Top 10 DeFi Protocols by Development Activity in the Past Month

According to data tracked by Santiment across more than 4,000 crypto projects, ten DeFi protocols stand out by development activity – and the gaps between them are wide enough to matter.

Chainlink: From Oracle Network to Banking Infrastructure

Chainlink (LINK) holds the top position with a development coefficient of 2.49x over the second-ranked project. On April 5, 2026, Swift and a group of major international banks announced the successful completion of pilot tests using Chainlink’s Cross-Chain Interoperability Protocol (CCIP) for tokenized asset transfers. The following day, Coinbase confirmed an integration with Chainlink DataLink, through which the platform’s institutional exchange data will flow directly into the DeFi ecosystem. Two announcements within 48 hours reinforce Chainlink’s positioning as the infrastructure layer bridging traditional finance and blockchain networks.

DeepBook: Building a Full Trading Suite on Sui

Second in the rankings is DeepBook (DEEP) – a central order book built on the Sui blockchain. The V3.1 update focuses on broadening access to arbitrage opportunities to improve market efficiency, while the 2026 roadmap outlines the introduction of native margin trading with up to 10x leverage. The protocol currently operates primarily as a spot platform, but the described changes would push it into a meaningfully different product category.

Aave: The Most Significant Rebuild in Its History

The most significant architectural shift among the listed protocols belongs to Aave (AAVE). On March 30, 2026, V4 went live on the Ethereum mainnet. The new hub-and-spoke structure allows risk to be isolated across individual markets while sharing a common liquidity pool. Alongside the launch came Aave Pro, an interface designed specifically for institutional and advanced users. Version 4 represents the most substantial change to the protocol’s architecture since its founding, and it will likely influence how competing lending platforms rethink their own liquidity models over the coming months.

Lido: Managing the Gap Between Token Value and Protocol Performance

Lido Finance (LDO) is operating on a different logic entirely – rather than technical upgrades, the focus is on capital management. In late March, a proposal was submitted to buy back LDO tokens worth approximately $20 million from the treasury, with the stated rationale being a correction of a 63% valuation dislocation relative to ETH. The protocol also introduced two new products – EarnETH and EarnUSD – aimed at simplifying yield strategies for both retail and institutional users.

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Injective: Betting on Scarcity and Execution Speed

Injective (INJ) is pushing a deflationary model following the implementation of IIP-617, which permanently doubled the network’s token burn rate. If network usage continues to grow, the proposal puts INJ on a trajectory toward net-negative supply. Separately, the Ethernia mainnet – launched in early 2026 – introduces a Real-Time EVM with sub-second transaction finality, targeted at professional traders who need execution speed that most blockchains cannot currently offer.

Euler: Institutional Vaults and Rapid Multi-Chain Expansion

Euler Finance (EUL) has returned to the institutional segment following its V2 transition. On April 4, 2026, a partnership with Concrete was announced to launch Institutional Vaults – curated lending markets with active risk management tailored for professional investors. The protocol is also expanding rapidly across Base, Swell, and Sonic, with new deposits exceeding $100 million across those deployments.

Uniswap and Curve: Consolidating the Old Guard

Uniswap (UNI) and CurveFinance (UNI) round out the middle of the rankings. At Uniswap, V4 hooks are now being deployed by developers to add functionality such as on-chain limit orders and dynamic fee structures, while a February 2026 governance vote approved the expansion of protocol fees across all V3 pools, with proceeds feeding into an automated UNI burn mechanism. Curve is in the testing phase of Llamalend V2, with a full Q2 rollout expected, introducing permissionless listing of virtually any asset as collateral.

Babylon Labs: Native Bitcoin as DeFi Collateral

The most unconventional entry on the list is Babylon Labs (BABY). The protocol does not work with wrapped or synthetic versions of Bitcoin – the objective is staking native BTC to secure Proof-of-Stake networks. The phased mainnet rollout is underway, and an integration with Aave V4 is planned for April 2026, which would allow native BTC to function as self-custodied collateral in lending markets. If that integration delivers on its stated design, it would connect the two most capital-heavy sectors in the crypto space in a way that has not previously been practically accessible to most participants.

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