Avoid N 1 query problems, reduce the number of database queries by loading associated data in advance; 2. Select only the required fields to avoid loading complete entities to save memory and bandwidth; 3. Use cache strategies reasonably, such as Doctrine's secondary cache or Redis cache high-frequency query results; 4. Optimize the entity life cycle and call clear() regularly to free up memory to prevent memory overflow; 5. Ensure that the database index exists and analyze the generated SQL statements to avoid inefficient queries; 6. Disable automatic change tracking in scenarios where changes are not required, and use arrays or lightweight modes to improve performance. Correct use of ORM requires combining SQL monitoring, caching, batch processing and appropriate optimization to ensure application performance while maintaining development efficiency.

The top ten authoritative cryptocurrency market and data analysis platforms in 2025 are: 1. CoinMarketCap, providing comprehensive market capitalization rankings and basic market data; 2. CoinGecko, providing multi-dimensional project evaluation with independence and trust scores; 3. TradingView, having the most professional K-line charts and technical analysis tools; 4. Binance market, providing the most direct real-time data as the largest exchange; 5. Ouyi market, highlighting key derivative indicators such as position volume and capital rate; 6. Glassnode, focusing on on-chain data such as active addresses and giant whale trends; 7. Messari, providing institutional-level research reports and strict standardized data; 8. CryptoCompa

Ethereum is a decentralized application platform based on smart contracts, and its native token ETH can be obtained in a variety of ways. 1. Register an account through centralized platforms such as Binance and Ouyiok, complete KYC certification and purchase ETH with stablecoins; 2. Connect to digital storage through decentralized platforms, and directly exchange ETH with stablecoins or other tokens; 3. Participate in network pledge, and you can choose independent pledge (requires 32 ETH), liquid pledge services or one-click pledge on the centralized platform to obtain rewards; 4. Earn ETH by providing services to Web3 projects, completing tasks or obtaining airdrops. It is recommended that beginners start from mainstream centralized platforms, gradually transition to decentralized methods, and always attach importance to asset security and independent research, to

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The most suitable tools for querying stablecoin markets in 2025 are: 1. Binance, with authoritative data and rich trading pairs, and integrated TradingView charts suitable for technical analysis; 2. Ouyi, with clear interface and strong functional integration, and supports one-stop operation of Web3 accounts and DeFi; 3. CoinMarketCap, with many currencies, and the stablecoin sector can view market value rankings and deans; 4. CoinGecko, with comprehensive data dimensions, provides trust scores and community activity indicators, and has a neutral position; 5. Huobi (HTX), with stable market conditions and friendly operations, suitable for mainstream asset inquiries; 6. Gate.io, with the fastest collection of new coins and niche currencies, and is the first choice for projects to explore potential; 7. Tra

The real use of battle royale in the dual currency system has not yet happened. Conclusion In August 2023, the MakerDAO ecological lending protocol Spark gave an annualized return of $DAI8%. Then Sun Chi entered in batches, investing a total of 230,000 $stETH, accounting for more than 15% of Spark's deposits, forcing MakerDAO to make an emergency proposal to lower the interest rate to 5%. MakerDAO's original intention was to "subsidize" the usage rate of $DAI, almost becoming Justin Sun's Solo Yield. July 2025, Ethe

Table of Contents Crypto Market Panoramic Nugget Popular Token VINEVine (114.79%, Circular Market Value of US$144 million) ZORAZora (16.46%, Circular Market Value of US$290 million) NAVXNAVIProtocol (10.36%, Circular Market Value of US$35.7624 million) Alpha interprets the NFT sales on Ethereum chain in the past seven days, and CryptoPunks ranked first in the decentralized prover network Succinct launched the Succinct Foundation, which may be the token TGE

Stablecoins are cryptocurrencies with value anchored by fiat currency or commodities, designed to solve price fluctuations such as Bitcoin. Their importance is reflected in their role as a hedging tool, a medium of trading and a bridge connecting fiat currency with the crypto world. 1. The fiat-collateralized stablecoins are fully supported by fiat currencies such as the US dollar. The advantage is that the mechanism is simple and stable. The disadvantage is that they rely on the trust of centralized institutions. They represent the projects including USDT and USDC; 2. The cryptocurrency-collateralized stablecoins are issued through over-collateralized mainstream crypto assets. The advantages are decentralization and transparency. The disadvantage is that they face liquidation risks. The representative project is DAI. 3. The algorithmic stablecoins rely on the algorithm to adjust supply and demand to maintain price stability. The advantages are that they do not need to be collateral and have high capital efficiency. The disadvantage is that the mechanism is complex and the risk is high. There have been cases of dean-anchor collapse. They are still under investigation.