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How to query blockchain transaction records?

Jun 23,2025 at 09:29am

Understanding Blockchain Transaction RecordsBlockchain technology is the foundation of cryptocurrencies like Bitcoin and Ethereum. Every transaction that o...
How does a decentralized exchange (DEX) work? How is it different from a centralized one?

Jun 22,2025 at 10:07pm

What is a Decentralized Exchange (DEX)?A decentralized exchange, commonly known as a DEX, operates without a central authority overseeing transactions. Unl...
What are ICOs and IDOs in cryptocurrency? How to identify high-quality projects?

Jun 22,2025 at 11:49am

Understanding ICOs in CryptocurrencyInitial Coin Offerings (ICOs) are fundraising mechanisms used by cryptocurrency startups to raise capital for their pro...
What is staking in cryptocurrency? What are the benefits and risks?

Jun 22,2025 at 10:01am

Understanding the Concept of Staking in CryptocurrencyStaking in cryptocurrency refers to the process of actively participating in transaction validation o...
What is a DAO decentralized autonomous organization? How to participate in governance?

Jun 22,2025 at 04:00am

Understanding the Concept of a DAOA Decentralized Autonomous Organization (DAO) is an entity that operates without centralized leadership, governed entirel...
What is the core concept of Web3.0? How is it different from Web2.0?

Jun 21,2025 at 05:56pm

Decentralization as the Foundation of Web3.0The core concept of Web3.0 revolves around decentralization, which fundamentally challenges the centralized arc...
How to backup and restore cryptocurrency wallets?

Jun 21,2025 at 06:21am

What Is a Cryptocurrency Wallet Backup?A cryptocurrency wallet backup refers to the process of securely saving your wallet's recovery phrase, private keys,...
What is blockchain cross-chain technology? What problems does it solve?

Jun 20,2025 at 10:28am

Understanding the Basics of Blockchain Cross-Chain TechnologyBlockchain cross-chain technology refers to a set of protocols and systems that enable interop...
What is blockchain gaming (GameFi)? How to make money while playing?

Jun 20,2025 at 07:56am

Understanding Blockchain Gaming (GameFi)Blockchain gaming, often referred to as GameFi, is a fusion of blockchain technology and video games. It enables pl...
What is zero-knowledge proof in blockchain? How to protect privacy?

Jun 20,2025 at 06:28am

Understanding Zero-Knowledge Proof in BlockchainZero-knowledge proof (ZKP) is a cryptographic method that allows one party to prove to another that they kn...
What is virtual land in the metaverse? How to trade and develop it?

Jun 20,2025 at 02:35am

Understanding Virtual Land in the MetaverseVirtual land in the metaverse refers to a digital space or plot of land within a virtual world, often represente...
What is an oracle in blockchain? How to ensure data authenticity?

Jun 19,2025 at 08:49pm

Understanding the Role of an Oracle in BlockchainIn the context of blockchain technology, an oracle serves as a bridge between the blockchain and external ...
What is the difference between PoW and PoS consensus mechanisms? A comprehensive comparison of advantages and disadvantages

Jun 19,2025 at 02:07am

Understanding Consensus Mechanisms in BlockchainBlockchain technology relies on consensus mechanisms to validate transactions and maintain the integrity of...
How is Ethereum gas fee calculated?

Jun 19,2025 at 01:43am

Understanding the Basics of Ethereum Gas FeesEthereum gas fees are a crucial aspect of interacting with the Ethereum blockchain. These fees represent the c...
Beginner-Friendly Web3 Guide: A Decentralized Journey from Scratch

Jun 18,2025 at 02:42pm

In recent years, the concept of Web3 has gained significant traction within the cryptocurrency community, promising a new era of decentralized internet. Fo...
How to verify a blockchain transaction?

Jun 18,2025 at 05:43am

Understanding the Basics of Blockchain TransactionsTo verify a blockchain transaction, it's essential to first understand what a blockchain transaction ent...
What is a state channel in blockchain?

Jun 18,2025 at 02:42am

Understanding the Concept of a State ChannelA state channel is a mechanism in blockchain technology that enables participants to conduct multiple transacti...
How to safely transfer large amounts of cryptocurrency?

Jun 17,2025 at 03:35pm

Understanding the Risks Involved in Transferring Large AmountsTransferring large amounts of cryptocurrency involves a unique set of risks that differ from ...

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