# OLD: V1-V2 Pools

This page refers to the information about old V1-V2.1 pools.

The pools below are the old V1-V2.1 ones.

Asset | Contract Address |
---|---|

wstETH | |

USDC | |

DAI | |

FRAX | |

WBTC |

Capital is required for traders and farmers to get leverage for their financial operations. For this, there are Liquidity Pools: anyone can become a liquidity provider by supplying assets in the Liquidity Pool. The profitability of LPs depends on the pool utilization ratio

*U*- the higher utilization, the higher interest rate. See a bit more on the Protocol Fees page.Borrow APY is calculated according to formula

$r(t) =
\begin{cases}
r_0 + \frac{U(t)}{U_1}\left(r_1-r_0\right), & U(t) \le U_1\\
r_1 + \left(U(t)-U_2\right)\frac{r_2-r_1}{U_2-U_1}, & U(t) \in (U_1,U_2].\\
r_2 + \left(U(t)-U_2\right)\frac{r_3-r_2}{1-U_2}, & U(t) > U_2.\\
\end{cases}$

Asset pool | r_0 | r_1 | r_2 | r_3 | U_1 | U_2 |
---|---|---|---|---|---|---|

USDC | 0 | 1 | 1.25 | 100 | 70 | 90 |

DAI | 0 | 1 | 1.25 | 100 | 70 | 90 |

FRAX | 0 | 1 | 1.25 | 100 | 70 | 90 |

wstETH | 0 | 2 | 2.5 | 60 | 70 | 90 |

ETH | 0 | 2 | 2.5 | 60 | 70 | 90 |

WBTC | 0 | 2 | 2.5 | 60 | 70 | 90 |

**Latest update**: governance voting to change pool interest rate curve parameters and make the curve more flat as a bootstrap mechanism for V2 Leverage Ninja launch. See the logic.Asset | Pool max | Min pers borrow | Max pers borrow |
---|---|---|---|

USDC | N/A | 60,000 USDC | 1,000,000 USDC |

DAI | N/A | 60,000 DAI | 1,000,000 DAI |

FRAX | N/A | 100,000 FRAX | 1,000,000 FRAX |

wstETH | N/A | 75 wstETH | 600 wstETH |

WETH | N/A | 30 WETH | 600 WETH |

WBTC | N/A | 2 WBTC | 50 WBTC |

**Latest update****:**pool limits are effectively lifted. Any actual caps are just required by the architecture to have *some* number and can be lifted without a vote if the TVL approaches them. As for the min-max personal borrow limits, they have been established by another vote: GIP-21, then GIP-71.Last modified 2mo ago