𝗛𝗢𝗪 𝗧𝗛𝗘 𝗔𝗗𝗔𝗣𝗧𝗜𝗩𝗘𝗖𝗨𝗥𝗩𝗘 𝗜𝗡𝗧𝗘𝗥𝗘𝗦𝗧 𝗥𝗔𝗧𝗘 𝗠𝗢𝗗𝗘𝗟 𝗠𝗔𝗞𝗘𝗦 𝗝𝗨𝗦𝗧𝗟𝗘𝗡𝗗 𝗗𝗔𝗢'𝗦 𝗦𝗕𝗠 𝗩𝟮 𝗠𝗢𝗥𝗘 𝗘𝗙𝗙𝗜𝗖𝗜𝗘𝗡𝗧 One of the most important upgrades introduced with SBM V2 on JustLend DAO isn't immediately visible to users, but it plays a major role in how efficiently the lending market operates. It's called the AdaptiveCurve Interest Rate Model (IRM). This is an evolution of the Jump Curve model used in SBM V1, designed to make borrowing markets more responsive to real-time demand while keeping liquidity healthy across the protocol. 𝗙𝗶𝗿𝘀𝘁, 𝘄𝗵𝗮𝘁 𝗶𝘀 𝗮𝗻 𝗜𝗻𝘁𝗲𝗿𝗲𝘀𝘁 𝗥𝗮𝘁𝗲 𝗠𝗼𝗱𝗲𝗹? In any lending protocol, interest rates shouldn't remain fixed. If borrowing demand is low, rates should encourage more users to borrow. If liquidity becomes scarce because too many assets are borrowed, rates should rise to slow borrowing and encourage repayments or additional deposits. An Interest Rate Model automatically manages this balance. 𝗛𝗼𝘄 𝗦𝗕𝗠 𝗩𝟭 𝘄𝗼𝗿𝗸𝗲𝗱 SBM V1 used a Jump Curve model. As market utilization increased, borrowing rates gradually increased. Once utilization crossed a predefined kink point, borrowing rates rose much more aggressively. This protected the protocol by discouraging excessive borrowing when liquidity became limited. While effective, the kink itself remained fixed. 𝗪𝗵𝗮𝘁'𝘀 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 𝗶𝗻 𝗦𝗕𝗠 𝗩𝟮? SBM V2 introduces the AdaptiveCurve Interest Rate Model, which keeps the familiar Jump Curve but makes it far more intelligent. Instead of relying solely on a fixed curve, the entire interest rate curve can now adjust dynamically based on market conditions. Think of it as a system that constantly watches liquidity and automatically fine-tunes borrowing costs to keep the market healthy. 𝗛𝗲𝗿𝗲'𝘀 𝗵𝗼𝘄 𝗶𝘁 𝘄𝗼𝗿𝗸𝘀 ➡️When utilization is low There is plenty of unused liquidity sitting in the pool. The AdaptiveCurve shifts the entire interest rate curve downward, reducing borrowing costs. Lower rates make borrowing more attractive, helping idle capital become productive. ➡️When utilization is high A large percentage of available liquidity has already been borrowed. The AdaptiveCurve shifts the entire curve upward, increasing borrowing rates. Higher rates encourage repayments, attract additional suppliers, and help restore a healthier liquidity balance. 𝗪𝗵𝘆 𝘁𝗵𝗶𝘀 𝗶𝘀 𝗶𝗺𝗽𝗼𝗿𝘁𝗮𝗻𝘁 Instead of reacting only after utilization passes a fixed threshold, SBM V2 continuously adapts to market activity. That creates several benefits: ➡️More efficient liquidity utilization across lending markets. ➡️Interest rates that better reflect real-time supply and demand. ➡️Improved capital efficiency for borrowers and suppliers. ➡️Greater market stability during periods of changing utilization. ➡️ A more self-balancing lending protocol without constant manual adjustments. The model is designed to keep market utilization close to an optimal target, around 90%, where liquidity is used efficiently without putting unnecessary pressure on the protocol. This is one of those infrastructure upgrades that may not grab headlines, but it significantly improves the experience for everyone using JustLend DAO. Smarter interest rates lead to healthier markets, better capital efficiency, and a more resilient DeFi ecosystem. As TRON DeFi continues to evolve, innovations like the AdaptiveCurve Interest Rate Model show how JustLend DAO is building a lending protocol that can respond intelligently to changing market conditions. @DeFi_JUST #JustLendDAO @justinsuntron #TRONEcoStar