Getting Started

Welcome to the mStable docs. This is a live document that will be updated as mStable evolves. Here you will find all the information that you need to know about mStable.

What is mStable?
mStable is an autonomous and non-custodial infrastructure for pegged-value crypto assets. The protocol was created to address three major problems:
Significant fragmentation in same-peg crypto assets (there are currently at least 5 major USD pegged crypto assets on Ethereum, for example)
Lack of yield in fiat currencies and pegged crypto assets
Lack of protection against permanent capital loss in pegged crypto assets
mStable provides a solution to these three problems through the creation of meta-assets, which are fully backed by a diversified basket of existing tokenised same-base assets.
Characteristics
Non-custodial 
Meta-assets are minted or redeemed on-chain via the mStable smart contracts, which are non-custodial. This means that no third party ever takes custody of a user's assets. In other words, mStable is a "peer to pool" protocol, where the pool "lives" in a non-custodial smart contract.
All meta Assets are redeemable for the underlying assets at any time.
Stable
Each meta-asset represents a share of liquidity in the underlying asset pool and is a pegged-value crypto asset in its own right. A meta-asset can be used as a medium of exchange, unit of account and store of value.
This addresses fragmentation in same-peg crypto assets by providing an single meta Asset per peg which unifies any number of underlying same-base assets.
High-yielding
Each meta-asset is designed to produce an outsized native interest rate when deposited in mStable's Save contracts. This rate is derived through the mStable contracts autonomously and programmatically lending underlying assets to third party lending protocols, generating interest income. The mStable contracts simultaneously allow for underlying assets to be exchanged or "swapped" for a fee. All interest and exchange income is automatically and programmatically sent to savers.
Robust 
mStable issues assets that are designed to be more secure than the sum of their parts. Each meta Asset diversifies risk between different asset issuers and stability mechanisms, and caps exposure to any one asset. In the future mStable could offer protection against the peg-loss of an underlying asset through use  of the protocols native governance token to re-collateralize meta-assets.
Decentralised 
The mStable protocol is governed by holders mStables native Governance token, MTA,  who vote on proposals to make important decisions about the protocol.
Every participant who interacts with mStable has the option to earn MTA either through staking, for  providing liquidity (through Feeder Pools or third-party protocols) or by saving mUSD or mBTC through mStable's Save contract. MTA is emitted in this way to facilitate decentralised, collective and user-driven governance. MTA can be staked on mStable for participation in Governance and for rewards distribution.
More information can be found in our Governance Docs.
What meta-assets are currently live?
On Ethereum:
mUSD consisting of US dollar stablecoins (USDT, USDC, DAI, sUSD)
mBTC consisting of tokenised bitcoins (renBTC, WBTC, sBTC) 
On Polygon POS-Chain:
mUSD consisting of US dollar stablecoins (USDT, USDC, DAI)
In the future, new meta Assets may be created. These could include possibilities such as:
mstkETH (staked Ether)
mGLD (Gold)
Use cases
Aside from minting mUSD or mBTC to utilise in DeFi or generate yield with mStable's Save, there are a number of other important use cases for the mStable platform which each contribute to the ecosystem.
mStable's liquidity pools are used to facilitate efficient Swaps between pegged crypto assets, contributing swap fees to savers. 
Arbitrageurs can take advantage of arbitrage opportunities within the mStable pools, generating swap fees and rebalancing the weights of assets in the pools in the process.
mUSD or mBTC can also be used to provide Liquidity in Feeder Pools to earn fees while supporting additional onramps to mStable assets from other same-base assets.
The next section provides details of each asset created by mStable.

Next - ASSETS

mUSD

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Contents

What is mStable?

Characteristics

What meta-assets are currently live?

Use cases