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Understanding the applicable mint limit

When multiple native assets are supplied as collateral to mint SuTokens, the system by design gives preference to the homogeneous group over a heterogeneous group while determining the mint limit.
Let us look at a few scenarios;
  • Deposit Asset
Deposit
Intra suLTV
Intra LTV
Inter LTV
Asset Amount
Collateral Value (USD)
USDC
99.70%
90%
70%
1000
1000
ETH
99.70%
80%
70%
1
3000
* These LTV figures are illustrations. Please check protocol parameters for current LTV values

Mint Limit immediately after deposit of asset - SuUSD

SuToken to be minted
SuUSD
SuToken minted against Deposit Assets
0
Homogeneous Deposit Asset Value (USDC)
1000 USD
Mint Limit @ 99.7% Intra SuLTV
997 USD
Heterogenous Deposit Asset Value (ETH)
3000 USD
Mint Limit @70% Inter LTV
2100 USD
Total Mint Limit Available
3097 USD

Mint Limit immediately after Deposit of asset - SuETH

SuToken to be minted
SuETH
SuToken minted against Deposit Assets
0
Homogeneous Deposit Asset Value (ETH)
3000 USD
Mint Limit @ 99.7% Intra SuLTV
2991 USD
Heterogenous Deposit Asset Value (USDC)
1000 USD
Mint Limit @70% Inter LTV
700 USD
Total Mint Limit Available
3691 USD

Mint Limit of SuUSD after minting SuETH

SuToken to be minted
SuUSD
SuToken already minted against Deposit Assets
SuETH
Present Value of Minted SuToken
0.4985 SuETH (1495.5 USD)
Deposit Asset available to Mint (USDC)
1000 USDC (1000 USD)
Deposit Asset available to Mint (ETH)
0.5 ETH (1500 USD)
Homogeneous Deposit Asset Value (USDC)
1000 USD
Mint Limit @ 99.7% Intra SuLTV
997 USD
Heterogenous Deposit Asset Value (ETH)
1500 USD
Mint Limit @70% Inter LTV
1050 USD
Total Mint Limit Available
2047 USD
Overall SuTokens after both Mints
2047 SuUSD, 0.4985 SuETH
The same determination is made when users are borrowing native assets against a homogeneous or heterogeneous group of Deposit assets.