USDC was first deployed on the Ethereum main network and adopted the ERC-20 standard. It currently supports more than ten mainstream blockchain networks including 1. Ethereum, 2. Polygon, 3. Arbitrum, 4. Optimism, 5. Solana, 6. Avalanche, 7. Base, 8. Stellar, 9. Tron, 10. Near, 11. Algorand, 12. Flow, etc. Each chain version is suitable for different scenarios. Users need to confirm the contract address through the Circle official website to ensure safe use.

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.

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

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

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.

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

Using stablecoins to exchange Bitcoin requires choosing a formal platform and following safe operating procedures. 1. Select large exchanges such as Binance, Coinbase, OKX that support USDC, USDT and BTC trading pairs; 2. After registration, complete KYC certification, bind payment methods and enable two-factor verification; 3. Recharge stablecoins to the specified link address of the platform, confirm that the link and contract are correct and wait for block confirmation; 4. Enter the spot trading page, select stablecoin/BTC trading pair, and place an order through market order or limit order; 5. After the transaction is completed, you can withdraw BTC to your personal money bag or continue to hold it in the trading account; 6. Pay attention to calculating the handling fee, avoid high slippage, and select smooth network operation. Pay attention to safety and details throughout the process

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.