The vast universe of DeFi is filled with endless possibilities and unpredictable fluctuations. In this world of 'financial Lego' woven from smart contracts and decentralized protocols, collateral is the solid foundation that sustains everything, much like a star in the universe providing stable gravity for the orbits of planets. However, amidst the violent tides of cryptocurrency, finding a truly reliable 'star-level' collateral that can withstand storms has always been the holy grail pursued by DeFi users. Today, we will focus on USDD and explore how it has evolved, striving to become a trusted collateral option for DeFi users.
USDD is not a new face in the DeFi world, but its evolution in stability mechanisms represents a profound learning curve. Initially, USDD entered the market as an algorithmic stablecoin, attempting to maintain its peg to the US dollar through complex minting and burning mechanisms. However, the collapse of Terra/UST in 2022 was like a cosmic explosion, completely shaking the market's confidence in pure algorithmic stablecoins. Since then, the crypto community has called for more resilient and transparent stablecoin models. USDD has actively responded to this call, officially upgrading to USDD 2.0 in January 2025, completely bidding farewell to the old model driven by pure algorithms and embracing the golden rule of 'over-collateralization.'
The core innovation of USDD 2.0 lies in its solid collateral reserves and multi-chain strategic layout. As of December 2025, the stability of USDD no longer relies solely on code, but is supported by diversified digital assets. This means that behind every USDD, there are reserve assets exceeding its value as a guarantee, forming a solid financial defense line. These reserve assets include mainstream stablecoins USDT, USDC, as well as core assets of the TRON ecosystem, TRX, and its staking derivatives, sTRX. This diversified allocation effectively disperses the risk of single asset volatility, greatly enhancing USDD's risk resistance.
The 'Peg Stability Module' (PSM) introduced by USDD 2.0 is the key technology for maintaining price stability. Through PSM, users can mint or redeem USDD at a 1:1 ratio using mainstream stablecoins like USDT or USDC, ensuring deep liquidity and precise anchoring mechanisms. At the same time, USDD's 'smart allocator' quietly plays its role by optimizing the on-chain returns of reserve assets, creating continuous value capture for the USDD ecosystem, such as supporting annualized staking yields of up to 12%. This mechanism not only provides enticing yield opportunities for USDD holders but also further solidifies its appeal as a DeFi collateral.
In the fiercely competitive stablecoin market, USDD has found its unique position. As of mid-2025, although USDT and USDC still dominate the market, USDD ranks among the top ten by market capitalization due to its unique decentralized attributes and over-collateralization model. It is not only the core stablecoin within the TRON ecosystem but also successfully natively deployed to the Ethereum network in September 2025, and expanded to the BNB Chain, significantly broadening its application scenarios and liquidity in the DeFi space. The TRON network itself has also demonstrated strong vitality, with over 338 million user accounts and a total locked value of 26 billion USD as of October 2025, and stablecoin settlement volume ranking among the top. The deep integration of USDD within these ecosystems makes it a bridge connecting different blockchain worlds, providing users with broader collateral options.
However, any decentralized financial product comes with risks. Although USDD has evolved from a pure algorithm model to over-collateralization, the increasingly tightening regulatory environment remains a challenge that cannot be ignored. As of December 2025, many countries worldwide are actively formulating or improving stablecoin regulatory frameworks. For example, the United States has passed the (GENIUS Act), and the EU's MiCA regulation has also come into effect. These regulations impose higher requirements on the composition of stablecoin reserves, transparency, and the compliance of issuers. USDD's reserve assets include TRX, and although there are over-collateralization guarantees, the volatility of TRX's price may still put pressure on the collateral ratio, raising market concerns about its stability. Furthermore, the transition from USDDOLD to USDD 2.0 may face short-term liquidity challenges.
For DeFi users, USDD provides multiple practical values as collateral. Firstly, it offers a means to maintain asset stability during market fluctuations, avoiding the risk of liquidation due to a sharp decline in collateral value during the borrowing process. Secondly, users can earn substantial returns by staking USDD; for example, on platforms like JustLend, the annualized yield for staking USDD can reach 10%. A more strategic approach is that users can mint USDD using their held TRX or sTRX, unlocking liquidity while investing USDD in yield farms to achieve 'dual-layer returns.' This increase in capital efficiency is undoubtedly what DeFi participants dream of.
Looking ahead, USDD is expected to play an even more critical role in the DeFi space. As the crypto regulatory framework gradually clarifies, compliant and transparent stablecoins will be favored. USDD's over-collateralized model, publicly verifiable reserve assets, and the transition plan to decentralized autonomous organization (DAO) governance (expected to activate in the first quarter of 2026) make it align with the future development trends of stablecoins. It will not only be a reliable collateral for DeFi lending but may also become a stable payment tool and value transfer medium connecting Web3 and the traditional financial world. For DeFi users seeking stable returns and capital efficiency, as well as investors focusing on the compliance process in the crypto market, closely monitoring the ecological development of USDD and gaining insights into its risks and returns are key to seizing opportunities.
This article is a personal independent analysis and does not constitute investment advice.

