

What is cryptocurrency? How to distinguish the authenticity of cryptocurrencies? What types of cryptocurrencies are there?
Jul 10, 2025 pm 08:33 PMCryptocurrency is a digital asset based on cryptography principles. Its core features include the use of blockchain technology, decentralized management, high security and limited supply; it requires 1. To identify the authenticity of cryptocurrencies, 1. To examine the project white paper and team background, 2. To pay attention to community activity and transparency, 3. To view the code base and technical audit reports, 4. To evaluate the project application scenarios and implementation status; cryptocurrencies are mainly divided into four categories: 1. Native cryptocurrencies such as Bitcoin and Ethereum, 2. Tokens based on existing platforms, 3. Stable coins with stable value such as USDT, 4. Unique non-fungible tokens (NFTs) represent assets such as digital collectibles.
1. What is cryptocurrency?
Cryptocurrency, in short, is a digital or virtual asset that uses cryptography to ensure transactions are secure, control new units to create and verify asset transfers. It usually uses decentralized technologies, such as blockchain, to maintain a distributed ledger. This means that no single institution owns or controls it, and all transaction records are stored openly and transparently in every participant in the network. This decentralized feature allows cryptocurrencies to get rid of the constraints of traditional financial institutions, reduce transaction costs, and improve transaction efficiency and transparency.
- Core technology: The basis of most cryptocurrencies is blockchain technology, a distributed ledger technology that divides data into "blocks", and then links it through cryptography to form an immutable chain.
- Decentralization: This is a distinctive feature of cryptocurrencies. Unlike traditional currencies issued by central governments or financial institutions, cryptocurrencies are not issued or managed by any central authority.
- Security: Cryptography is widely used in the issuance, trading and verification of cryptocurrencies, ensuring the irreversibility of transactions and the security of assets.
- Limited Supply: Many cryptocurrencies have a preset maximum issuance, which is different from the fact that traditional currencies can be issued indefinitely, making them scarce.
2. Official website address of cryptocurrency trading platform
- Binance Binance: ()
- Ouyi OKX: ()
- Huobi: ()
- Gate.io Sesame Opening: ( )
3. How to distinguish the authenticity of cryptocurrencies?
In the rapidly evolving cryptocurrency field, it becomes crucial to identify real projects and potential fraud. Due to its decentralization and anonymity, some criminals may use information asymmetry to induce others. Therefore, careful analysis and background checks are essential, and here are some key judgment criteria and suggestions:
- Examine the project white paper and team:
A formal cryptocurrency project usually publishes detailed white papers explaining its technical principles, application scenarios, economic models and development roadmap. You need to read this document carefully to ensure that its content is logically clear and technically feasible. At the same time, understand the background of the project team, including the professional field of its members, past experience, and reputation in the industry. Open and transparent team information is an important indicator of project credibility.
- Focus on community activity and transparency:
True cryptocurrency projects often have an active and dynamic community, such as on platforms like Reddit, Discord, or Telegram. Community members will actively discuss project progress, technical issues and future directions. In addition, the project party will also regularly update, announce development progress and community activities, and maintain good interaction with users. If a project lacks community support or information is not transparent, you need to be vigilant.
- View the code base and technical audit:
For technology-driven cryptocurrencies, their code bases are usually open source, for example on GitHub https://github.com/. Anyone can review the code to verify its security, functionality and decentralization. A professional third-party security audit company audits the code and publishes audit reports, which is also a strong proof of project reliability.
- Evaluate project application scenarios and implementation status:
In addition to the technology itself, a valuable cryptocurrency should have practical application scenarios and solutions. Check whether the project solves real-world problems and whether there is a clear business model and user group. Projects that only stay in the conceptual stage or claim to bring about "going rich" benefits are often false or extremely risky.
4. What types of cryptocurrencies are there?
There are many types of cryptocurrencies and are still emerging. They are usually classified according to their functions, technical characteristics and application scenarios. Understanding these categories helps us better understand this huge and complex ecosystem. The most common classification methods mainly include the following:
- Native cryptocurrencies (Coins): This type of cryptocurrency has its own independent blockchain, which is the native asset of its blockchain network. They are often used to pay for online transactions, incentivize validators, or as store of value. The most famous examples are Bitcoin (https://bitcoin.org/en/) and Ethereum (https://ethereum.org/en/).
- Tokens: Tokens are crypto assets issued on existing blockchain platforms and do not have their own independent blockchain. They are often used for specific applications or functions within an ecosystem. For example, many decentralized finance (DeFi) applications and non-fungible tokens (NFTs) are tokens issued on platforms such as Ethereum.
- Stablecoins: Stablecoins are cryptocurrencies designed to keep their value relatively stable, usually achieved by pegging to traditional assets such as fiat assets or other cryptocurrencies. They exist to solve the problem of high volatility of cryptocurrencies and facilitate daily transactions and store of value. Common stablecoins include Tether (USDT), USD Coin (USDC), etc.
- Non-fungible tokens (NFTs): Unlike interchangeable cryptocurrencies, NFTs are unique and indivisible digital assets that usually represent artworks, collectibles, in-game items or virtual land, etc. Each NFT has a unique identifier that enables it to be tracked and verified ownership. Well-known NFT trading platforms include OpenSea (https://opensea.io/) and Rarible (https://rarible.com/).
The above is the detailed content of What is cryptocurrency? How to distinguish the authenticity of cryptocurrencies? What types of cryptocurrencies are there?. For more information, please follow other related articles on the PHP Chinese website!

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Yes, you can get USDT for free in the following 5 ways: 1. Participate in airdrop tasks on mainstream exchanges, such as registering and giving away, completing novice tasks, and inviting friends to get rewards; 2. Join the blockchain project community and obtain airdrops through Web3 social platform or Twitter/Discord interaction; 3. Participate in the "test network" activity, register the test chain address and simulate the use of DApp to get incentives; 4. Complete tasks on the cryptocurrency navigation platform to receive novice gift packages, participate in sign-in, lottery and other activities; 5. Interact with the content creation and community, and publish original content to obtain USDT rewards from the project party. At the same time, you need to pay attention to security risks, do not fill in private keys, do not believe in scams, and choose mainstream platforms to participate.

USDT is not a scam, but there are risks. 1. Tether provides liquidity in the crypto market by issuing USDT, a stablecoin anchored by the US dollar; 2. The company's background is related to Bitfinex, and has been fined for audit issues but has increased transparency; 3. The reserve assets are mainly US Treasury bonds rather than pure cash, and there are certain financial risks; 4. Face risks such as insufficient audit frequency, centralized control and compliance restrictions; 5. The USDT market is highly accepted, but trust needs to be based on continuous disclosure and compliance operations. Overall, USDT is trustworthy but does not equal zero risk, and users should be cautious.

To transfer USDT to the exchange for transactions, you must first confirm that the chain type matches, the address is correct, and complete real-name authentication. 1. Register and authenticate the mainstream exchange account with real name; 2. Confirm that the wallet is consistent with the USDT chain type of the exchange (such as TRC20); 3. Obtain the recharge address of the corresponding chain on the exchange and copy it accurately; 4. Initiate transfers from the wallet and pay the corresponding handling fee; 5. After arrival, you can trade in the spot or contract market; 6. Pay attention to checking the address, avoid transferring to the contract address, and give priority to low-processing networks. The entire process is usually completed in minutes, ensuring operational safety is key.

USDC is safe. It is jointly issued by Circle and Coinbase. It is regulated by the US FinCEN. Its reserve assets are US dollar cash and US bonds. It is regularly audited independently, with high transparency. 1. USDC has strong compliance and is strictly regulated by the United States; 2. The reserve asset structure is clear, supported by cash and Treasury bonds; 3. The audit frequency is high and transparent; 4. It is widely accepted by institutions in many countries and is suitable for scenarios such as DeFi and compliant payments. In comparison, USDT is issued by Tether, with an offshore registration location, insufficient early disclosure, and reserves with low liquidity assets such as commercial paper. Although the circulation volume is large, the regulatory recognition is slightly low, and it is suitable for users who pay attention to liquidity. Both have their own advantages, and the choice should be determined based on the purpose and preferences of use.

The ways to obtain USDT include: 1. Purchase through centralized exchanges such as Binance, OKX, etc., which is convenient to operate and supports multiple payment methods; 2. OTC modules are included in the platform for over-the-counter transactions, suitable for large-scale and privacy-conscious users; 3. Use stablecoin exchange platforms or wallets (such as TokenPocket) and decentralized exchanges (such as Uniswap) to achieve cross-chain or cross-currency exchanges; 4. Participate in exchange activities or task platforms to obtain airdrop rewards; 5. Obtain USDT incentives through mining, content creation, community interaction, etc.; 6. Collect USDT directly from other people's wallets, and pay attention to chain type matching to avoid asset loss.

USDT is not suitable as a traditional value-added asset investment, but can be used as an instrumental asset to participate in financial management. 1. The USDT price is anchored to the US dollar and does not have room for appreciation. It is mainly suitable for trading, payment and risk aversion; 2. Suitable for risk aversion investors, arbitrage traders and investors waiting for entry opportunities; 3. Stable returns can be obtained through DeFi pledge, CeFi currency deposit, liquidity provision, etc.; 4. Be wary of centralized risks, regulatory changes and counterfeit currency risks; 5. In summary, USDT is a good risk aversion and transitional asset. If you pursue stable returns, it should be combined with its use in financial management scenarios, rather than expecting its own appreciation.

USDT cash exchange needs to be operated through a trading platform that supports fiat currency withdrawal. 1. Prepare a trading platform account that supports fiat currency withdrawal (such as Binance, Ouyi, Huobi, etc.); 2. Complete KYC real-name authentication; 3. Bind bank cards or Alipay and other payment methods; 4. Log in to the account and ensure that USDT is in the fund account or spot account; 5. Enter the OTC or fiat currency area and choose to sell USDT; 6. Set the sales amount and match the buyer; 7. After confirming the other party’s payment, click “Confirm Coin Delivery” to complete the transaction. Withdrawal methods include OTC fiat currency transactions, bank card withdrawals and third-party payments, among which OTC is more efficient. Notes include making sure to verify that the money is received before releasing, avoiding frequent large withdrawals, and contacting customer service in time when encountering abnormalities. The key to the entire process is to choose

The official download address of OK exchange: 1. Click the official website or APK link provided on the page; 2. Enter the official website to register; 3. Download the official installation package for download and install.