Registry Model, 13 Chains: How 1inch Aqua Tackles DeFi’s Fragmented Liquidity

1inch has moved its Aqua liquidity protocol from developer preview to full public release, covering 13 EVM-compatible networks simultaneously, a scope that puts it in direct contact with most of the chains where professional market makers and retail liquidity providers already operate.

The launch addresses one of DeFi’s most persistent structural problems: capital that sits idle across fragmented pools on separate chains, earning suboptimal yields and forcing providers to manage positions across incompatible interfaces.

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Aqua does not use conventional pool deposits. Instead, it operates on a registry-based allowance model: a liquidity provider registers a wallet balance as backing, and that balance can support multiple simultaneous quoted positions without the assets leaving custody.

A swap executes only when it matches the position’s stated terms, at which point the protocol pulls the required assets directly from the provider’s wallet.

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

The capital efficiency implication is significant in theory. According to the research context, 1inch has cited a scenario where a $100,000 wallet balance backs positions quoting a combined $300,000, but that figure reflects quoted inventory, not available capital.

Actual fill capacity is still constrained by whatever the wallet holds at execution time, so providers carrying concentrated positions or low on-chain balances will hit limits that the quoted figure obscures.

This custody-preserving design contrasts sharply with standard AMMs, where depositing into a pool transfers asset control to a smart contract and exposes the provider to impermanent loss on every price move.

Aqua’s model keeps the asset in the provider’s wallet, which is structurally cleaner for professional market makers who need balance-sheet flexibility, though execution still depends on verified counterparties and on-chain balance checks at fill time.

The public release covers Ethereum, Arbitrum, Base, BNB Chain, Optimism, Polygon, and Robinhood Chain, among seven others, all EVM-compatible.

That breadth matters because liquidity on EVM chains remains heavily fragmented, with meaningful depth concentrated on Ethereum mainnet and Arbitrum while newer chains struggle to attract professional providers without dedicated incentive programs.

1inch Network has added 10M 1INCH tokens in incentives for LPs on 1inch Aqua, with a further 500k USDC boost from the 1inch DAO.

And we’re launching with @BNBCHAIN as our first co-incentive partner.

The 1inch Network incentives run for 3 months through @merkl_xyz: 5M 1INCH in… pic.twitter.com/QugGxOqOWb

To bootstrap depth across all 13 networks, 1inch is launching a parallel incentives program backed by 10 million 1INCH from the 1inch Foundation and 500,000 USDC from the 1inch DAO.

Rewards are distributed through Merkl and administered by Degensoft Ltd (BVI). The size of the package is meaningful, 10 million 1INCH at current market rates represents a real incentive floor, but the distribution mechanism and lockup terms will determine whether it attracts sticky liquidity or mercenary capital that exits once rewards dry up.

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