Fidelity is a large institution with $17.9 trillion in assets under administration. It recently chose Ethereum to issue FIDD stablecoins, which is worth paying attention to. This is one of the important signals for institutions to move towards new financial infrastructure. This matter can be viewed from several aspects: Firstly, the FIDD (Fidelity Digital Dollar) stablecoin issued by Fidelity Digital Assets is an important test for large institutions to go on the blockchain. FIDD is a stablecoin anchored 1:1 to the US dollar, with reserves consisting of low-risk assets such as cash and short-term US bonds. It is subject to monthly review by PwC in accordance with AICPA standards, with daily disclosure of liquidity and net reserve value. It is issued on the Ethereum chain and can be transferred on the Ethereum mainnet. More noteworthy is that it has been integrated into Curve and Uniswap. At present, the supply on the chain is not large, about 48 million to 62 million US dollars, with more than 270 holders. It seems to be still in a limited trial stage and has not yet been truly promoted on a large scale. However, once it truly takes off, the customer base is astonishing: over 50 million individual investors+approximately $17.9 trillion in assets under administration+5.5 million daily transactions. If it were to build its own Ethereum L2 or join a large L2 like Robinhood, its impact would not be too small. Ethereum L2 is becoming the core infrastructure of programmable finance in the AI era, with some functional attributes of new banks, new asset management institutions, and new financial technologies. Banks, institutions, and fintech can all build their own financial services on it. Once Fidelity "tests the waters" on the Ethereum chain and shifts to putting some of its capital markets on the chain, it will be a very impactful thing. Secondly, what does it mean for Ethereum? Fidelity's decision to issue stablecoins on the Ethereum chain is the result of comprehensive consideration by major institutions. With the GENIUS Act (passed in July 2025, clarifying the regulatory framework for payment based stablecoins), traditional financial institutions have a relatively clear compliance path. Fidelity did this by voting for Ethereum in the 'on chain settlement layer'. Several important factors for large institutions to choose Ethereum: Network effects and clearing credibility: Institutions are most concerned about "where money is most likely to go wrong and where liquidity is deepest". Ethereum is currently the absolute home ground for stablecoins and RWAs. • Composability: FIDD can directly enter Curve/Uniswap, and has the ability to enter DeFi from day one. For institutions, 'ready to use now' is crucial and a key part of testing the waters. Balancing regulation and technological maturity: The issuance of OCC licensed national trust banks, coupled with Ethereum's transparent ledger, makes it easier to pass internal risk control and external audits than many private or emerging public chains. If you choose a private chain or a semi decentralized high-performance chain, the narrative will become "efficiency first, compliance later". No matter how efficient it is, it is difficult to completely surpass the experience of centralized Web2; The narrative of choosing Ethereum is "compliance and network effects first, efficiency is solved through L2 and subsequent optimization". Of course, it is unlikely to have a significant impact in the short term, especially when the market is sluggish. It will strengthen the narrative of 'institutions default to choosing ETH', bringing a certain emotional premium and fund attention to ETH, but because FIDD itself is still small in scale, its direct impact is very limited. From a mid-term perspective: At present, the activity on the chain is extremely low, and the true value depends on whether Fidelity will truly channel its own customers (retail+institutional) onto the chain. This is what Robinhood and other companies are currently trying to do. Fidelity is still testing the waters, and big institutions will be more cautious in their decision-making. If FIDD can become the entry point for Fidelity customers to settle, pledge, and trade on the chain, it will gradually contribute real gas demand and DeFi depth. This time, FIDD has deployed liquidity on Uniswap V3 and Curve (which were pooled together with the same block in June 2026), indicating that the Fidelity team does have plans to integrate DeFi considerations. From a long-term perspective: This is the beginning of the capital lifecycle on chain: from issuance to custody, trading, settlement, and DeFi combination, all completed on the same public ledger. This will strengthen Ethereum's positioning as the 'underlying settlement layer'. Stablecoins are the lifeblood of on chain finance, and whoever holds the issuance rights of mainstream compliant US dollar stablecoins holds the underlying bargaining power. It can also resonate with the promotion of other RWAs and tokenized stocks/bonds. Once institutions become accustomed to handling one asset on Ethereum, the marginal cost of migrating other assets will decrease. In summary: Short term scale is small, with limited impact on the market. However, if Fidelity truly wants to cause trouble by importing customers and assets onto the chain, the impact on Ethereum will be tangible. Of course, this is a long-term process and large institutions will not advance too quickly. Finally, once it is truly promoted, it will generate structural advantages, which is the silent influence of moistening things.