🥓 add some notes on stablecoins

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## 💰 Stablecoins ## 💰 stablecoins
<br> <br>
### Fiat-collateralized stablecoins ### tl, dr
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#### fiat-collateralized stablecoins
* Fiat-collateralized stablecoins are stablecoins that are backed by fiat currencies like the US dollar. * Fiat-collateralized stablecoins are stablecoins that are backed by fiat currencies like the US dollar.
* Their reserves are held by a central entity. The most popular fiat-backed stablecoins at this time are USDC, USDT, and BUSD.  * Their reserves are held by a central entity. The most popular fiat-backed stablecoins at this time are USDC, USDT, and BUSD. 
* The main weakness of fiat-collateralized stablecoin is centralization as the collateral of a fiat-collateralized stablecoin is held by one independent party. * The main weakness of fiat-collateralized stablecoin is centralization as the collateral of a fiat-collateralized stablecoin is held by one independent party.
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### Cryptocurrency-backed stablecoins #### cryptocurrency-backed stablecoins
* This motivated the development of more decentralized, cryptocurrency-backed stablecoin. * This motivated the development of more decentralized, cryptocurrency-backed stablecoin.
* The main player in this category today is MakerDAOs Dai stablecoin. * The main player in this category today is MakerDAOs Dai stablecoin.
* While crypto-backed stablecoins are good for their decentralization, they are capital inefficient. ' * While crypto-backed stablecoins are good for their decentralization, they are capital inefficient. '
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### Decentralized (algorithmic) stablecoins #### decentralized (algorithmic) stablecoins
* The average consumer or institutional investor would rather mint 1:1 through a centralized fiat stablecoin than have to over-collateralize by at least 150% to issue a decentralized stablecoin. * The average consumer or institutional investor would rather mint 1:1 through a centralized fiat stablecoin than have to over-collateralize by at least 150% to issue a decentralized stablecoin.
* For this reason, developers set out to create non-collateralized (or algorithmic) stablecoins. * For this reason, developers set out to create non-collateralized (or algorithmic) stablecoins.
* These coins maintain their peg without having to directly collateralize the issuance. * These coins maintain their peg without having to directly collateralize the issuance.
* The two largest forces in the market in this category are Terra and Fei. * The two largest forces in the market in this category are Terra and Fei.
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### resources
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* [high level intro from ethereum.org](https://ethereum.org/en/stablecoins/)