風險聲明：差價合約（CFD）是屬於複雜的投資產品，因杠杆而存在快速虧損的高度風險。
交易前您應衡量是否瞭解差價合約以及是否能夠承擔發生虧損的高風險。
Web Trader MT5
F
FUD
FUD, which stands for Fear, Uncertainty, and Doubt, is a term widely used in crypto and finance circles to describe misinformation, whether true or planted, that causes market sentiment to swing and prompt selling.
FUD can be a genuine concern about real threats, or it can be artificial noise propagated to depress a price for strategic objectives. The term originated in the technology industry, where competing companies would create ambiguous, negative stories about competitors’ technologies to delay their adoption.
It became a catch-all for any pessimistic narrative in crypto markets and is frequently used too freely to discount problems that truly warrant serious consideration.
Example: A major crypto exchange says it is under regulatory probe. Social media is awash with posts forecasting an impending collapse, user funds being locked, and contagion sweeping across the sector within hours. There is some valid concern, but much of it has been exaggerated from the facts. The veterans differentiate between signal and noise; the rest sell immediately and ask questions later.
FUDster
A FUDster is someone who purposefully promotes Fear, Uncertainty, and Doubt about an asset, project, or market, either to drive the price down for personal profit, to promote a competing product, or just because they have a very strong negative opinion and shout it loudly. It’s a term often tossed around in crypto forums, particularly to refer to actual bad actors and sometimes to discredit opponents who raise valid issues.
It’s not always evident, from inside a passionate group, where the boundary is between a FUDster and a well-founded skeptic.
Example: A large social media account with many followers starts posting a series of alarmist posts about a well-known cryptocurrency project. These posts quote anonymous sources and contain unverifiable assertions about the team’s past. Retail holders worry, and the price decreases dramatically. It turns out later that the account was managed by a person with a sizable short position in the token. This is a textbook FUDster campaign, where generated fear was the tool, and the purpose was price suppression.
Full Node
A full node is a machine that downloads and independently checks the whole history of a blockchain, enforcing all the network rules without relying on anybody else’s interpretation of events. A light node relies on others for correct data, whereas a complete node examines everything itself – every transaction, every block, all the way back to the very start.
When you run a full node, you contribute to the network’s decentralization and resilience – more independent players confirm the same rules, and no single server or authority can feed the network with misleading information.
Example: A developer building an application on top of Bitcoin runs their own node instead of using a 3rd-party API. This implies their program independently validates transactions against the actual blockchain, without having to trust anyone’s infrastructure. If a third-party provider goes down or serves bad data, the developer’s application remains unaffected. The full node provides them with direct, unmediated access to the truth of what is on chain.
Fund
A fund is a collection of money gotten from various investors and managed as a group for a specific investment goal. The concept is straightforward: Investors can access opportunities, diversification, and professional management through a combination of resources they might not be able to access, diversify, or manage on their own.
Funds come in many forms. Mutual funds are vehicles through which retail investors invest in stocks, bonds, or a combination of both. Hedge funds draw money from institutions and the rich and engage in more advanced, often “leveraged investing.
An ETF is a fund that tracks an index and is bought and sold on exchanges like stocks. A private equity firm is a venture that raises capital to acquire and restructure companies.
The common denominator is that all of them have a separation between investors and the decision-makers.
Example: A teacher who would like exposure to the stock market but doesn’t have the time or expertise to select individual stocks. They invest in a cheaply-managed S&P 500 index fund.
Their money is merged with thousands of other investors, managed passively with little cost, and they receive a wide exposure to the market with a simple investment; exactly what funds were designed to make possible.
Fund manager
A professional who manages a portfolio of investments on behalf of clients, such as mutual funds or hedge funds.
Fundamental analysis
An approach to analysing the price of an asset or market that focuses on the underlying economic and organisational factors.
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