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.

The duration of the airdrop dividend is uncertain, but the LayerZero, StarkNet and ZK ecosystems still have long-term value. 1. LayerZero achieves cross-chain interoperability through lightweight protocols; 2. StarkNet provides efficient and low-cost Ethereum L2 expansion solutions based on ZK-STARKs technology; 3. ZK ecosystem (such as zkSync, Scroll, etc.) expands the application of zero-knowledge proof in scaling and privacy protection; 4. Participation methods include the use of bridging tools, interactive DApps, participating test networks, pledged assets, etc., aiming to experience the next generation of blockchain infrastructure in advance and strive for potential airdrop opportunities.

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.

Ordinary investors can discover potential tokens by tracking "smart money", which are high-profit addresses, and paying attention to their trends can provide leading indicators. 1. Use tools such as Nansen and Arkham Intelligence to analyze the data on the chain to view the buying and holdings of smart money; 2. Use Dune Analytics to obtain community-created dashboards to monitor the flow of funds; 3. Follow platforms such as Lookonchain to obtain real-time intelligence. Recently, Cangming Money is planning to re-polize LRT track, DePIN project, modular ecosystem and RWA protocol. For example, a certain LRT protocol has obtained a large amount of early deposits, a certain DePIN project has been accumulated continuously, a certain game public chain has been supported by the industry treasury, and a certain RWA protocol has attracted institutions to enter.

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 Restaking project is becoming a new hot spot in the Ethereum ecosystem. This article lists the top ten projects that are worth paying attention to and their core indicators. 1. EigenLayer: core protocol, supports AVS expansion, attracting more than US$10 billion in pledged assets; 2. Ethos: modular security market, supports multiple link entry; 3. Karak: user experience is preferred, providing one-click pledge process; 4. Symbiotic: open security protocol, compatible with multiple pledged assets; 5. Bunker Finance: applied in the DeFi risk control field; 6. ZeroLayer: focusing on infrastructure verification; 7. Lava Protocol: focusing on RPC

Yes, Web3 infrastructure is exploding expectations as demand for AI heats up. Filecoin integrates computing power through the "Compute over Data" plan to support AI data processing and training; Render Network provides distributed GPU computing power to serve AIGC graph rendering; Arweave supports AI model weights and data traceability with permanent storage characteristics; the three are combining technology upgrades and ecological capital promotion, and are moving from the edge to the underlying core of AI.

The Ethereum Layer 2 solution effectively improves transaction speed and reduces costs by processing transactions off-chain and submitting them in batches to the main chain. Mainstream technologies include Optimistic Rollups (such as Arbitrum, Optimism) and ZK Rollups (such as zkSync, StarkNet). 1.zkSync achieves rapid withdrawal and promotes zkEVM compatibility with zero knowledge proof, attracting a large number of users to participate in DeFi, NFT and other ecosystems; 2.Blast provides pledge income through native income model, combines Optimistic Rollup technology and plans to integrate ZK proof to enhance liquidity attractiveness; 3.Base relies on Coinb