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Through its Turing-complete smart contracts, EVM virtual machines and Gas mechanisms, Ethereum has built a programmable blockchain platform beyond Bitcoin, supporting diversified application ecosystems such as DeFi and NFT; its core advantages include a rich DApp ecosystem, strong programmability, active developer community and cross-chain interoperability; it is currently implementing consensus transformation from PoW to PoS through the upgrade of Ethereum 2.0, introducing beacon chains, verifier mechanisms and punishment systems to improve energy efficiency, security and decentralization; in the future, it will rely on sharding technology to realize data sharding and parallel processing, greatly improving throughput; at the same time, Rollup technology has been widely used as a Layer 2 solution, Optimistic Rollup and ZK-Rollu
Aug 06, 2025 pm 11:57 PM
Blockchain is a decentralized distributed ledger technology that ensures data is tamper-proof and secure and trustworthy through encryption algorithms and consensus mechanisms, and has higher transparency and risk resistance than traditional centralized databases; 1. Blockchain is linked to blocks, and each block contains transaction data and is connected through cryptographic methods; 2. Its core features include decentralization, distributed ledger, tamper-proof, transparency, encryption security and consensus mechanism; 3. Digital currencies such as Bitcoin operate based on blockchain, and transactions are verified by the entire network nodes and packaged into the block, ensuring openness and transparency and unchangeable; 4. Public keys are used to receive digital currency, and private keys are the only vouchers to control assets and must be strictly confidential; 5. The method of safely custody of private keys includes using hardware storage and paper
Aug 06, 2025 pm 11:54 PM
Blockchain is a distributed and decentralized digital ledger technology. Its core principles include: 1. Distributed ledger ensures that data is stored simultaneously on all nodes; 2. Encryption technology, linking blocks through hash values to ensure that data is not tampered with; 3. Consensus mechanisms, such as PoW or PoS, ensure that transactions are agreed between nodes; 4. Decentralization, eliminating single point of control, enhancing censorship resistance; 5. Smart contracts, protocols for automated execution. Cryptocurrencies are digital assets issued based on blockchain. The operation process is: 1. The user initiates transactions and signs digitally; 2. The transactions are broadcast to the network; 3. The miner or verifier verifies the validity of the transaction; 4. Multiple transactions are packaged into new blocks; 5. Confirm the new zone through consensus mechanism
Aug 06, 2025 pm 11:51 PM
Smart contracts are automatic execution programs stored on blockchains. The core is to implement the "if... then..." logic through code to execute protocols in a decentralized and tamper-free way. 1. Write code: define contract logic using languages such as Solidity; 2. Compile: convert the code into machine-readable bytecode; 3. Deploy: publish the bytecode to the blockchain through transactions and generate a unique address; 4. Trigger execution: When the preset conditions are met, the contract will run automatically; 5. Record the result: All operations are permanently recorded on the chain to ensure transparency and verifiability. It solves the trust, efficiency, cost, transparency and execution risks in traditional protocols, and is widely used in DeFi, supply chain, copyright management, voting, insurance and gaming fields.
Aug 06, 2025 pm 11:48 PM
Selecting a suitable exchange can reduce transaction costs. Mainstream platforms such as Binance, OKX and Huobi provide different rate structures and platform currency discounts; 2. Priority is given to using limit orders as pending orders to enjoy lower rates, avoid frequent use of market orders, resulting in high order eating fees; 3. Concentrate transactions to increase transaction volume, reach VIP level and enjoy ladder discounts, and enable fee deduction function by holding platform coins (such as BNB, OKB, HT); 4. Pay attention to the official exchange activities, participate in trading competitions, rebate plans or limited-time zero-fee activities to further save costs; 5. Optimize withdrawal strategies, choose low-cost currencies and network non-congestion periods to withdraw cash, and reduce the number of small-scale frequent withdrawals, thereby reducing overall expenditure.
Aug 06, 2025 pm 11:45 PM
Binance: is known for its high liquidity, multi-currency support, diversified trading modes and powerful security systems; 2. OKX: provides diversified trading products, layout DeFi and NFT, and has a high-performance matching engine; 3. Huobi: deeply engaged in the Asian market, pays attention to compliance operations, and provides professional services; 4. Coinbase: strong compliance, friendly interface, suitable for novices and is a listed company; 5. Kraken: strict security measures, supports multiple fiat currencies, and has high transparency; 6. Bybit: focuses on derivative trading, low latency, and complete risk control; 7. KuCoin: rich currency, supports emerging projects, and can enjoy dividends with KCS; 8. Gate.io: frequent new coins, with Copy Tr
Aug 06, 2025 pm 11:42 PM
Confirm that the official website address is www.okx.com, and manually enter it to prevent phishing; 2. Make sure that the Android system is above 5.0, reserve 100MB of space and enable the "Allow unknown sources" permission; 3. Download the APK file for Android v6.135.0 through the official website, and it is recommended to verify the SHA256 hash value; 4. Click the APK file to install, and manually allow "Continue to install" or "Trust this source"; 5. Grant necessary permissions such as storage, network, etc.; 6. Open the Ouyi OKX icon on the desktop after the installation is completed.
Aug 06, 2025 pm 11:39 PM
Get the Android version of APP download link through Binance official website or official social media, and give priority to the APK file provided by the official website; 2. Enable "Allow to install unknown sources" in the mobile phone settings, check the SHA256 hash value after downloading and complete the installation; 3. Grant necessary permissions such as storage and network when starting for the first time to ensure normal use of the functions; 4. The new version v6.135.0 enhances the risk control and anti-phishing protection of the device, optimizes transaction response speed and integrates the Web3 storage portal; 5. Beware of phishing software when downloading, and only obtains applications from official channels. Note that the package is called "com.binance.dev", and complies with the usage restrictions in your area. It is recommended to enable automatic updates to obtain the latest security patches. The above steps and attention are required.
Aug 06, 2025 pm 11:36 PM
The only correct entry for Binance official website is the official website with a domain name ending with .com, and there are no extra symbols or subdirectories; 2. To verify the authenticity of the official website, you need to check the SSL certificate, check the domain name through official social media, and be wary of phishing links; 3. Common fraud methods include counterfeit domain names, false customer service inducement and APP download traps through non-official channels; 4. Safe access suggestions include enabling two-factor verification, using browser bookmarks to save the official website address and regularly check the device authorization status to ensure the security and integrity of the account.
Aug 06, 2025 pm 11:33 PM
Founded in 2017 by Zhao Changpeng, Binance is the world's leading cryptocurrency trading platform, known for its high liquidity, low transaction rates and rich trading pairs. 1. The official website entrance is: [adid]fbd7939d674997cdb4692d34de8633c4[/adid]. Users in some regions need to use vp n or visit regional branch stations; 2. The official APP download method includes: through the official website/iOS download link [adid]9f61408e3afb633e50cdf1b20de6f466[/adid], or download the APK installation package [adid]758691fdf7ae3403db0d3bd
Aug 06, 2025 pm 11:30 PM
Blockchain browser is a necessary tool for querying digital currency transaction information. It provides a visual interface for blockchain data, so that users can query transaction hash, block height, address balance and other information; its working principle includes data synchronization, parsing, indexing and user interface display; core functions cover querying transaction details, block information, address balance, token data and network status; when using it, you need to obtain TxID and select the corresponding blockchain browser such as Etherscan or Blockchain.com to search; query address information to view balance and transaction history by entering the address; mainstream browsers include Bitcoin's Blockchain.com, Ethereum's Etherscan.io, B
Aug 06, 2025 pm 11:27 PM
The blockchain consensus algorithm is the core mechanism to ensure data consistency and transaction effectiveness in a decentralized network. Its main functions include preventing dual payments, maintaining network security and realizing decentralization; Bitcoin adopts Proof of Work (PoW), which operates through mining, difficulty adjustment, longest chain principle and miner reward mechanism, which is highly secure but has a large energy consumption and low throughput; other mainstream algorithms include Proof of Stake (PoS), which obtains accounting rights through collateral tokens, which consumes low energy but poses a risk of "the richer the richer"; Delegated Proof of Stake (DPoS) to register accounts through voting, with high efficiency but low decentralization; Practical Byzantine Fault Tolerance (PBFT) is suitable for alliance chains, providing immediate final certainty but large communication overhead; different algorithms achieve final certainty methods without
Aug 06, 2025 pm 11:24 PM
The evolution of ICO to IEO marks the progress of digital currency crowdfunding from disorder to standardization; 1. ICO issuing tokens directly by the project party, and the lack of supervision leads to project quality disparity and insufficient investor protection; 2. IEO is led by the exchange for review and sales, and enhances security and efficiency through reputation endorsement, improving liquidity, and lowering the participation threshold; 3. Major exchanges such as Binance, OKX, and Huobi promote the development of IEO through strict screening and diversified participation mechanisms; 4. In the future, the crowdfunding model will continue to evolve towards decentralized IDO, LBP and compliant STO to meet the higher requirements of transparency, compliance and community participation.
Aug 06, 2025 pm 11:21 PM
The investment strategies of "Giant Whale" and retail investors are significantly different. The former relies on the advantages of capital to make long-term layout, buy on lows and participate in governance, while the latter often chases ups and sells downs, relies on lagging information, and is easily driven by emotions; 1. Giant Whale uses long-term holding, over-the-counter trading, risk hedging, etc. to avoid market shocks; 2. Retail investors should improve decision-making rationality by formulating plans, diversifying investment, regular investment and controlling emotions; 3. It is recommended to choose safe, reliable and highly liquid exchanges such as Binance, OKX, and Huobi for trading to ensure asset safety and operational efficiency.
Aug 06, 2025 pm 11:18 PM
The difference between hard forks and soft forks is compatibility and chain splitting: 1. Hard forks are incompatible upgrades, and old nodes cannot verify new rules, resulting in permanent splitting of blockchains and may generate new coins, such as Bitcoin Cash; 2. Soft forks are backward compatible upgrades, and old nodes can still verify new blocks, and the chain does not split and new coins, such as isolation witnesses; users should protect the private keys for hard forks, pay attention to exchange announcements, withdraw coins to personal storage and operate with caution, while soft forks do not need to receive new coins, they only need to update the storage software and understand the new rules; mainstream exchanges such as Binance, Ouyi, and Huobi will decide whether to support and distribute fork coins based on the fork situation, and the specificity is subject to the official announcement.
Aug 06, 2025 pm 11:15 PM
NFT is a unique and indivisible digital asset. Unlike homogeneous digital currency, its core lies in uniqueness, scarcity and proof of ownership. 1. It has a unique identity; 2. It is indivisible; 3. It is limited in quantity; 4. It records ownership on the chain; 5. It can represent multiple types of assets such as art, games, and music. Mainly used in: 1. Digital artwork; 2. Game props; 3. Digital collectibles; 4. Music entertainment; 5. Meta-universe virtual real estate; 6. Decentralized domain names; 7. Identity ticketing. The purchase steps are: 1. Select the blockchain and obtain the corresponding tokens such as ETH; 2. Install MetaMask and other storage and securely backup mnemonics; 3. Withdraw ETH from the exchange or fiat currency; 4. Connect and store to platforms such as OpenSea; 5. Browse
Aug 06, 2025 pm 11:12 PM
The core concepts of DeFi include smart contracts, decentralized applications (DApps), liquidity, pledge and income farming; 1. Smart contracts are automatically executed and tampered with code that constitute the cornerstone of DeFi; 2. DApps are applications running on the blockchain, and lending, trading and other functions are realized through smart contracts; 3. Liquidity is provided by users and deposited into liquidity pools to support transactions and receive rewards; 4. Pledge refers to users locking tokens to support network operation and obtaining income; 5. Income farming is a strategy by transferring assets between different protocols to maximize returns.
Aug 06, 2025 pm 11:09 PM
Blockchain is a decentralized distributed ledger technology with five core features: decentralization, distributed storage, immutability, transparency and traceability, providing underlying technical support for virtual currencies; virtual currencies are digital assets issued based on blockchain, relying on cryptography to ensure security, and their issuance and transactions must be completed through blockchain; virtual currency transactions must be initiated, digital signatures, broadcast transactions, verification transactions, packaging into blocks, mining k/consensus mechanisms, synchronization of the entire network and transaction confirmation; mainstream trading platforms include 1. Binance (the world's largest cryptocurrency exchange, providing diversified services), 2. OKX (supports multiple transaction methods, focusing on security and innovation), 3. Huobi (old brand)
Aug 06, 2025 pm 11:06 PM
Through its core components - distributed ledgers, cryptography, consensus mechanisms and smart contracts, blockchain technology has built a decentralized, secure and programmable trust system. The key to supporting innovation is to enable reliable transactions without trust intermediaries. 1. In the field of financial services, it empowers decentralized finance (DeFi), realizes automatic lending without credit scores and KYC, improves efficiency and reduces costs; 2. Real-time, low-cost transfer and instant settlement of funds through cross-border payments; 3. Promote asset tokenization and improves liquidity, separability and accessibility of assets; 4. In supply chain management, use its immutability and transparency to achieve full-process product traceability and supply chain transparency, crack down on counterfeit and shoddy products and improves collaboration efficiency
Aug 06, 2025 pm 11:03 PM
Blockchain is a decentralized system based on distributed ledger technology. Its core concepts include: 1. Decentralization, data is maintained by all participants; 2. Immutable, ensuring that data cannot be modified once recorded; 3. Transparency, all transactions are publicly visible; 4. Anonymity, protecting user privacy; 5. Distributed storage, improving security. However, blockchain also faces challenges such as 51% attacks, insufficient scalability, data storage pressure and regulatory uncertainty. Virtual currency is a direct application of blockchain and has the characteristics of non-sovereignty, decentralized transactions, limited supply and global circulation. To participate in virtual currency transactions, you need to choose a secure platform, and it is recommended to use mainstream exchanges such as Binance, OKX and Huobi. The operation process is divided into three
Aug 06, 2025 pm 11:00 PM
The operating mechanism of virtual currency is based on blockchain technology, and its core includes hashing algorithms, consensus mechanisms and smart contracts. 1. The hashing algorithm ensures the uniqueness and immutability of each block. The Merkle tree efficiently verifies data integrity by generating a transaction root hash; 2. The consensus mechanism realizes decentralized trust, where proof of work (PoW) relies on computing power to ensure security, and proof of stake (PoS) determines accounting rights with currency holding weight, improving energy efficiency; 3. Smart contracts are automatically executed protocols, and transactions can be completed without intermediaries. They are widely used in DeFi, NFT and other fields; 4. Virtual currency transactions are authorized through private key signatures, and are on-chain records after verification by the network. Asset transactions can be controlled independently by users on the decentralized exchange (DEX).
Aug 06, 2025 pm 10:57 PM
The core support technology of virtual currency is blockchain. 1. Blockchain provides a trust mechanism, security guarantee and operation basis for virtual currencies through decentralization, immutability, transparency and traceability; 2. The types of virtual currencies include native cryptocurrencies, stablecoins, platform coins, privacy coins, governance tokens and NFTs, and their value realization depends on blockchain technology; 3. Blockchain is also widely used in supply chain management, digital identity, intellectual property, medical health, voting systems and financial services, promoting digital transformation in multiple industries; 4. Virtual currency transactions on trading platforms require four steps: registration verification, capital recharge, currency transaction and asset management, and rely on blockchain to ensure that transactions are authentic and reliable; 5. Security measures such as dual authentication,
Aug 06, 2025 pm 10:54 PM
Proof of Work (PoW) ensures safety through computing power competition, but has high energy consumption and slow speed; 2. Proof of Stake (PoS) determines the accounting rights by holding currency weight, reducing energy consumption and improving efficiency, but there is a risk that "the richer is richer"; 3. Delegated Proof of Stake (DPoS) achieves high-speed transactions and low energy consumption through voting and election of representatives, but has a low degree of decentralization; 4. Proof of Authoritative (PoA) relies on the consensus of trusted nodes and is applicable to license chains, with the highest efficiency but high degree of centralization; these consensus algorithms have jointly shaped the diversity and evolution direction of the virtual currency ecosystem by weighing security, efficiency and decentralization, and have promoted the widespread application of blockchain technology in different scenarios.
Aug 06, 2025 pm 10:51 PM
The core of virtual currency transaction security lies in understanding the decentralized, immutable, cryptography and consensus mechanism of blockchain technology. 1. Select safe and reliable exchanges such as Binance, OKX, and Huobi; 2. Enable two-factor authentication, use strong passwords, set up a whitelist for withdrawals, turn on anti-phishing codes and bind secure mailboxes and mobile phones; 3. Use offline storage, use hardware storage, avoid cloud synchronization and prevent malware to properly keep private keys/mnemonics; 4. Beware of phishing websites, phishing emails, social media scams, transaction address forgery and social engineering attacks; 5. Timely update the operating system, browser, storage applications and install anti-virus software; 6. Reduce risks through decentralized storage and diversified investment. Only by comprehensively using these strategies can the digital be effectively protected.
Aug 06, 2025 pm 10:48 PM
Walmart and Amazon are exploring stablecoins to reduce payment costs, enhance data control and promote financial inclusion. 1. Reduce costs: by reducing the fees in the middle links of traditional payments; 2. Data control: build a self-built payment system to obtain user transaction data to optimize marketing; 3. Financial inclusion: provide financial services to users without bank accounts; but faces challenges such as regulatory uncertainty, technical risks and user acceptance. At present, Walmart only applied for patents but has not been implemented. Amazon is deploying blockchain through AWS and integrating the crypto payment ecosystem.
Aug 04, 2025 pm 10:18 PM
Tether will stop supporting USDT on five blockchains on September 1, 2024, 1. Kusama (KSM), 2. Bitcoin Cash SLP (BCH SLP), 3. Omni (USDT based on Bitcoin network), 4. Tezos (XTZ), 5. EOS; users need to migrate their assets to mainstream chains such as Ethereum, Tron or Solana, or redeem them as fiat currency, and they may not be able to access assets after the deadline; this move aims to optimize resources, improve security and concentrate on high-liquidity networks, and at the same time promote the industry to concentrate on mainstream public chains. The affected ecosystem needs to seek alternative stablecoins, highlighting the importance of cross-chain asset management.
Aug 04, 2025 pm 10:15 PM
The stablecoin market is dominated by USDT and USDC, forming a "double oligopoly" pattern. 1. USDT has occupied about 70% of the market share with its first-mover advantage and a market value of over US$100 billion, becoming the cornerstone of liquidity in the crypto market. Although reserve transparency has been questioned; 2. USDC has won the favor of institutions with its high compliance and transparent reserves, and its market value exceeds US$50 billion. It is an important tool for DeFi and cross-border payments, but it has exposed centralized risks in the Silicon Valley banking crisis; 3. The causes of duopolypoly include liquidity network effects, trust barriers and complementarity brought about by the differentiation of regulatory paths; 4. Despite facing regulatory pressures such as the US Stablecoin Act and challenges such as emerging competitors such as PYUSD and DAI, the dominance of the two will still be difficult to be subverted in the short term.
Aug 04, 2025 pm 10:12 PM
Purchase stablecoins can be achieved through bank transfers, credit card/debit card payments, P2P transactions and fiat currency deposit channels; 2. Bank transfers are safe but time-consuming, and you need to pay attention to the issues of postscript filling, bank limits, cross-border delays and information consistency. Solutions include contacting customer service, batch transfers and checking account information; 3. Credit card/debit card payment is convenient but high, and may be subject to bank risk control, transaction limits, information errors, 3D verification failures or IP restrictions are rejected. Cards should be replaced, information checked, limits should be increased or IP compliance should be ensured; 4. P2P transactions are flexible but with fraud risks. You should choose platforms with custody services such as Binance and OKX, and give priority to high completion rates and high praise merchants. Strictly follow the platform process to pay and click "I have paid", to ensure that
Aug 04, 2025 pm 10:09 PM
The safest and most convenient way to buy stablecoins is through centralized exchanges or peer-to-peer trading. 1. Choose a centralized exchange with good reputation and supports fiat currency deposits, such as Binance, OKX or Huobi; 2. Complete registration and KYC identity verification; 3. Make fiat currency deposits through bank transfers, credit cards, etc.; 4. Use fiat currency to directly purchase stablecoins such as USDT and USDC in the trading interface; 5. You can choose to withdraw stablecoins to personal storage, pay attention to the verification address and network. In addition, you can directly trade with the seller through P2P transactions. You need to select high-reputation sellers, check payment information, avoid notes on sensitive words, and retain payment vouchers. Mainstream stablecoins include USDT, USDC, BUSD and DAI, recommended by beginners
Aug 04, 2025 pm 10:06 PM
Binance provides an intuitive interface and strong liquidity; 2. Ouyi OKX supports a variety of stablecoins and efficient transactions; 3. Sesame Open Door Gate.io has rich currency types and convenient fiat currency channels; 4. Huobi provides mainstream stablecoin trading and smooth experience; 5. KuCoin has a wide range of altcoins choices and multiple purchase methods; 6. Kraken is known for its strict security standards and stable environment; 7. BITFINEX supports rich trading tools and a variety of stablecoins; 8. Bitstamp, as an early platform, focuses on security compliance and simplified experience. These platforms have outstanding performance in terms of security, user experience and functional diversity, and are suitable for stablecoin buyers with different needs.
Aug 04, 2025 pm 10:03 PM
