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Deeper: a Shared Liquidity DEX Design for Low Trading Volume Tokens to Enhance Average Liquidity
  • Srisht Fateh Singh,
  • Panagiotis Michalopoulos,
  • Andreas Veneris
Srisht Fateh Singh
University of Toronto

Corresponding Author:[email protected]

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Panagiotis Michalopoulos
University of Toronto
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Andreas Veneris
University of Toronto
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This paper presents Deeper, a design for a decentralized exchange that enhances liquidity via reserve sharing. By doing this, it addresses the problem of shallow liquidity in low trading volume token pairs. Shallow liquidity impairs the functioning of on-chain markets by creating room for unwanted phenomena such as high slippage and sandwich attacks. Deeper solves this by allowing liquidity providers of multiple trading pairs against a common token to share liquidity. This is achieved by creating a common reserve pool for the shared token that is accessible by each trading pair. Independent from the shared liquidity, providers are free to add liquidity to individual token pairs without any restriction. The trading between one token pair does not affect the price of other token pairs even though the reserve of the shared token changes. The proposed design is an extension of concentrated liquidity automated market maker DEXs that is simple enough to be implemented on smart contracts. This is demonstrated by providing a template for a hook-based smart contract that adds our custom functionality to Uniswap V4. Experiments on historical prices show that for a batch consisting of 8 trading pairs, Deeper enhances liquidity by over 2.6–5.9×. The enhancement in liquidity can be increased further by increasing the participating tokens in the shared pool. While providing shared liquidity, Liquidity Providers should be cautious of certain risks and pitfalls, which are described. Overall, Deeper enables the creation of fair markets for low trading volume token pairs.
04 Sep 2023Submitted to International Journal of Network Management
05 Sep 2023Submission Checks Completed
05 Sep 2023Assigned to Editor
05 Sep 2023Review(s) Completed, Editorial Evaluation Pending
05 Sep 2023Reviewer(s) Assigned
24 Oct 20231st Revision Received
26 Oct 2023Submission Checks Completed
26 Oct 2023Assigned to Editor
26 Oct 2023Review(s) Completed, Editorial Evaluation Pending
30 Oct 2023Reviewer(s) Assigned