On November 6, 2025, according to The Block, Aave Labs, the team behind the leading lending protocol Aave, has made a rare "heavy bet": acquiring the team and technological assets of the on-chain lending project Avon. The deal reportedly bundled together its fixed and floating rate agreements, on-chain order book, domain name, and related assets. Avon founders Prince Sinha and Ayush Kaul will also directly join Aave Labs' engineering team—this is not just a simple technology licensing arrangement, but the incorporation of a complete fixed rate laboratory. For a DeFi lending market that has long relied on liquidity pool floating rates, with interest rates fluctuating drastically based on utilization rates, fixed rates have always been a pending issue: without scalable fixed rate tools, it is difficult to construct a complete and predictable interest rate curve on-chain like traditional finance, which in turn lacks a solid interest rate benchmark to support more complex trading structures such as arbitrage, basis, and asset-liability management. Aave's bet on Avon now fundamentally aims to seize the pricing power of the "on-chain interest rate curve" through acquisition—once fixed and floating rates are integrated within its network, there is an opportunity to form a clear and continuous interest rate structure on-chain for the first time, and this curve will directly become an important input variable in the valuation models of BTC, ETH, and DeFi blue chips, reshaping the risk premium, term structure, and the logic of capital allocation between "risk-free rates" and high Beta assets. It is important to note that the current details of this transaction primarily come from a single report by The Block, which has been amplified by several Chinese media outlets as a signal that “the DeFi fixed rate era has begun,” while what truly deserves attention is whether this acquisition can genuinely transform fixed rates from narrative to an on-chain pricing foundation, thereby rewriting the yield structure and valuation framework of crypto assets in the next macro cycle.

DeFi's Shortcomings in the Floating Rate Era

For a long time, on-chain lending has been almost monopolized by a "floating rate paradigm": from Aave to Compound, mainstream protocols are centered around liquidity pool models that adjust lending costs in real-time based on fund utilization rates. This design is extremely efficient in periods of ample liquidity and high risk appetite, but the cost is that interest rates themselves have become highly volatile assets—once sentiment reverses or liquidity withdraws, borrowing costs will shoot up steeply along the utilization curve, and long positions must endure soaring funding rates while prices fall, making it nearly impossible for on-chain participants to lock in long-term funding costs in advance.

The lack of credible fixed rate tools directly compresses the playable space of the DeFi interest rate market. For funds attempting to manage leverage, hedging, or term mismatches on-chain, the absence of stable interest rate locking mechanisms makes it difficult to construct structural strategies akin to those in traditional finance, such as "borrowing short, investing long" or "receiving fixed, paying floating"; asset-liability management can only remain at the short-term rolling adjustment level, with no clear interest rate curve to plan against. Especially in the context of macro uncertainty and drastic interest rate fluctuations, all risk assets on-chain—including BTC, ETH, and DeFi blue chips that rely on lending—experience their own price volatility superimposed over the drastically changing funding rates, leading to an overall amplified risk premium, causing truly willing long-term investors and large funds to prefer sitting on the sidelines rather than exposing both duration and leverage to such a completely floating rate environment.

The Real Bet of Aave Acquiring Avon

Aave's choice to acquire instead of developing in-house is, in fact, an acknowledgment of a reality: fixed rates are not an "upgraded switch on existing liquidity pools", but a complete underlying reconstruction from discount curve design, liquidity management upon maturity to liquidation mechanisms. If built from scratch at the traditional DeFi pace, Aave would spend several quarters on technical validation and risk parameter iteration; by the time it completes a whole long-term interest rate engine, the interest rate cycle and market narrative might have already changed once. This transaction in November 2025, reported by The Block, directly integrates Avon's mature fixed and floating rate lending agreements, on-chain order book, domain name, and related assets into Aave’s system, essentially buying time with capital: seizing the opportunity to acquire a runnable fixed end infrastructure in a window where the on-chain interest rate curve hasn't yet been "set in stone" by anyone, rather than slowly prototyping it.

The composition of the asset package indicates that Aave's product intention is not just to fill a “fixed rate entry.” Avon not only has a fixed rate agreement but also a floating rate module and on-chain order book, which means Aave wants to combine existing liquidity pool-style floating rates with Avon's structure, closer to the order book/maturity structure, to create a continuous “interest rate curve” that transitions from short-term floating to long-term fixed, thereby allowing funds with different durations and risk appetites to match within the same network. More critically, this is not just a simple technology licensing: Avon founders Prince Sinha and Ayush Kaul will be integrated with their entire team into the Aave Labs engineering line, with fixed rate design and risk control capabilities fully internalized as Aave's organizational assets, rather than outsourced modules. Moving forward, the core competition for on-chain interest rates will no longer be who has a larger liquidity pool, but who can provide BTC, ETH, and various leveraged positions with more predictable and tradeable cost benchmarks along this curve, which is the true pricing power Aave aims to take from its bet on Avon.

Fixed Rates on-chain, Who's Yield Differential Changes?

Once Aave integrates Avon's fixed rate capabilities into mainstream lending networks, usable and reliable on-chain fixed rate tools will first rewrite the funding structure for market makers and arbitrageurs. In the past, they could only "gamble daily" within floating rate pools; now they can lock in financing costs just like traditional interest rate trading desks and then profit from the more volatile floating and price sides: locking in funding costs with long-term fixed borrowing, rolling through short-term floating rate pools to earn term spreads; or conversely, using fixed rate assets as collateral to venture into the floating rate market to go long on BTC, ETH, and their perpetual contracts, engaging in "long volatility, short rates" basis trades. Institutional funds can directly embed this tool into asset-liability management: fixed rate borrowing provides them with predictable liability curves, while interest rate swap-like structures could potentially be reconstructed on-chain, making arbitrage trading no longer just a simple "collateral mining" activity, but a comprehensive approach surrounding "fixed vs floating" and "short-term vs long-term" across the entire curve.

For on-chain "quasi-sovereign bond" assets and yield-bearing protocol tokens, fixed rates become the rewriting button for the pricing framework. Current assets like dollar-pegged asset vaults, staking yields, and blue-chip lending pools are essentially temporary yield curves created from floating rates and are difficult to serve as solid discount benchmarks; once large-scale fixed rates appear, longer-duration and higher-credit interest rate assets will naturally be seen as “on-chain treasury bonds,” and the premiums and discounts of other yield-bearing tokens will need to re-align around this curve. The leverage costs of BTC and ETH will also be more clearly anchored: longs can borrow currencies or dollar-denominated assets at long-term fixed rates to leverage their spot holdings, forming a triangular relationship with the funding rates of perpetual contracts and staking yields; shorts can hedge funding rate volatility by holding fixed rate debt. In the long run, when fixed rate products mature and tradable term spreads appear on-chain, yields of dollar-pegged assets, staking yields, and floating lending rates will compress into a “risk-free yield benchmark curve," wherein any risk premium targeting BTC, ETH, or protocol tokens must find its place on this curve.

Interest Rate Upgrade and BTC/ETH Pricing

As Aave completes its fixed rate capabilities, transitioning from a “single floating pool” to a rate network covering term structures, its own risk premium, along with those of other DeFi blue chips, will be re-evaluated in relation to BTC and ETH pricing. In the past, tokens like AAVE were perceived as “high Beta tech stocks,” following BTC/ETH sentiment fluctuations, but now they acquire a new layer of “interest rate infrastructure stock” attributes— the more on-chain funding costs reference the interest rate curves of leading protocols like Aave, the closer they get to the valuation logic of traditional finance's exchanges and clearinghouses. When the curve is upward, the lock-in of low-risk yields raises the entire market's discount rate, forcing BTC/ETH to provide higher expected returns to cover opportunity costs. Some funds will flow back from spot and high-leverage strategies to interest rate products, while DeFi blue chips will benefit more directly from a “earning spreads” business model; when the curve is downward, the on-chain “risk-free yield” declines, the valuations of interest rate-sensitive assets expand, and BTC/ETH, in turn, becomes more likely to receive spillover funding from the interest rate side.

A more mature on-chain interest rate market will also change the leverage structure and volatility characteristics of BTC and ETH. Once fixed rates can be scaled, professional traders can lock in long-term financing costs on Aave and then amplify their exposure to BTC/ETH in the secondary market: in a bull market, this certainty in financing will encourage more aggressive long leveraging, pushing premiums on the spot and perpetual contracts; in a bear market, the same mechanism will exacerbate sell-offs, with fixed costs added to falling prices, forcing stronger deleveraging. Moreover, when institutional and quantitative funds enter the on-chain space, they typically look at interest rates and credit risks first; the completeness of fixed rate tools directly determines how much they are willing to include BTC/ETH into cross-market spread and basis strategy combinations. Once more institutions view Aave's interest rates as the cost of capital benchmark, the risk premium of BTC/ETH will be incorporated into a more “traditional” asset pricing framework: in the long run, this is conducive to compressing irrational premiums and boosting connectivity to macro interest rates, while in the short term, every perturbation of the interest rate curve may lead to larger-scale on-chain position rebalancing.

Key Observation Points in the Next DeFi Interest Rate War

If Aave can indeed leverage Avon to transition from a floating rate leader to an “entire curve” interest rate platform covering short-duration liquidity pools and long-term locking demands, this acquisition will not merely expand the product line, but result in a reordering of the pricing power across the entire DeFi interest rate market. The most crucial variables moving forward are threefold: first, when and in what form Aave's fixed rate products will genuinely come to fruition—currently, there is no timeline for completion or scope of supported assets in the public information, indicating that the progress itself embodies transaction risk; second, the outcome of competition with existing fixed rate agreements—previous attempts have failed to create an interest rate market close to traditional finance’s scale and depth; whether Aave can leverage its massive size to penetrate this “adoption ceiling” depends on actual TVL and trading depth, not just announcements; third, the substantive impact on the shape of the on-chain interest rate curve—only when both fixed and floating ends can be scaled, will the interest rate term structure potentially become a hard input for pricing BTC, ETH, and DeFi blue chips. From a macro crypto perspective, while the curve is still undeveloped, related DeFi assets are better viewed as high beta positions against the “interest rate narrative,” allowing BTC/ETH to assume a foundational risk exposure with higher cost performance in the portfolio; once Aave first establishes an observable and tradable on-chain interest rate curve, traders can start to reconfigure exposure within the framework of “long-short duration + spreads trading,” dynamically switching risk budgets between BTC/ETH and interest rate-sensitive DeFi blue chips. Thus, the real focus should be on whether Aave can translate this acquisition into a tradable on-chain interest rate curve, and to what extent this curve will rewrite the risk pricing logic of BTC/ETH and DeFi blue chips.

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