1inch has unveiled Aqua, which the decentralized exchange aggregator describes as its most significant product launch to date. Aqua is a shared liquidity layer that allows a single wallet balance to simultaneously support multiple liquidity positions without requiring users to deposit tokens into a protocol-controlled pool. The product is currently live across 13 EVM-compatible chains, giving the launch immediate reach across a broad segment of onchain trading infrastructure.

The launch is designed to address a major inefficiency in decentralized finance. According to 1inch, about 85% of DeFi liquidity is idle or poorly positioned when trades occur, which leads to thin markets and weaker pricing even as protocols report substantial total value locked. Liquidity providers today fragment capital across many pools, chains, and trading pairs, a practice that 1inch estimates costs the market up to $150 million in forgone fees each year. Aqua is intended to consolidate that fragmented liquidity by allowing the same token balance to service multiple positions, increasing the time assets remain in range and improving earning potential. The development is also positioned as relevant for institutional investors and traditional finance firms, for whom deeper and more usable onchain liquidity is important for executing large trades efficiently.

Liquidity providers: it’s time to wake up. Use 1inch Aqua to find more activity in more markets, without letting your tokens out of your wallet. Risk-controlled execution meets full self-custody. No, you aren’t dreaming. Here’s how it works: pic.twitter.com/F7CJeikteJ — 1inch (@1inch) July 28, 2026

Technical Architecture and Risk Controls

Aqua does not take custody of user funds. Instead, it operates as a registry that maintains virtual balances, which are internal accounting counters rather than actual deposits. When a provider opens a position, no tokens move. The protocol simply records how much of the provider’s existing token allowance is allocated to that position. When a swap executes, tokens transfer directly from the provider’s wallet to the swapper in a single atomic transaction. If the wallet cannot cover the fill, the transaction reverts entirely, eliminating partial fills and protocol debt. The Aqua contract itself does not hold tokens at any time.

The model is based on the Shared Liquidity Ratio (SLR), which allows the same real balance to back several positions at once without creating leverage or debt. Because swap demand is asynchronous, one balance can service multiple positions’ occasional fills, with each transaction capped by the actual tokens present in the wallet at execution. Pricing and execution are handled by SwapVM, an engine that supports multiple curve types, including constant product, concentrated liquidity, and pegged stablecoin curves, while also allowing developers to integrate custom logic. That structure is intended to make the system flexible enough for different pool designs while keeping settlement tied to wallet-held assets.

Security measures are centered on self-custody and bounded exposure. Providers keep control of their assets and may revoke token allowances or close positions at any time. The protocol has been audited by OpenZeppelin, Bailsec, Hexens, Nethermind, Theory, and Decurity. At launch, swap execution is limited to verified 1inch Resolvers that hold a soulbound KycNFT, making Aqua a self-custodial venue with verified counterparties. Even so, providers still face market risks, including impermanent loss and smart-contract vulnerabilities, and fees are not guaranteed.