Back cover layout: Focus on these value coins, invest rationally and stay away from contract trading: a rational choice to protect principalContract trading brings the temptation of high returns due to high leverage, but also comes with significant risks. In the volatile cryptocurrency market, contract trading can easily lead to liquidation and instant loss of principal. Maintaining rationality and emphasizing risk management are the long-term investment strategies. Stay away from contracts, focus on value investing, and accumulate wealth over time# Stay away from contracts # Rational investment # Risk managementIn the current market, choosing some value coins with long-term potential for bottom-up layout is a robust strategy to cope with fluctuations. The following currencies are worth paying attention to:1. BTC (Bitcoin) - Digital gold, a long-term value storage and anti inflation tool.{spot}(BTCUSDT)2. ETH (Ethereum) - a smart contract platform, the core of DeFi and NFT ecosystems.{spot}(ETHUSDT)3. ADA (Cardano) - a highly secure smart contract platform dedicated to the sustainable development of blockchain.{spot}(ADAUSDT)4. DOT (Polkadot) - a cross chain technology that connects blockchain and promotes the Web3.0 ecosystem.5. MATIC (Polygon) - Ethereum scaling solution that supports efficient and low-cost decentralized applications.The selection of these projects is based on their technological foundation and long-term potential in practical application scenarios. Bottom up layout means patience and confidence, rather than chasing short-term ups and downs# Value Coin # Long term Investment # Back end Layout $BTC $ETH $ADA