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USDL whitepaper

USDL: An Interest-Bearing Dollar Stablecoin

The USDL whitepaper was released by the Paxos International team in June 2024, against the backdrop of growing demand for a digital dollar that combines stability and yield, aiming to directly distribute stablecoin reserve yield to holders through an innovative model.

The theme of the USDL whitepaper is “Lift Dollar (USDL): The first regulated stablecoin to provide daily on-chain yield to holders.” What makes USDL unique is that, as a regulated, 1:1 USD-backed stablecoin, it uses smart contracts to automatically distribute yield from short-term, highly liquid US government securities and cash equivalents to holders every day. The significance of USDL lies in combining regulatory compliance with DeFi innovation, providing a safe and efficient solution for stable value and passive income in the digital economy, and democratizing stablecoin yield distribution.

The original intention of USDL is to meet the market demand for a digital dollar that offers both price stability and passive income, and to provide users with a transparent, regulated stablecoin option. The core idea outlined in the USDL whitepaper is: by issuing a regulated, 1:1 USD-pegged stablecoin and using smart contracts to directly distribute the yield generated by reserve assets to eligible holders, it achieves stable, secure, and attractive returns in the digital asset space.

Interested researchers can access the original USDL whitepaper. USDL whitepaper link: https://lgcy-network.gitbook.io/welcome/

USDL whitepaper summary

Author: Priya Narayanan
Last updated: 2026-01-05 23:52
The following is a summary of the USDL whitepaper, expressed in simple terms to help you quickly understand the USDL whitepaper and gain a clearer understanding of USDL.
Sorry, friend! Regarding the USDL project, I’ve found some interesting but clarifying information. In the blockchain world, the same name can refer to different projects, and USDL is one such example. Based on my research, there are currently several projects named USDL: 1. **Lift Dollar (USDL) issued by Paxos**: This is a regulated, USD-pegged stablecoin issued by the international branch of the well-known blockchain company Paxos, and its biggest feature is that it distributes yield to holders. 2. **USDL on LGCY Network**: This is a stablecoin on the LGCY network and also serves as the network’s “gas token.” 3. **USDL of the Liquid Loans protocol (on PulseChain)**: This is an algorithmic stablecoin that maintains its USD peg by collateralizing another cryptocurrency, PLS. To give you a clear and valuable introduction, I’ll focus on a detailed explanation of the **Lift Dollar (USDL) issued by Paxos**, which currently has high market attention and a clear regulatory background. Please remember, this is not investment advice, but is intended to help you better understand this project. ***

What is USDL

Imagine you have a special digital dollar bill that not only always matches the value of a real US dollar, but also automatically brings you a little interest every day. This is Lift Dollar (USDL), a new type of stablecoin issued by Paxos International.

Simply put, USDL is a cryptocurrency pegged 1:1 to the US dollar, with very stable value, just like the dollars in your bank account. But it has one more feature than ordinary dollars: it automatically distributes the yield generated by its reserve assets (such as short-term US Treasuries and bank deposits) to USDL holders every day. It’s like your digital wallet becomes a mini savings account, and you can see your balance grow daily.

Its main target users are those who want to hold stable assets in the blockchain world while earning yield. You can use USDL for payments, settlements, or as a reserve digital asset, and even use it in decentralized finance (DeFi) applications, while earning yield.

Project Vision and Value Proposition

The vision of the USDL project is to enable more people to access US dollar assets safely and conveniently, and to earn yield from them. The core problem it aims to solve is that, in the crypto market, many stablecoins are stable but usually do not provide interest, while traditional bank dollar savings may be hard to access or offer low returns in some regions. USDL combines the stability of the dollar with the efficiency of blockchain, allowing users to enjoy the yield from reserve assets while holding dollars.

Compared to other stablecoins on the market, USDL’s biggest differentiator is its “yield-bearing” feature. Most stablecoins simply peg to the dollar, while USDL, through its unique mechanism, directly returns the yield from reserve assets to holders. In addition, USDL is issued by Paxos International, which is regulated by the Financial Services Regulatory Authority (FSRA) of Abu Dhabi Global Market, meaning it operates within a regulated framework, increasing transparency and trust.

Technical Features

The technical core of USDL lies in its smart contracts and reserve management mechanism.

Smart Contracts and Yield Distribution

USDL is currently mainly issued on Ethereum and Arbitrum blockchains. It uses Ethereum smart contracts to automatically manage and distribute yield. A smart contract can be understood as a program written on the blockchain that automatically executes when conditions are met, without human intervention. Here, it calculates and adds yield in the form of USDL to eligible holders’ wallets every day. This yield distribution mechanism is called “Rebasing,” which reflects daily yield by adjusting the total token supply.

Reserve Assets and Transparency

Each USDL token is backed by $1 of real assets as reserves, including US dollar deposits, short-term US Treasuries, and other highly liquid cash equivalents. These reserve assets are held in segregated accounts and are strictly regulated by the FSRA. To ensure transparency, Paxos regularly publishes monthly reports on the composition of reserve assets, which are audited and attested by independent third-party accounting firms. It’s like a transparent safe, where everyone can check how much money is inside at any time to ensure that USDL’s value is always backed by real assets.

Tokenomics

USDL’s tokenomics revolve around its stablecoin characteristics and yield distribution mechanism.

Basic Token Information

  • Token Symbol: USDL (Lift Dollar)
  • Issuance Chains: Ethereum and Arbitrum
  • Issuance Mechanism: The supply of USDL is dynamically adjusted based on the yield generated by its reserve assets. When yield is distributed to holders, the total supply of USDL increases accordingly.
  • Inflation/Burn: Yield distribution causes the total token supply to increase (which can be seen as a form of “inflation”), but this increase is based on real yield, not arbitrary minting. Users can redeem USDL for US dollars at a 1:1 ratio at any time, which acts as a burn mechanism.

Token Use Cases

The main use cases of USDL include:

  • Store of Value: As a stable digital asset, it avoids the volatility of the crypto market.
  • Payments and Settlements: Used for daily transactions, cross-border payments, and commercial settlements.
  • DeFi Applications: Used as collateral, liquidity provider, or yield farming asset in decentralized finance protocols.
  • Earning Yield: Simply holding USDL automatically earns you the yield generated by its reserve assets.

Token Distribution and Unlocking Information

Since USDL is a stablecoin issued by a regulated entity, its issuance and circulation mechanism differs from traditional crypto project token distributions. It is not distributed through public or private sales, but is minted when users deposit US dollars and can be redeemed at any time. Yield distribution is ongoing—so long as you hold USDL, eligible users can receive yield daily.

Team, Governance, and Funds

USDL is issued by Paxos International, the international branch of the well-known blockchain company Paxos. Paxos has extensive experience in the stablecoin field and is also the issuer of PayPal’s stablecoin PYUSD. Paxos International is regulated by the FSRA of Abu Dhabi Global Market, meaning the project follows strict financial regulations in its operations and fund management. This regulatory framework provides additional assurance for USDL’s stability and transparency.

The project’s governance is mainly handled by Paxos International, and its decisions and operations must comply with FSRA regulatory requirements. There is no explicit mention of a decentralized governance mechanism (such as a DAO) in the available information, which is typical for centrally issued stablecoins. The project’s funds (i.e., USDL’s reserves) are held in segregated, highly liquid accounts and are regularly audited to ensure a 1:1 US dollar reserve.

Roadmap

As a relatively new project, USDL’s development roadmap mainly revolves around its issuance and ecosystem expansion.

  • October 2024: Paxos International officially launches Lift Dollar (USDL) and deploys it on the Arbitrum blockchain, aiming to bring a yield-bearing stablecoin to the Arbitrum ecosystem.
  • Early Markets: Argentina is one of the first markets for USDL.
  • Future Plans: USDL is expected to continue expanding the blockchain networks it supports and deepen its applications in DeFi, payments, and settlements to reach a broader user base.

Common Risk Reminders

Although USDL has its unique advantages, as a crypto asset, it also carries some potential risks you should be aware of:

  • Technical and Security Risks

    Smart Contract Risk: Although smart contracts are audited, there may still be undiscovered vulnerabilities that could lead to loss of funds.
    Blockchain Network Risk: USDL operates on blockchains such as Ethereum and Arbitrum, which themselves may face risks such as congestion, security attacks, or protocol upgrades, affecting USDL’s availability.

  • Economic Risks

    Reserve Management Risk: Despite audits and regulation, the actual management and liquidity of reserve assets remain key. Under extreme market conditions, the value or liquidity of reserve assets may be affected, impacting USDL’s redemption capability.
    Yield Volatility Risk: USDL’s yield comes from its reserve assets (such as US Treasuries). These yields fluctuate with market interest rates, so USDL’s actual annualized yield is not fixed.

  • Compliance and Operational Risks

    Regulatory Policy Changes: Stablecoin regulations are still evolving globally. Future policy changes may impact USDL’s operations, availability, or compliance.
    Geographical Restrictions: USDL is currently not available to US residents and users in certain other countries. This means its user base is limited and may be further adjusted due to policy changes.
    Centralization Risk: Although USDL operates on decentralized blockchains, its issuance and reserve management are handled by the centralized entity Paxos International. This means users need to trust the issuer to properly manage reserves and comply with regulations.

Verification Checklist

If you want to further research the USDL project, you can pay attention to the following information:

  • Block Explorer Contract Addresses: Look up USDL’s smart contract addresses on Ethereum and Arbitrum, and use block explorers (such as Etherscan or Arbiscan) to view on-chain activity, number of holders, and transaction volume.
  • Paxos Official Transparency Reports: Regularly check the monthly reports on USDL reserve assets and third-party audit attestations published by Paxos International.
  • Paxos Official Website and News: Follow Paxos’s official announcements and news to stay updated on the project’s latest developments and compliance information.
  • GitHub Activity: Although, as a centrally issued stablecoin, its core code may not be fully open source, you can check whether Paxos has related open-source projects or smart contract codebases and evaluate their update and maintenance status.

Project Summary

In summary, Lift Dollar (USDL) issued by Paxos is an innovative stablecoin project that maintains USD peg stability while introducing a daily yield distribution mechanism—a notable feature in the stablecoin market. It is issued by a regulated entity and regularly publishes reserve audit reports, providing users with a certain degree of transparency and trust. USDL aims to provide a stable and yield-bearing digital dollar alternative for users worldwide (except in restricted regions), suitable for payments, settlements, and DeFi applications.

However, like any crypto project, it also comes with technical, economic, and compliance risks, especially its centralized issuance and geographical restrictions. For users seeking stable yield in the crypto world, USDL offers an attractive option, but be sure to fully understand its operating mechanism and potential risks before deciding whether to participate. Please remember, the above information is for reference only and does not constitute any investment advice. For more details, please do your own research.

Disclaimer: The above interpretations are the author's personal opinions. Please verify the accuracy of all information independently. These interpretations do not represent the platform's views and are not intended as investment advice. For more details about the project, please refer to its whitepaper.

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