> For the complete documentation index, see [llms.txt](https://docs.wing.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wing.finance/reference/changelog-1/flash-pool-ethereum.md). # Flash Pool (Ethereum) | Date | Updates | Before | After | Description | | ---------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------- | | Apr 6, 2021 |

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Launch Wing Flash Pool (Ethereum), Support pWING, pONT, oneWING, USDT, ETH, WBTC

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Distribute pWING incentives based on the median borrow amount from the previous day among pools

Collateral factor: pWING 40%, pONT 60%, oneWING 85%, USDT 80%, ETH 80%, WBTC 75%

Liquidation Bonus：wBTC 8%, ETH 8% , pONT 8% , pWING 8%, USDT 5%, oneWING 5%

| Launched borrowing, lending and insuring features | | | June 21，2021 | Support USDC, DAI, UST | / |

Collateral factor: UST 55%, USDC 80%, DAI 75%

Liquidation Bonus: UST 5%, USDC 5%, DAI 5%

| WIP-34 | | July 6, 2021 | Support xICHI | / | Collateral Factor：**35%** Liquidation Bonus：**8%** | WIP-40 | | August 9, 2021 | Adjust Reserve Factors for | Reserve Factor: All 15% | Reserve Factor: **UST (20%), pONT (20%), oneWING (20%), pWING (30%), xICHI (30%), USDT(10%), USDC(10%)** | WIP-42 & WIP-43 | | August 23, 2021 | Support PAXG | / |

Collateral Factor：50%

Liquidation Bonus：8%

Reserve Factor：20%

| WIP-44 | | August 30, 2021 | Adjust Collateral Factors for ETH, oneWING | Collateral factor: ETH 80%, oneWING 85% | Collateral factor: **ETH 85%, oneWING 80%** | WIP-45 | | September 15, 2021 | Adjust Liquidation Bonuses for ETH, UST, oneWING, pWING, xICHI | Liquidation Bonus: ETH 8%, UST 5%, oneWING 5%, pWING 8%, xICHI 8% | Liquidation Bonus: **ETH 5%, UST 8%, oneWING 10%, pWING 10%, xICHI 15%** | WIP-46 | | October 9, 2021 | Add LINK, UNI, BAL, SNX, SUSD, and xSUSHI to the Wing Flash Pool (Ethereum) for borrowing and lending | / |

Collateral Factor: LINK 65% UNI 55% BAL 45% SNX 50% SUSD 60% xSUSHI 50%

Liquidation discount: LINK 8% UNI 8% BAL 10% SNX 8% SUSD 8% xSUSHI 8%

Reserve Factor :

LINK 20% UNI 20% BAL 25% SNX 25% SUSD 20% xSUSHI 25%

| WIP-47 | | December 17, 2021 | Add oneWING (New), adjust Reserve Factor for oneWING (Legacy) | / |

Collateral Factor: 70%

Liquidation discount: 8%

Reserve Factor : 15%

| WIP-50 | | February 22, 2022 | Adjust Collateral Factors for xICHI | Collateral factor: xICHI 35% | Collateral factor: **xICHI 40%** | WIP-53 | | February 24, 2022 | Adjust Collateral Factors for oneWING (Legacy) | Collateral factor: oneWING (Legacy) 50% | Collateral factor: **oneWING (Legacy) 45%** | WIP-50 | | March 3, 2022 | Adjust Weight for oneWING(New) | Weight: oneWING(New) **10x** | Weight: oneWING(New) **1x** | WIP-50 | | March 10, 2022 | Adjust Collateral Factors for oneWING (Legacy) | Collateral factor: oneWING (Legacy) 45% | Collateral factor: **oneWING (Legacy) 40%** | WIP-50 | | June 2, 2022 | Adjust Collateral Factors for UST and oneWING (Legacy) | | Collateral factor: **UST 0%, oneWING (Legacy) 0%** | WIP-50, WIP-59 | | August 1, 2022 | Optimize the Competitive Distribution Model | Adjustment Cycle: Real-time |

Adjustment Cycle:

7 days

| WIP-58 | | March 16, 2024 | Further Reduction of xICHI Collateral Factor | 35% | 15% | WIP-68 | | June 29,2024 | Adjusting Borrowing Functionality of the xICHI Pool on Wing Finance | / | 0% | WIP-71 |