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Duan Yongping has established a business model evaluation system to ensure investments are made in companies capable of generating long-term cash flow. He summarized five core criteria, including abundant cash flow, competitive moats, asset-light and efficient operations, resilience to changes, and pricing power. These standards help investors identify good companies that can continuously create value for shareholders.

The Shark pattern and the 5-0 pattern are important tools for traders to predict trend reversals. The key feature of the Shark pattern is that point C exceeds point A, while the 5-0 pattern has six nodes, providing precise wave predictions. Traders need to understand their core structures and risk management strategies. Combining these with real-market cases can effectively improve trading success rates.

In the DeFi ecosystem, MEV bots are characterized by high-frequency arbitrage, profiting from capturing value asymmetries in transactions. Sandwich attacks are a common exploitation strategy that forces retail investors to bear high transaction costs. Although there are negative opinions about such practices, some also point out that they can enhance market liquidity. While completely avoiding these attacks is nearly impossible, new tools like FlashBots offer defensive strategies. Investors need to increase their risk awareness to cope with the ongoing impact of MEV bots.

Coin-margined contracts and USDT-margined contracts have fundamental differences in margin requirements and price fluctuation calculations, affecting traders' risk and returns. Coin-margined contracts support flexible position replenishment strategies, allowing traders to increase their holdings at market lows to reduce loss risk, while USDT-margined contracts calculate risk based on USDT stability. Coin-margined contracts are suitable for low-leverage trading to avoid the risks associated with high leverage turning into disadvantages. Rational trading should consider their respective advantages and disadvantages.

Full position and isolated margin are two margin modes chosen by traders. The former allows all funds to be shared to reduce the risk of liquidation and is suitable for professional traders engaging in hedging; the latter allows each position to operate independently, limiting risk, and is suitable for beginners or traders with single operations. The mode selection should be based on trading style and risk tolerance.

A cold wallet is an offline method of storing cryptocurrencies, keeping digital assets on devices completely disconnected from the internet. Compared to hot wallets, which are vulnerable to online attacks, cold wallets create a solid barrier of protection for your crypto assets through physical isolation from the network. So, how exactly does a cold wallet work? And how can you choose the right storage solution for yourself? This guide will provide a detailed explanation.
The essence of a cold wallet: How offline storage safeguards your crypto assets
Cold wallets are non-internet-connected tools for managing digital assets, characterized primarily by being "offline." What does this mean? Simply put, cold wallets do not actively connect to the internet, thereby inherently avoiding various online attacks initiated through network channels.
Cold wallets are not limited to hardware devices. In addition to common hardware wallets, they also include paper wallets, sound wallets, and other forms. Among which

Recently, Pi Network claimed to have a valuation of $3,141,590, with 100 billion tokens and 1.5x collateral backing. Although its technical features such as proof of stake and low transaction fees are attractive, implementation is challenging, and the current trading price is far from expectations. Investors should assess the project's feasibility and potential risks before investing.

The secure storage of current cryptocurrency assets is a major concern, and hardware cold wallets have become the preferred choice due to their security and portability. This article compares 10 mainstream hardware cold wallets, focusing on security mechanisms, asset coverage, ease of use, and ecosystem support, to help investors find the right storage solution.

To become a master of MACD parameter settings, the key is to adjust the indicators based on your individual trading style rather than sticking rigidly to the default 12-26-9. The article introduces five parameter schemes, helping you find the right combination by balancing sensitivity and stability. It also warns against pitfalls such as overfitting and parameter dependence. Finally, it emphasizes the importance of backtesting and live testing, encouraging traders to understand market characteristics and match them with their personal trading style.

Many cryptocurrency investors face withdrawal difficulties mainly due to risk control issues. Banks implement risk management to comply with anti-money laundering regulations. Withdrawal risks include fund freezes and are influenced by multiple factors rather than just the amount. To reduce risk control risks, it is important to develop good trading habits and maintain account activity. In case of risk control, stay calm and contact the bank to submit proof materials to unfreeze funds.

This article introduces common digital units in cryptocurrency trading and their corresponding relationships, including thousand K (1K=1,000), million M (1M=1,000,000), hundred million E (1E=100,000,000), billion B (1B=1,000,000,000), and trillion T (1T=1,000,000,000,000). Understanding these units can help investors better assess the scale and potential of projects.

The KDJ indicator, known for its sensitivity and accurate signals, has become an essential tool for short-term traders. Its three lines (K line, D line, and J line) work together, allowing traders to quickly assess market trends. Golden cross and death cross signals are key to profitability, and combining them with price pattern analysis can enhance signal reliability. Proper use of the KDJ indicator requires attention to the indicator lines' conditions and the market environment to achieve steady profits.

In the cryptocurrency space, a hodler refers to an investor who holds assets for the long term, ignoring short-term market fluctuations and believing in the long-term value of cryptocurrencies. The hodler strategy avoids frequent trading costs, reduces emotional decision-making risks, and allows for the potential of long-term asset appreciation. Recently, mainstream cryptocurrencies have shown stable performance, and hodlers will seize long-term opportunities, patiently waiting for their value to be realized.

The multiple-bar setup is a type of candlestick pattern in technical analysis, composed of two bullish candles surrounding a bearish candle, reflecting the accumulation of bullish momentum during consolidation. Its appearance can occur at market bottoms or during upward trends, indicating potential upward opportunities. When identifying this pattern, attention should be paid to the strength of the first bullish candle and the volume change of the bearish candle, as well as confirming the closing price of the third bullish candle. Combining this with the overall market trend can improve the accuracy of judgment and help investors grasp market momentum.