MindsetExpander

Strategy unexpectedly received an exemption in the Nasdaq 100 annual rebalancing, but its existence has raised market doubts as the company has gradually transformed into a Bitcoin asset treasury. The rise and fall in stock prices reflect investors' skepticism about its traditional corporate identity and the threat of potential removal by MSCI. In response, Strategy actively clarifies that it is a collection of financing tools and plans to strengthen market confidence. Whether it can successfully reshape its image in the future will determine its fate.

The Sharpe Ratio, introduced by William F. Sharpe in 1966, helps investors evaluate risk-adjusted returns by comparing excess returns to volatility. It facilitates portfolio optimization but has limitations, including assumptions of normal distribution and challenges with negative values.

Bitcoin faces self-identity controversy. Although it is positioned as a "peer-to-peer electronic cash system," it has fallen into an identity paradox due to its egalitarian information storage design. The number of decentralized nodes has significantly decreased, and human tendencies toward centralization may affect its attributes. Meanwhile, governance vacuum and the four-corner dilemma have intensified internal conflicts. Future risks also stem from the conflict between the convenience of human choices and the values of decentralization.

The article discusses the leverage effect in crypto investing, pointing out that as leverage multiples increase, risk rises non-linearly while returns diminish. A five-year backtest shows that a 3x leverage results in a drawdown of 95.9%, almost causing investors to face "mathematical bankruptcy." Spot investing, although with lower returns, offers relatively controllable risk. Ultimately, the article recommends reducing leverage and extending the investment period to achieve more stable wealth growth.

This essay explains the current value of 0.05 Bitcoin (BTC) in different currencies, and covers calculation methods, market trends, purchasing processes, and risk management strategies for cryptocurrency investors.

Bitcoin: Why Is It Called "Digital Gold"
When you ask this question on a crypto trading floor, almost everyone arrives at the same answer. That answer is Bitcoin, which quietly appeared in 2009 with the white paper. The simple yet revolutionary document on page 9 outlined a concept for a decentralized system that requires no central authority or governing body.
This idea being recognized in the financial world as "Digital Gold" is not just a metaphor but is based on actual functionality. Traditional gold has maintained its value due to its limited supply and the difficulty of mining. Bitcoin fully reproduces this logic.
The maximum supply is fixed at 21,000,000, and the issuance schedule

The essay discusses the essentiality of high-performance portable chargers for smartphones and tablets, especially during emergencies. It reviews 49 products from major brands, evaluating them based on actual capacity, portability, charging speed, design, and functionality, offering a comprehensive comparison guide to help users choose the best model for their needs.

EMA (Exponential Moving Average) is an important technical analysis tool in cryptocurrency trading, known for its high sensitivity that effectively smooths price fluctuations and identifies trends. Although it has advantages in trend recognition and support/resistance analysis, it also carries risks of lag and false signals. Traders should understand it correctly and use it in conjunction with other indicators to maximize its effectiveness.

Ethereum founder Vitalik Buterin compares Ethereum with BitTorrent, emphasizing the importance of decentralized ecosystems. As centralized institutions collapse, the industry needs to pay more attention to P2P architecture to reduce risks. Buterin mentioned that overcoming the challenges of centralized models, including scalability, user experience, and governance issues, is essential to achieve more robust and resilient decentralized infrastructure. This concept is inspiring for developers and enterprises, demonstrating that future trust models will rely on communities rather than intermediaries.

As the Taiwanese dollar appreciates against the Japanese yen, the demand for currency exchange in December 2025 is increasing, with travel and yen investments gaining popularity. The article details four methods of cashing out in Japanese yen and their costs, recommending travelers choose the appropriate method based on their needs, and emphasizing that now is a good time to enter the market gradually for currency exchange. It also reminds readers to pay attention to the advantages and disadvantages of each method and the handling fees.

Many novice investors have high expectations for high-dividend stocks but are confused about the stock price changes on the ex-dividend date. Although theoretically the stock price should decrease due to dividend payments, the actual situation is more complex, and market sentiment also plays a role. Whether the stock price is artificially inflated before the ex-dividend date, historical trends, and the company's fundamentals are all key factors in determining the right time to buy. Investors need to rationally assess and plan for tax costs to develop suitable investment strategies.

December 10, 2025, the Taiwanese dollar against the Japanese yen rises above 4.85, with travel to Japan and yen hedging demand warming up simultaneously. But do you know? Different currency exchange methods can have cost differences of over NT$2000. This article compares four mainstream currency exchange channels in detail and uses bank exchange rates to help you find the most cost-effective way to exchange for Japanese yen.
Why is it worth paying attention to exchanging yen now
The Japanese yen has become an essential option in Taiwanese people's foreign currency portfolios, not just because of travel needs.
Travel and daily applications
Popular destinations like Tokyo, Osaka, and Kyoto still have many cash transaction scenarios (credit card penetration is only 60%). When purchasing Japanese cosmetics, clothing, and anime merchandise, many purchasing agents require direct yen payments. People planning to study or work in Japan in the future can lock in exchange rates by exchanging money in advance, avoiding additional costs caused by sudden fluctuations.
Investment and hedging value
The Japanese yen is listed as one of the world's three major safe-haven currencies (the other two are

The Trump administration's economic advisors predict a robust 3% GDP growth, advocating for interest rate cuts to sustain growth amid easing inflation pressures. They warn that maintaining high rates could hinder growth, particularly in sensitive sectors, and seek a leadership aligned with a growth-focused monetary policy. Market reactions to these signals could influence liquidity and cryptocurrency trends.

President Trump is advancing new economic measures, including direct payments to taxpayers ranging from $1,000 to $2,000 to stimulate domestic consumption. This program will be funded primarily through revenue from increased tariffs, aiming to boost individual spending and overall economic activity.

Shiba Inu's official X account, with 3.9 million followers, is a major community hub, but the recent temporary removal of the verification badge caused a stir online. From the perspectives of security enhancement and cost optimization, the management team reviewed the handling of the gold verification badge, and subsequently reinstated the badge under a new policy. This change clarifies the commitment to focusing on the development of the $SHIB token.
Market-positive price increase
At a timely moment, $SHIB has shown steady movement in the market, with the price rising by 1.12% to recover to $0.000007471. This upward trend coincided with the launch of perpetual futures trading on Coinbase.

Amid active fund transfers by institutional investors, Ethereum's spot ETF experienced significant outflows of $72.06 million on December 31. Despite this, cumulative interest in Ethereum investment products remains high, indicating a structural demand.

In late 2025, Bitcoin experienced a dramatic decline after hitting a historic high of $126,000 in October, dropping over 30%. This marked the first negative performance post-halving, leading to debates on the validity of the four-year cycle theory, with experts divided on its future relevance.