关于【Cryptocurrency】问题列表

What is Cryptomining? The  Legal vs. The Malicious

In simple terms, cryptomining is the process of using computer power to verify transactions on a blockchain network (like Bitcoin or Monero) and create new coins. Think of it as a giant, global, digital bookkeeping competition. Miners use powerful hardware to solve complex math problems, and the winner gets rewarded with new cryptocurrency.

This process is legal and forms the backbone of many digital currencies. However, the massive electricity and hardware costs make it expensive for individuals.

This is where cybercriminals saw an opportunity.

So, what is crypto malware in this context?

Cryptomining malware (also called cryptojacking) is the unauthorized use of your computer, smartphone, or server by malicious software to mine cryptocurrency. The criminal gets all the profit, and you get stuck with the bill—sky-high electricity costs, worn-out hardware, and a frustratingly slow device.

It's the digital equivalent of a stranger secretly plugging their industrial-grade machinery into your home's power outlets.

Legitimate Miner vs. Malicious Miner

Cryptominer Malware in Action: How Does It Infect Your System?

You don't have to download a suspicious "Mining Program.exe" to get infected. Cybercriminals are clever and use several stealthy methods to turn your device into their personal money-printing machine.

1. The Trojan Horse: Malicious Downloads

This is the most common method. The cryptominer malware is bundled with seemingly legitimate software—like a free game, a cracked application, a browser extension, or even a pirated movie. You install what you want, and the hidden miner installs silently in the background.

2. The Drive-By Download: Infected Websites

You don't need to download anything! Some attacks use malicious code embedded in ads or on a compromised website. The moment you visit the page, a script runs in your browser, using your CPU to mine coin. Sometimes, closing the tab stops it; other times, the script can persist.

3. The Worm: Self-Replicating Network Attacks

In a corporate environment, a cryptominer malware can act like a worm. It infects one weak machine on a network and then quickly spreads to others, turning an entire business's infrastructure into a massive, illegal mining farm.

7 Tell-Tale Signs You're Infected with Cryptomining Malware

Wondering if your device is a victim? Look for these red flags. The key is a sudden and persistent change in your device's behavior.

1- Severe Performance Slowdown: Your computer feels sluggish and unresponsive, even during simple tasks like typing in a document or opening a new program.

2- Overheating and Loud Fan Noise: Mining is extremely CPU/GPU intensive, generating excessive heat. Your cooling fan will run at maximum speed constantly to try and compensate.

3- Sky-High CPU Usage: Check your Task Manager (Windows) or Activity Monitor (Mac). If you see an unknown process consistently using 80-100% of your CPU, that's a major warning sign.

4- Increased Electricity Bills: If your computer is mining 24/7, it can consume as much power as a gaming PC running at full tilt. You might see a noticeable spike in your energy costs.

5- Shortened Device Lifespan: The constant stress and heat from mining can physically damage your computer's central processing unit (CPU) and graphics card (GPU), burning them out years before their time.

6- Browser Crashes: If the infection is browser-based, you may experience frequent tab or browser crashes, especially on graphics-heavy websites.

7- Sluggish Network: On a home or office network, a cryptojacking infection can consume significant bandwidth, slowing down internet access for everyone.

Fight Back! How to Remove Cryptominer Malware

If the symptoms above sound familiar, don't panic. Here’s a step-by-step guide to reclaim your computer.

Step 1: Scan with a Reputable Antivirus/Anti-Malware

This is your first and most crucial line of defense. Run a full system scan with a trusted security program. Modern solutions from brands like Bitdefender, Malwarebytes, or Kaspersky are excellent at detecting and quarantining cryptominer malware.

Step 2: Check Your Browser Extensions

Go through your browser extensions (Chrome, Firefox, Edge, etc.) and remove any that you don't recognize or no longer use. Criminals often create malicious extensions that pose as helpful tools.

Step 3: Dive into Task Manager

Open your Task Manager (Ctrl+Shift+Esc on Windows). Look at the "Processes" tab and sort by CPU usage. Research any unfamiliar process names that are using a high percentage of your CPU. A quick web search can often reveal if a process is malicious.

Step 4: The Nuclear Option: Reset Your Browser

If you suspect a browser-based miner, reset your browser to its default settings. This will clear all extensions, cookies, and temporary data, which often evicts the parasite.

Step 5: Reinstall Your Operating System

For persistent infections that survive scans, a full operating system reinstall is the most thorough way to ensure the malware is completely wiped from your system. Remember to back up your important files first!

Protection is Power: How to Prevent Future Infections

Stopping an infection is always easier than removing one. Integrate these habits into your digital life:

1- Think Before You Click: Avoid downloading software from untrustworthy sources. Stick to official app stores and developer websites.

2- Keep Everything Updated: Regularly update your operating system, browser, and all installed software. Security patches often fix vulnerabilities that malware exploits.

3- Use a Robust Security Suite: Don't rely on Windows Defender alone. Invest in a comprehensive internet security suite that offers real-time protection.

4- Install an Ad-Blocker: A good ad-blocker can prevent malicious scripts from infected ads from ever loading on your screen.

5- Educate Your Team: In a business context, what is a miner in cyber security should be a part of basic employee training. Human error is a leading cause of infection.

Final Thoughts: Stay Aware, Stay Protected

Cryptomining malware is one of the fastest-growing online threats. Unlike traditional malware, it thrives on being invisible — draining your device, your electricity, and eventually your wallet.

Your Security is Our Priority. Trade Safely.

Step into any crypto discussion on X (Twitter), Discord, or Reddit, and you’ll be hit with a barrage of unfamiliar acronyms. It can feel like an exclusive club with its own secret language. Of all the slang, two terms reign supreme in capturing the emotional rollercoaster of the market: WAGMI and NGMI.

Understanding the WAGMI meaning and the brutal honesty of NGMI is more than just learning vocabulary—it’s about understanding the psychology of the crypto community. At BYDFi, we believe that informed traders are the most successful traders, and that starts with speaking the language.

WAGMI: The Battle Cry of Optimism

WAGMI stands for "We're All Gonna Make It."

This is the ultimate expression of hope and community in the crypto space. It’s a rally cry that signifies a shared belief in a project's success and the conviction that everyone in the community, from the largest whale to the smallest retail investor, will benefit.

You'll typically see WAGMI used when:

A project announces positive news or a new partnership.The market is experiencing a strong bull run.Community members are encouraging each other to "HODL" (hold on for dear life) during a price dip.

WAGMI is about collective conviction. It’s a powerful sentiment that can fuel momentum and build a loyal following around a token or NFT project.

NGMI: The Harsh Verdict of Crypto Darwinism

On the opposite end of the spectrum, NGMI stands for "Not Gonna Make It."

This is a blunt, often critical judgment passed on a person, project, or decision. The NGMI full form is a declaration that someone has made a fatal error in their strategy or that a project is fundamentally flawed and doomed to fail.

NGMI is frequently used to describe someone who:

Panic-sells their holdings at the bottom of a market dip.Falls for an obvious scam or phishing attack ([Learn how to spot and avoid crypto scams]).Invests in a project with clear red flags without doing their own research.Fails to understand a basic concept of the crypto space.

To be labeled NGMI is to be told you don't have what it takes to succeed in this demanding and fast-paced environment.

How Traders Can Use This as a Sentiment Indicator

While seemingly simple slang, the prevalence of WAGMI vs. NGMI can be a powerful, if informal, market sentiment indicator.

A chorus of "WAGMI" across social media can signal that market sentiment is highly optimistic or "greedy." This can indicate strong momentum, but it can also be a warning sign of excessive FOMO (Fear Of Missing Out) that may precede a market correction.An increase in "NGMI" can show that sentiment is turning fearful or critical. It might highlight growing FUD (Fear, Uncertainty, and Doubt) around a specific project or the market as a whole.

While you should never trade on slang alone, paying attention to the language of the community can provide valuable context to your technical and fundamental analysis.

From Outsider to Insider

Understanding terms like WAGMI and NGMI is your first step to becoming a more informed market participant. It allows you to decode the sentiment of the community and see beyond the charts.

You hear the big words all the time: decentralization, immutability, transparency. They are the promises of blockchain technology. But have you ever stopped to ask how it all actually works? What is the core invention that makes it all possible?

The answer is surprisingly simple, and it's called the public ledger. If that sounds like a boring accounting term, I get it. But trust me, by the end of this guide, you'll understand why this "boring" ledger is one of the most exciting innovations of our time. Let's break it down.

Imagine a Shared Digital Notebook

The easiest way to understand a public ledger in blockchain is to imagine a special kind of digital notebook. This notebook has three magic rules:

• It's Public: Everyone in the network gets an identical copy of this notebook. You can see every single entry ever made. There are no secrets.
• It's Permanent: Once an entry is written in the notebook, it can never be erased or changed. It’s written in permanent, digital ink.
• It's Run by Everyone: There is no single "boss" in charge of the notebook. The community of users collectively verifies and agrees on every new entry, making it virtually impossible for one person to add a fake transaction.

That shared, public, permanent notebook is the public ledger. It's a record of every transaction that has ever occurred on the network.

The Bitcoin Public Ledger: A Real-World Example

This isn't just a theory; it's real. The Bitcoin public ledger, for example, is a complete history of every Bitcoin transaction since the very first one in 2009.

You can actually go and view it yourself using a tool called a "block explorer." You won't see names, but you can see the digital addresses and the amounts transferred. This radical transparency is what builds trust in the system.

Why This Matters to You

Okay, so it's a transparent notebook. So what? What is the cryptocurrency ledger's real value to an investor or trader?

This is where it gets interesting. The features of the public ledger directly create the value proposition of cryptocurrencies like Bitcoin:

• It Creates Trust Without a Middleman: You don't need to trust a bank or a government to verify a transaction because the public ledger is verified by thousands of participants. This "trustless" system is revolutionary.
• It Provides Unmatched Security: To change a transaction, a hacker wouldn't just need to alter your copy of the notebook; they'd have to simultaneously alter the copies of thousands of other users all over the world, which is practically impossible.
• It Guarantees Ownership: The ledger provides an undeniable, public proof of who owns what at any given time.

Your Gateway to This Technology

You don't need to be a computer scientist to interact with this technology. When you use a professional trading platform like BYDFi, you are using a secure and efficient gateway to buy and sell the very assets that are recorded on these powerful public ledgers.

You're not just buying a coin; you're buying a piece of a revolutionary system built on transparency and trust.

You've seen the headlines. You've heard the buzz on financial news. You've seen the headlines. You've heard the buzz on financial news. After many years of being in holding, the Crypto ETFs have finally started to grab attention, and some may argue that it is as though a brand-new bridge had just been erected, connecting Wall Street to the digital investment world.

But what exactly is a Crypto ETF? Is it the same as buying crypto? And most importantly, is it the right choice for you?

As your guide, I'm here to walk you through all of it. We'll demystify the jargon, look at the pros and cons, and explore the top crypto funds available so you can make an informed decision.

What Is a Crypto ETF? The Bridge from Stocks to Crypto

In the simplest terms, a Crypto ETF (Exchange-Traded Fund) is a traditional financial product that you can buy and sell in your regular brokerage account, just like a stock. The fund's entire purpose is to hold a specific cryptocurrency, most famously Bitcoin.

When you buy a share of a Bitcoin ETF, you aren't buying Bitcoin itself. You are buying a share of the fund that owns the Bitcoin. It's a way to get price exposure to crypto without ever having to create a crypto wallet or use a crypto exchange.

The Big Decision: ETF vs. Buying Crypto Directly

This is the most important question you need to answer. Both paths offer exposure to the crypto market, but they are fundamentally different experiences.

A Look at the Current Crypto ETF List

The launch of spot Bitcoin ETFs in the U.S. was a landmark event. Here are some of the biggest names in this space you'll see:

1. iShares Bitcoin Trust (IBIT) by BlackRock

Think of IBIT as the institutional heavyweight. BlackRock is the largest asset manager on the planet, and their entry into the Bitcoin ETF space was considered a massive validation for the entire industry.

• Key Advantage: Unmatched trust and brand recognition. Many large institutional investors are most comfortable with the BlackRock name, which has led to massive inflows and made IBIT one of the most liquid and successful new ETFs.
• Fee Structure: Launched with a highly competitive, low expense ratio to aggressively capture market share.
• Best for: The investor who prioritizes security, liquidity, and the backing of the biggest name in finance.

2. Fidelity Wise Origin Bitcoin Fund (FBTC)

Fidelity isn't new to crypto. They have been researching and investing in the space for years, long before it was popular on Wall Street. This gives them a level of credibility and experience that few others can match.

• Key Advantage: Deep crypto expertise combined with a sterling reputation as a retail-friendly brokerage. They understand both the technology and the investor.
• Fee Structure: Similar to IBIT, FBTC launched with a very low expense ratio to compete directly for investor capital.
• Best for: Investors who value a long track record of both traditional finance and crypto-specific research.

3. ARK 21Shares Bitcoin ETF (ARKB)

This fund is a collaboration between Cathie Wood's ARK Invest and the crypto ETP specialist 21Shares. When you buy ARKB, you're not just buying Bitcoin; you're aligning with a very public thesis about the future of disruptive technology.

• Key Advantage: A strong brand identity for investors who are fans of ARK's high-growth, innovation-focused philosophy. It often has the lowest expense ratio of the major funds.
• Fee Structure: Positioned itself as the low-cost leader to attract investors who are highly sensitive to fees.
• Best for: The investor who is also a fan of the broader ARK Invest ecosystem and wants their Bitcoin exposure to be part of that narrative.

4. Grayscale Bitcoin Trust (GBTC)

GBTC is the original player and has a unique history. For years, it was one of the only ways for traditional investors to get exposure to Bitcoin, operating as a trust. It converted into an ETF on the day the others were approved.

• Key Advantage: A massive, pre-existing pool of assets and a long history of operation. It has been the go-to for many early institutional adopters.
• Key Disadvantage: Its expense ratio is dramatically higher than the new competitors (e.g., 1.50% vs. ~0.25%). This has led to significant outflows as investors rotate to cheaper alternatives.
• Best for: Currently, it's mostly for existing holders who may have tax reasons not to sell or those who value its long track record above all else and are willing to pay the premium.

Additionally, there are futures-based ETFs that track the prices of futures contracts instead of the cryptocurrency itself; however, most investors prefer spot ETFs.

So, which path is right for you?

Let me be direct.

A Crypto ETF is a good choice if:

• You want completely passive exposure.
• You are only interested in Bitcoin.
• You absolutely do not want to manage your crypto and prefer to stay within your traditional brokerage account.

Buying crypto directly is the right choice if:

• You believe in the principle of true ownership and self-sovereignty.
• You want the freedom to trade anytime, day or night.
• You are keen to explore the rich ecosystem beyond Bitcoin and invest in the next wave of innovation.

The way I see it, an ETF lets you watch the game from the stands. Owning the crypto directly puts you on the field.

In the world of Decentralized Finance, you will see some incredible numbers. APYs (Annual Percentage Yields) of 50%, 500%, or even 5,000% are often advertised, promising life-changing passive income. It’s natural to see these figures and ask: where can I find the highest APY in crypto? It's a question driven by the search for opportunity, but it's also one of the most dangerous questions a new investor can ask. As your guide, I'm not going to give you a list of the highest APY projects. Instead, I'm going to do something far more valuable: I'm going to teach you how to look at a high APY and understand the hidden risks that almost always come with it.

The First Rule: There Is No Such Thing as a Free Lunch

Before you ever invest, you must understand this fundamental truth: yield is not created out of thin air. It has to come from somewhere. In a healthy financial system, yield is generated by real economic activity. For example, when you lend money, the yield you receive is paid by a borrower who is using that capital for a productive purpose. The moment you see an APY that seems too good to be true, your first question should not be "How do I get it?" but rather "Who is paying for this yield?"

Where Does High APY Actually Come From?

Extremely high APYs in crypto are almost always generated by one or both of the following factors, each carrying significant risk.

1. High Token Inflation (The Printing Press):
This is the most common source. The project is simply printing a massive number of its own native tokens to pay out as rewards.

• The Risk: You might be earning a 200% APY in a token, but if the project is doubling the total supply of that token every few months through inflation, the value of each individual token you're earning is likely to fall dramatically. Your "high yield" can easily be wiped out by the token's price crashing due to this massive sell pressure.

2. High Risk and Speculative Demand (The Gamble):
The yield is generated by fees from a very new, very risky protocol. This could be a new decentralized exchange or a complex derivatives platform.

• The Risk: The protocol could have a bug in its smart contract and be hacked, leading to a total loss of your deposited funds. The "yield" could also be coming from a temporary, speculative frenzy that will die down, causing the APY to collapse overnight.

A Smarter Way to Think About Yield

Instead of chasing the highest possible number, a savvy investor learns to look for real, sustainable yield. This is yield that is generated by legitimate, understandable economic activity.

• Staking Yield: Yield from staking a major Layer 1 blockchain like Ethereum is a good example. The rewards are paid from transaction fees and a modest, predictable inflation schedule. The yield is lower, but it is backed by the security and activity of a massive, proven network. [Learn more about advanced strategies like Liquid Staking].
• Lending Yield: Yield from depositing a stablecoin into a blue-chip lending protocol like Aave is another example. The yield is paid by borrowers who are using those stablecoins for their own trading or financial strategies. The rates are variable and often lower, but they are tied to real supply and demand.

Your Final Analysis

Chasing the highest APY is a strategy that often leads to catastrophic losses. The projects offering these yields are almost always the riskiest and most unsustainable. A more prudent and often more profitable long-term strategy is to seek out modest, sustainable yields from established, blue-chip projects where the source of the yield is clear and understandable.

If you’re diving into cryptocurrency wallets, you may have heard about the Electrum wallet and wondered," Is Electrum wallet safe? Or how to use Electrum wallet for Bitcoin or Litecoin?" Are you a newbie working in crypto or someone with past working experience with cryptos, knowing exactly what Electrum is, with its security feature, and how to operate it will certainly help you gain confidence in managing your digital assets. This article will answer your most frequent questions about the Electrum wallet, including the Electrum for Litecoin wallet, and review its safety.

What is Electrum Wallet?

Q: What is Electrum wallet and why is it popular?

A: Electrum wallet is a lightweight, open-source cryptocurrency wallet, basically for Bitcoin and also present for Litecoin (Electrum LTC wallet). For speed, simplicity, and security, Electrum has become famous. Full node wallets download...The entire blockchain so Electrum doesn't, enabling it to work faster and be the easiest for users to get along with. Features include recovery using seed phrases, two-factor authentication, and hardware wallet integration.

Is Electrum Wallet Safe?

Q: How safe is Electrum wallet for storing Bitcoin or Litecoin?

A: Considered to be very safe, Electrum wallet is safe in everyday use if followed by proper safety measures. It uses encryption for your private keys, which never go away from your device. Being open-source, the community can audit the code, which takes out any possibility of lurking vulnerabilities hidden from everyone else. If, however, because of some other software wallet's nature, no one forgets to keep the seed phrase secure and not fall into phishing traps, then Electrum does the job just fine. An extra layer of security is provided should you choose to operate Electrum along with hardware wallets such as Ledger or Trezor.

How to Use Electrum Bitcoin Wallet?

Q: How do I use Electrum wallet for Bitcoin?

A: Getting started with Electrum Bitcoin wallet is straightforward:

• Download the official Electrum wallet from the official website to avoid fake versions.
• Install and create a new wallet by generating a seed phrase. Write this down and store it safely.
• Receive Bitcoin by sharing your wallet address.
• Send Bitcoin by entering the recipient’s address and the amount.
• Backup your wallet regularly using the seed phrase.
• For advanced users, enable two-factor authentication or connect a hardware wallet.

What are the advantages and disadvantages of Electrum wallet?

Pros:

• Fast and lightweight, no full blockchain download
• Strong security with seed phrases and encryption
• Supports hardware wallets and two-factor authentication
• Open-source and widely trusted in the crypto community

Cons:

• User interface can be intimidating for beginners
• Being a software wallet, it’s vulnerable if your device is compromised
• Past phishing attacks targeting Electrum users highlight the need for caution

Summary: Should You Use Electrum Wallet?

So, you've ventured deeper into the crypto world and hit a common scenario: you've discovered an exciting new token, but you can't find it on your go-to centralized exchange. Someone in a Discord or Telegram group says, "It's on PancakeSwap!"

If you're feeling a bit lost, you're not alone. What is this platform? Is it safe? And how do you actually use it? Let's walk through it together. Think of me as your guide to this exciting corner of decentralized finance (DeFi).

What is PancakeSwap, Really?

At its core, PancakeSwap is a Decentralized Exchange (DEX) that runs on the BNB Smart Chain.

Forget the order books and complex trading interfaces you see on traditional exchanges. Instead, think of PancakeSwap like a giant, automated vending machine for digital tokens.

This vending machine is powered by an Automated Market Maker (AMM). Here’s the simple version:

• Users (called Liquidity Providers) stock the vending machine with pairs of tokens (like BNB and another token).
• When you want to buy a token, you put another token into the machine (e.g., BNB).
• The AMM automatically calculates a fair price based on the amount of each token in the machine and dispenses your desired tokens back to you.

It all happens instantly, peer-to-peer, with no company or middleman holding your funds.

The Big Question: Why Use PancakeSwap Over a Regular Exchange?

This comes down to strategy, and it’s all about trade-offs. Here’s how to think about which one is right for you.

The biggest pro for PancakeSwap is selection; the biggest con is risk. You are your own bank, which is empowering but comes with the responsibility of not losing your keys or falling for scams.

How to Use PancakeSwap: Your First Swap in 5 Steps

Ready to make your first trade? Here’s a simple, safe way to do it.

Step 1: Get a Web3 Wallet and BNB

While many crypto projects aim to improve upon existing financial systems, the SORA network has a far more ambitious goal: to create an entirely new, decentralized economic system. It is a complex and visionary project that goes beyond simple transactions to address macroeconomic theory.

This guide will explain the SORA ecosystem, the role of its native XOR crypto token, and the key products that are bringing its vision to life.

What is the SORA Network?

SORA is a blockchain project that describes itself as a "supranational, decentralized central bank." Its primary goal is to create a fair and efficient economic system that can coexist with and provide services to other blockchains. The SORA network is built on the Polkadot ecosystem, leveraging its interoperability and security to connect with other blockchains.

The XOR Token Explained

The native utility and governance token of the SORA network is the XOR crypto. It is a central piece of the project's economic model and is designed to have an elastic supply, managed by a token bonding curve. This means the supply of XOR can expand or contract based on a set of on-chain economic principles, similar to how a central bank manages a fiat currency. The primary use cases for the XOR token are paying for transaction fees (gas) on the network and participating in governance.

Key Products: Polkaswap

The most prominent application built within the SORA ecosystem is Polkaswap. It is a cross-chain, non-custodial Automated Market Maker (AMM) and decentralized exchange (DEX). Polkaswap is designed to be the primary liquidity hub for the Polkadot and Kusama ecosystems, allowing users to trade assets from many different blockchains in one place. This provides a tangible, real-world utility for the SORA network and its XOR token, which is used to power the exchange.

The Investment Perspective

Investing in SORA and its XOR token is a bet on a highly ambitious, long-term vision. The project is not simply a new blockchain; it is an attempt to build a new model for a global economy. Its success is tied to the adoption of its economic principles and the utility of its products, like Polkaswap. The project's complexity and grand scope represent a higher degree of risk compared to more straightforward crypto projects but also offer a unique value proposition for those who believe in its transformative goals.

To understand more about the architecture SORA is built on, read our article on Polkadot and its parachains.