablecoins