Cryptocurrency Encyclopedia

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What is a 51% attack? How can blockchain prevent this security threat?

Apr 05,2025 at 04:28am

A 51% attack is a significant security threat in the world of cryptocurrencies, particularly those that operate on a proof-of-work (PoW) consensus mechanis...
Comparison of handling fees for digital currency trading apps (latest ranking in 2025)

Apr 05,2025 at 03:00am

The following are the handling fees for some digital currency trading apps: Binance: The transaction fee rate varies according to the user's transactio...
What role does consensus mechanism play in blockchain? Why can't everyone keep accounts?

Apr 05,2025 at 12:29am

The consensus mechanism is a fundamental component of blockchain technology, serving as the backbone for maintaining the integrity and security of the netw...
Is the source of Chainlink's data reliable?

Apr 04,2025 at 10:56pm

Chainlink is a decentralized oracle network that plays a crucial role in connecting smart contracts with real-world data. The reliability of Chainlink's d...
What is a smart contract wallet? What are its advantages over traditional wallets?

Apr 04,2025 at 09:43pm

A smart contract wallet represents a significant evolution in the world of cryptocurrency, offering a new approach to managing digital assets. Unlike tradi...
What is the difference between public chain, consortium chain and private chain? What scenarios are suitable for each?

Apr 04,2025 at 09:21pm

In the world of blockchain technology, understanding the differences between public chains, consortium chains, and private chains is crucial for selecting ...
What is the basic concept of KDJ indicator?

Apr 04,2025 at 08:42pm

The KDJ indicator, also known as the Stochastic Oscillator, is a popular technical analysis tool used in the cryptocurrency market to predict price movemen...
What is a decentralized autonomous organization (DAO)? How does its governance mechanism work?

Apr 04,2025 at 07:57pm

A decentralized autonomous organization (DAO) is a revolutionary concept within the cryptocurrency and blockchain space, designed to operate without centra...
What is zero-knowledge proof (ZKP)? How does it protect Web3 privacy?

Apr 04,2025 at 07:28pm

Zero-knowledge proof (ZKP) is a cryptographic method that allows one party to prove to another that a given statement is true, without revealing any inform...
What are cold storage and hot wallets? Which method is better for protecting crypto assets?

Apr 04,2025 at 05:57pm

Cold storage and hot wallets are two primary methods for storing cryptocurrencies, each with its own set of advantages and security considerations. Cold st...
What is the exchange crash? How to judge whether a platform is safe?

Apr 04,2025 at 05:07pm

An exchange crash refers to a sudden and severe disruption in the operations of a cryptocurrency exchange platform, leading to significant financial losses...
What is a cross-chain bridge? How does it achieve interoperability between different blockchains?

Apr 04,2025 at 03:56pm

A cross-chain bridge is a crucial tool in the world of cryptocurrencies that enables the transfer of assets and data between different blockchain networks....
What is a blockchain? How does it achieve decentralized accounting?

Apr 04,2025 at 03:28pm

A blockchain is a distributed database that maintains a continuously growing list of records, called blocks, which are linked using cryptography. Each bloc...
Why can MEME coins soar and plummet? How is it different from mainstream cryptocurrencies?

Apr 04,2025 at 03:07pm

The world of cryptocurrencies is vast and diverse, with a wide range of digital assets that cater to different needs and interests. Among these, MEME coins...
What role does the Merkle tree play in the blockchain? Why can it verify data integrity?

Apr 04,2025 at 01:29pm

The Merkle tree plays a crucial role in the blockchain, primarily due to its ability to efficiently and securely verify data integrity. This article will d...
How are smart contracts automatically executed? What are the classic application scenarios?

Apr 04,2025 at 01:01pm

Smart contracts are self-executing programs stored on a blockchain that automatically carry out the terms of a contract between parties. They are designed ...
What exactly is decentralized finance (DeFi)? How is it different from traditional banks?

Apr 04,2025 at 12:07pm

Decentralized finance, commonly known as DeFi, represents a transformative shift in the financial sector by leveraging blockchain technology to create a mo...
What is Layer 2? How does it solve the problem of blockchain expansion?

Apr 04,2025 at 10:57am

Layer 2 refers to a secondary framework or protocol built on top of an existing blockchain system, known as Layer 1. The primary purpose of Layer 2 solutio...

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