# Flash Pool (BNB Chain)

<table><thead><tr><th width="195">Date</th><th>Updates</th><th>Before</th><th>After</th><th>Description</th></tr></thead><tbody><tr><td>Nov 8, 2021</td><td>Launch Wing Flash Pool (BSC), Support WING, ONT, BTCB, ETH, BNB,  USDT , BUSD, USDC, DOT, ADA, BCH, XRP, DAI, LINK, LTC, DOGE, CAKE, FIL</td><td>/</td><td><p>Distribute WING incentives based on the 90th percentile of borrow amount from the previous day among pools</p><p>Collateral factor: <strong>WING 40%, ONT 60%, BTCB 75%, ETH 85%, BNB 75%, USDT 80%, BUSD 70%, USDC 80% , DOT 60%, ADA 65%, BCH 65%, XRP 65%, DAI 75%, LINK 60%, LTC 65%, DOGE 55%, CAKE 55%, FIL 60%</strong></p><p>Liquidation Bonus：<strong>WING 10%, ONT 8%,  BTCB 5%, ETH 5%, BNB 5%, USDT 5%, BUSD 5%, USDC 5% , DOT 8%, ADA 8%, BCH 8%, XRP 8%, DAI 5%, LINK 8%, LTC 8%, DOGE 8%, CAKE 8%, FIL 8%</strong></p></td><td>WIP-33</td></tr><tr><td>January 20, 2022</td><td>Add ONG to the Wing Flash Pool (BSC)</td><td>/</td><td>Collateral Factor: <br><strong>ONG 50%</strong><br>Liquidity Bonus：<br><strong>ONG 8%</strong> <br>Reserve Factor：<br><strong>ONG 25%</strong> <br>Weight：<br><strong>ONG 1x</strong></td><td>WIP-52</td></tr><tr><td>August 1, 2022</td><td>Optimize the Competitive Distribution Model</td><td>Adjustment Cycle: Real-time</td><td><p>Adjustment Cycle:</p><p><strong>7 days</strong></p></td><td>WIP-58</td></tr><tr><td>Aug 6th, 2024</td><td>Proposal to Close BUSD Pools and Gradually Reduce Interest Rates</td><td>/</td><td><p>Adjustment Cycle:</p><p><strong>Two weeks</strong></p></td><td>WIP-73</td></tr></tbody></table>