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The basic knowledge system of Bitcoin Layer 2 network The rise of Bitcoin inscriptions has brought new vitality to the Bitcoin ecosystem, attracting more attention to Bitcoin. In the technological development of the Bitcoin ecosystem, Layer 2 construction is of utmost importance. This article summarizes the basic knowledge of Bitcoin Layer 2, hoping to spark discussions and promote the development of this field. The blockchain world starts with Bitcoin and ends with the Bitcoin ecosystem. Ethereum can also be regarded as an exploration of a side chain technology of Bitcoin. 1. The mission to be accomplished by Layer 2 To understand what basic issues need to be addressed in the construction of Bitcoin's second layer, we will first start with the foundational characteristics of blockchain systems. 1.1 Basic Features and Requirements of Blockchain The blockchain can be seen as a "world computer". From this perspective, we can understand the various characteristics of blockchain: - Open and Transparent: This is a characteristic of blockchain's data storage and execution instructions, and it requires the participation of numerous global分

Basic Knowledge System of Bitcoin Layer 2 Network The rise of Bitcoin inscriptions has brought new vitality to the Bitcoin ecosystem, attracting more attention to Bitcoin. Some believe this has opened Pandora's box for the Bitcoin ecosystem. Among the various technological developments in the Bitcoin ecosystem, layer two construction is of utmost importance. This article aims to summarize the basic knowledge of Bitcoin layer two, hoping to provoke thought and attract more people to refine related ideas, thereby promoting the development of this field. The blockchain world begins with Bitcoin and ends with the Bitcoin ecosystem. Ethereum can also be seen as an exploration of a sidechain technology of Bitcoin. 1. The mission to be accomplished by Layer 2 To understand the basic issues that need to be addressed in the construction of Bitcoin's second layer, we begin with the fundamental characteristics of blockchain systems. 1.1 Basic Characteristics and Requirements of Blockchain Blockchain can be seen as a "world computer". From this perspective, we can understand the various characteristics of blockchain:

The L2 (Layer 2) network of BTC aims to improve the scalability, speed, and cost-effectiveness of BTC. These protocols simplify transaction processing and, in some cases, enable smart contract functionality, thereby addressing the limitations of BTC and making its ecosystem more scalable and feature-rich.

Bitcoin Layer-2 networks are secondary protocols built on top of the Bitcoin blockchain to enhance its scalability and transaction efficiency. They allow for faster and cheaper transactions by processing off-chain, thereby reducing congestion.

This week, the Bitcoin market performed steadily, with an Opening Price of around $108,386, closing with a slight rise. Macroeconomic factors have a relatively neutral impact on the market, with employment data exceeding expectations, while new legislation and trade policies bring uncertainty. Although capital inflows have diversified, the Spot ETF remains robust, and long-term holders show signs of reduction. Overall, the market may be brewing a fourth wave of rise, but attention must be paid to dumping pressure.