在比特币减半、比特币ETF通过、比特币生态叙事爆发等多重利好因素的影响下，2024年注定是比特币之年，比特币不仅再次证明了自己作为加密货币之王的不可动摇地位，更引领了一场金融革命。围绕比特币生态建设的Layer2无疑将是最热门的赛道之一，成为推动比特币生态建设，解锁比特币潜能的关键力量。
The year 2024 is destined to be a year of bitcoin, driven by multiple advantages such as the halving of bitcoin, the passage of bitcoin ETF, and the outbreak of bitcoin eco-lo narratives. Bitcoins not only proved once again their unshakeable position as kings of crypto-currency, but also led a financial revolution.
一、比特币Layer2技术概述
I. Technical overview of the Bitcoin Layer2 technology
比特币网络架构设计初衷主要关注安全和去中心化，而非扩展性，导致在处理能力和交易速度上面临明显的限制。随着用户基数的扩大和交易需求的增加，这一限制成为比特币发展的一大瓶颈。比特币的每个区块大小限制在1MB左右，平均每10分钟生成一个区块，这导致全网的处理能力受限，进而引起交易延迟和手续费上升。在比特币流行初期，这些问题还不那么突出，但随着加密货币用户的增多，尤其是在市场热潮期，这些问题成为了用户体验的重要阻碍。
The Bitcoin network architecture was originally designed primarily to focus on security and decentralisation, rather than on expansion, resulting in clear constraints on processing capacity and speed of transactions. As the base of users expanded and demand for transactions increased, this limitation became a major bottleneck for bitcoin development. The size of each block in Bitcoin was limited to about 1MB, generating a block every 10 minutes, which resulted in a network-wide processing capacity that caused delays in transactions and fees to rise. In the early days of the Bitcoin epidemic, these issues were less prominent, but as the number of users of encrypted currency increased, particularly during the boom, they became an important impediment to user experience.
为解决比特币网络的扩展性问题，Layer2技术应运而生。Layer2技术的核心理念是在比特币现有的基础层（Layer1）之上构建一个新的层级，通过各种技术手段，如状态通道、侧链等，实现更高的交易吞吐量和更低的延迟，同时尽可能保持去中心化和安全性。这些技术的提出，开辟了解决比特币扩展性问题的新路径，不仅能够增加比特币网络的处理能力，还能拓宽比特币的应用场景，如微支付、智能合约等，随着技术的发展和应用的深入，Layer2技术还有潜力进一步开拓比特币的新用途，促进整个加密货币生态系统的成长和创新。
To address the expansion of the Bitcoin network, the Layer2 technology came into being. The core idea of Layer2 technology is to build a new layer on the existing base layer of Bitcoin (Layer1) to achieve higher transaction abstinence and lower delays, while maintaining as much centralization and security as possible, through a variety of technological instruments, such as state lanes, side chains, etc. The introduction of these technologies opens new avenues for addressing the expansion of bitcoin, which not only increases the processing capacity of the Bitcoin network, but also widens the application landscape of bitcoin, such as micropayments, smart contracts, etc., and as technology develops and applies, there is the potential for Layer2 technology to further develop new uses of bitcoins and promote the growth and innovation of the entire encrypted monetary ecosystem.
比特币Layer2技术特点
BitcoinLayer2 technical characteristics
1.提高交易速度: 比特币Layer2技术通过在比特币主链之外处理交易，显著提升了交易速度。闪电网络作为一种典型的实现，允许用户几乎即时完成交易，大大加快了支付速度。
Increased speed of transactions: Bitcoin Layer2 technology has significantly increased the speed of transactions by processing them outside the Bitcoin main chain. The lightning network, as a typical achievement, allows users to complete transactions almost instantaneously, significantly increasing the speed of payments.
2.降低交易成本：比特币Layer2技术通过批量处理交易和链下交易处理机制，显著降低了交易成本。在Layer2网络中，用户可以进行多笔交易，只有在最初和最后交易时才需要在主链上结算，减少了主链上的交易压力和相应的交易费用。这对于那些需要处理大量小额交易的应用尤为重要。
2. Reducing transaction costs: Bitcoin Layer2 technology has significantly reduced transaction costs through bulk processing and chain-to-chain transaction processing mechanisms. In the Layer2 network, users can conduct multiple transactions, which need to be settled on the main chain only at the time of the initial and final transaction, reducing transaction pressures and corresponding transaction costs on the main chain. This is particularly important for applications that need to deal with a large number of small transactions.
3.增强扩展性: 通过将交易处理从主链移至第二层，Layer2技术显著提高了网络的扩展性。这意味着网络可以处理更多的交易，同时减少每笔交易的成本。
3. Enhancing expansion: By moving transaction processing from the main chain to the second layer, the Layer2 technology has significantly increased the expansion of the network. This means that the network can handle more transactions while reducing the cost of each transaction.
4.保障安全性: 尽管Layer2技术在尽可能地保持比特币主链的安全性，但其安全性依然受到所采用具体技术的影响。例如，状态通道要求用户定期在线以监控潜在的欺诈行为。
4. Security: Although the Layer2 technology is maintaining as much security as possible in the Bitcoin chain, its safety is still affected by the specific technology adopted. For example, the status lane requires users to monitor potential fraud on a regular basis online.
5.保持去中心化程度: Layer2解决方案尽管力求保持网络的去中心化特性，但某些技术实现可能会引入新的信任层级或依赖于特定的节点来运作，这在一定程度上影响了去中心化程度。
5. Maintaining decentralisation: While the Layer2 solution seeks to preserve the decentralisation character of the network, certain technology realizations may introduce new levels of trust or rely on specific nodes to operate, which in part affects decentralisation.
比特币Layer2和以太坊Layer2的区别
The difference between BitcoinLayer2 and Etheria Layer2
比特币和以太坊Layer2解决方案提供了在原有区块链架构之上进行扩展的途径，以解决扩展性问题并提高交易吞吐量。然而，这两种区块链的Layer2解决方案在设计、安全性继承方式以及与验证者的互动方面存在显著差异。以下是比特币Layer2和以太坊Layer2之间的几个关键区别：
The Bitcoin and the Ether2 solutions provide a way to expand on the original block chain structure to address expansion and increase transactional throughput. However, there are significant differences between the Layer2 solutions of the two blocks in design, safe inheritance and interaction with the certificationer. The following are some of the key differences between Bitcoin Layer2 and Ether 2:
1.安全性继承方式：以太坊Layer2解决方案如乐观Rollups和zk-Rollups，直接从以太坊主网继承安全性。通过要求验证者挑战欺诈交易（乐观Rollups）或使用零知识证明（zk-Rollups）确保交易的正确性，以太坊Layer2能够利用以太坊网络的安全机制保护交易。比特币Layer2解决方案，如Stacks、Rootstock（RSK）或Liquid Network，依赖于它们自己的安全和共识机制，尽管它们锚定于比特币的安全性和最终性。比特币验证者不直接参与第二层交易的执行或验证。
1. The safe way of inheriting is to ensure the correctness of the transaction by requiring the certificationer to challenge the fraudulent transaction (optimistic Rollups) or the use of zero knowledge certificates (zk-Rollups), and to protect the transaction using the security mechanisms of the Tairyer2 network. The Bitcoin Layer2 solution, such as Stacks, Rootstock (RSK) or Liquid Network, relies on their own security and consensus mechanisms, although they are set to anchor the security and finality of the bitcoin. Bitcoin verifiers are not directly involved in the execution or validation of the second tier of the transaction.
2.与验证者的互动：以太坊Layer2的安全性依赖于主网验证者的积极参与，验证者需要访问必要的数据或证明来重建第二层状态并验证交易。比特币Layer2的验证者主要聚焦于验证和确认比特币主链中的交易，而不直接介入第二层交易的验证。这意味着比特币Layer2网络需要依靠其内部的安全措施，而不是比特币验证者的直接干预。
Interaction with the certifying authority: The security of the Tai Taiku Layer2 relies on the active participation of the main network certifying officers, who need to access the necessary data or proof to re-establish the second tier and verify the transaction. The certification of the Bitcoin Layer2 focuses primarily on the validation and confirmation of transactions in the Bitcoin chain, rather than directly intervening in the certification of the second tier. This means that the Bitcoin Layer2 network needs to rely on its internal security measures rather than on direct intervention by the Bitcoin certifying officer.
3.应用和扩展性：以太坊Layer2设计主要聚焦于扩展智能合约的能力和整个网络的处理能力。通过乐观Rollups和zk-Rollups等技术，不仅提高交易速度和降低成本，还使得复杂的应用程序能在以太坊上运行，同时保持与以太坊主链相同的安全性级别。比特币Layer2是对比特币所进行的扩展方案，主要是针对比特币匮乏的应用场景以及相对低效的运行效率所做的上层扩展。
3. Applications and extensions: Taiwan Layer2 is designed to focus primarily on expanding the ability of smart contracts and the processing capacity of the network as a whole. By optimistic techniques such as Rollups and zk-Rollups, not only increases the speed of transactions and reduces costs, but also allows complex applications to operate on Ether, while maintaining the same level of security as the Ether House chain. Bitcoin Layer2 is an extension of Bitcoin, mainly based on top-level expansion of the scarce applications of Bitcoins and relatively inefficient operating efficiency.
二、比特币Layer2类型及代表项目
II. Bitcoin Layer type and representative project
比特币Layer2方案主要分为状态通道（State Channels）、侧链（Sidechains）、Rollup、PoS扩展等。
The Bitcoin Layer2 programme is divided mainly into State Channels, Sidechains, Rollup, PoS Extensions, etc.
1.状态通道（State Channels）
1. State Channels
状态通道是基于支付通道技术，通过链下进行交易，以实现低成本、高速度和高可扩展性的交易确认。
The status channel is based on payment channel technology and is traded through the chain to achieve low-cost, high-speed and high-extensible transaction recognition.
验证机制：状态通道中的交易在链外进行，仅在通道关闭时才提交到比特币主链，减轻主链负担，保持安全性。
Certification mechanism: Transactions in the state channel take place outside the chain and are submitted to the Bitcoin main chain only when the channel is closed, reducing the burden on the main chain and maintaining security.
代表项目：
On behalf of item:
闪电网络（Lightning Network）通过创建微支付通道网络，实现即时、高吞吐量的交易，适用于小额支付。
The Lighting Network, through the creation of a network of micro-payment channels, enables instantaneous, high throughput transactions to be applied to small payments.
RGB 协议旨在可扩展且具备隐私性的比特币和闪电网络智能合约系统，支持资产发行和转移。
The RGB protocol is designed to support the issuance and transfer of assets through an expanded and privacy-sensitive Bitcoin and Lightning Network Smart Contract System.
2.侧链（Sidechains）
2. Sidechain (Sidechains)
侧链是独立的区块链，通过双向跨链桥与主链（比特币）连接，实现资产在主链与侧链之间的安全转移。允许使用非BTC代币进行支付，并可实现用户资产发行、DeFi解决方案、承诺链扩展等。
The side chain is a separate block chain that connects assets safely between the main chain and the side chain (bitcoin) by means of a two-way cross-chain bridge. Payment is allowed in non-BTC tokens and allows the distribution of assets by users, the DeFi solution, the extension of the chain of commitments, etc.
验证机制：侧链采用自己的共识机制，资产从主链转移到侧链需要进行锁定，从侧链返回主链则需要解锁。可能因为验证节点过少导致中心化，不继承主链安全性等问题。
Certification mechanisms: Side chains use their own consensus mechanisms, assets shift from the main chain to the side chain needs to be locked, and return from the side chain needs to be unlocked. It may be that too few validation nodes lead to centralization and do not inherit issues such as the security of the main chain.
代表项目：
On behalf of item:
Rootstock (RSK)通过合并挖矿机制与比特币网络保持高度的安全性和去中心化。并兼容以太坊智能合约，允许开发者在比特币生态中部署和执行复杂的智能合约。
Rootstock (RSK) maintains a high level of security and decentralisation with the Bitcoin network through a combination of mining mechanisms. Compatibility with an ETA smart contract allows developers to deploy and execute complex smart contracts in the Bitcoin ecology.
Stacks: 通过“转账证明”共识机制与比特币链相链接，实现高度去中心化与可扩展性，引入智能合约和去中心化应用。
Stacks: High degree of decentralization and scalability, introduction of smart contracts and decentralization applications through the “transfer certification” consensus mechanism linked to the Bitcoin chain.
3.Rollup
Rollup是一种扩展性解决方案，通过将大部分交易数据和计算迁移到链外，仅在链上记录交易的摘要或汇总。
Rollup is an expansive solution by migrating most transaction data and calculations outside the chain and simply recording summaries or aggregations of transactions on the chain.
验证机制: 底层区块链仅需要验证提交至智能合约的证明，就可以验证Layer 2网络中的活动，但比特币网络本身不能验证数据可用性（DA）。
Certification mechanism: The bottom block chain only needs to verify the certificate of submission to an intelligent contract to verify the activities in the Layer 2 network, but the Bitcoin network itself cannot verify the availability of data (DA).
代表项目:
On behalf of item:
Merlin Chain：通过使用零知识证明技术，批量处理其执行层的交易并最终在比特币区块链上结算，旨在实现速度和资源管理（费用）的显著提升。
Merlin Chain: Through the use of zero-knowledge proof technology, bulk processing of transactions at its enforcement level and eventual settlement on the Bitcoin block chain are designed to achieve a significant improvement in speed and resource management (costs).
BitVM: 提出在比特币上可实现图灵完备的比特币合约解决方案，允许在比特币上运行复杂的合约。
BitVM: Proposing a fully fledged Bitcoin contract solution on bitcoin, allowing complex contracts to run on bitcoin.
4.PoS扩展
4. PoS Extension
通过权益证明（Proof of Stake, PoS）机制来保护和增强数字资产，尤其是比特币在公共区块链上的使用和管理，提高其在去中心化金融（DeFi）中的应用和安全性。
Protection and enhancement of digital assets, in particular the use and management of Bitcoin on the public block chain, through Proof of Stock, PoS mechanisms, and improvement of its application and security in decentralized finance (DeFi).
验证机制: 允许比特币持有者通过无需信任、自我托管的方式参与PoS链验证并获得收益，增强了比特币在DeFi领域的功能性和安全性。
Certification mechanism: Allowing Bitcoin holders to participate in and gain benefits from the PoS chain validation without trust, self-trust, enhances Bitcoin's functionality and security in the area of DeFi.
代表项目:
On behalf of item:
Babylon： 旨在扩展比特币以保护PoS经济，通过比特币权益证明协议，使比特币持有者能够从他们的空闲比特币中获得收益，无需信任第三方或桥接到另一个链上。
Babylon: The aim is to expand bitcoin to protect the PoS economy, enabling Bitcoin holders to benefit from their free bitcoin through a Bitcoin proof-of-interest agreement, without trusting a third party or the bridge to another chain.
BounceBit ：是一个专为比特币设计的BTC再质押链，其构建的BTC再质押基础设施为不同的再质押产品提供了一个基础层，该基础层由Mainnet Digital和Ceffu的受监管托管保障，采用BTC+BounceBit混合PoS机制进行验证。
BounceBit: a BTC re-serving chain designed specifically for Bitcoin, the BTC re-mortgage infrastructure provides a base for different re-mortization products, which is secured by the supervised trusteeship of Mainnet Digital and Ceffu and validated using the BTC+BounceBit hybrid PoS mechanism.
这些技术构成了比特币Layer2生态的基础，各自针对比特币网络的不同问题提供解决方案，共同推动了比特币网络向高效、可扩展的方向发展。
These technologies form the basis of the Bitcoin Layer2 ecology, providing solutions to the different problems of the Bitcoin network and contributing jointly to the development of the Bitcoin network in an efficient and scalable direction.
三、比特币Layer2发展现状
III. Status of the development of the Bitcoin Layer2
自从2023年铭文带动比特币生态崛起，比特币Layer2项目如雨后春笋竞相上线，催生了很多新的比特币二层项目，例如 Merlin、Bison、Bouncebit、NuBit 和 BitLayer 等，吸引了大量的投资和融资活动。同时一些老牌项目方也纷纷转向比特币Layer2叙事。例如Nervos Network从一个专注于Layer1解决方案的项目转变为比特币Layer2项目，并宣布将集成RGB++和推出CKB二层闪电网络，消息宣布后一个月代币价格上涨超过300%。MAP Protocol则从全链互操作协议转变为比特币Layer2项目，经历了多轮融资，也实现了代币价格的显著上涨。比特币Layer2如火如荼的势头也带动了各自生态的繁荣，涌现出Alex、Sovryn、Bounce、Multibit等去中西化应用项目。
Since 2023, when the motto led to the ecological rise of Bitcoin, the Bitcoin Layer2 project, like the rainy season, has led to the emergence of a number of new Bitcoin two-tier projects, such as Merlin, Bison, Bouncebit, Nubit, and BitLayer, which have attracted significant investment and financing. Some of the old projects have also moved from full-chain operating agreements to Bitcoin Layer2 narratives. For example, Nervos Network has moved from a project focused on the Layer1 solution to a Bitcoll Layer2 project, and announced the incorporation of RGB++ and the launch of the CKB two-tier lightning network, which has been announced to cost more than 300%.
据Defilama数据，截至3月29日，BounceBit锁仓价值（TVL）达 4.4亿美元，Lighting Network TVL达3.2亿美元，Stacks TVL达1.7亿美元，Merlin Chain TVL达9700万美元。根据Dune最新数据，Stacks质押的BTC数量为2,717枚，而Merlin Chain 质押的BTC数量为25,472枚，价值高达17亿美元。
According to Devilama, as at 29 March, the value of the BounceBit lockup (TVL) amounted to $440 million, Lighting Network TVL to $320 million, Stacks TVL to $170 million, Merlin Chain TVL to $97 million. According to the latest data from Dune, the number of BTCs pledged by Stocks was 2,717 and the number of BTCs pledged by Merlin Chain totalled $2,5472 valued at $1.7 billion.
已发币比特币Layer2生态TOP10项目
Ecotop10 in Bitcoin Layer2
四、比特币Layer2挑战和风险分析
IV. Bitcoin Layer2 challenge and risk analysis
比特币Layer2技术的快速发展，为比特币网络的扩展性和交易效率提供了前所未有的机遇。然而，这一新兴领域同时也面临着众多挑战和风险：
The rapid development of the Bitcoin Layer2 technology offers unprecedented opportunities for the expansion and trade efficiency of the Bitcoin network. However, this emerging area also faces many challenges and risks:
1.技术复杂性与用户接受度：Layer2解决方案通过在比特币基础层之上增加一个新的处理层来实现其目标，这无疑增加了整个系统的技术复杂度。对于普通用户来说，理解和信任这些新系统可能是一个挑战。用户需要了解如何在Layer2网络上开设和管理支付通道、如何进行跨链资产转移等，这些操作的复杂性可能会妨碍普通用户的接受和使用。
1. Technical complexity and user acceptability: The Layer2 solution achieves its objectives by adding a new processing layer above the Bitcoin base, which undoubtedly increases the technical complexity of the system as a whole. Understanding and trusting these new systems may be a challenge for ordinary users. Users need to know how to open and manage payment corridors on the Layer2 network and how to transfer assets across chains, etc. The complexity of these operations may hinder acceptance and use by ordinary users.
2.安全性与桥接协议风险：安全性是比特币Layer2网络面临的又一个重要挑战。尤其是Layer2网络如侧链所依赖的桥接技术，存在着严重的安全隐患。桥接协议通过在原链和目标链之间锁定和铸造等价资产来实现资产跨链，但这种设计已被证实存在安全和用户体验问题。尽管先进的桥接协议正在探索更安全的跨链连接方式，但截至目前，比特币Layer2项目仍然依赖此类安排，因此潜在的安全性问题仍然存在。
2. Security versus bridge agreement risk: Security is another important challenge for the Bitcoin Layer2 network. In particular, there are serious security risks associated with the Layer2 network, such as the bridging technology on which the side chain depends. The bridge agreement achieves the cross-linking of assets by locking and casting assets between the original chain and the target chain, but this design has proven to be a security and user experience problem. Although the advanced bridge agreement is exploring safer cross-chain connections, to date, the Bitcoin Layer2 project is dependent on such arrangements, and potential security problems remain.
3.流动性顾虑与集中化风险：例如闪电网络要求用户在支付通道中锁定资金，这可能导致流动性问题，即资金无法用于其他用途。此外，某些Layer2解决方案可能无意中引入集中化风险。例如，闪电网络中较大的支付通道可能会通过几个主导节点集中交易，潜在地破坏比特币的去中心化精神。
3. Mobility concerns and concentration risks: For example, lightning networks require users to lock funds in payment channels, which may lead to liquidity problems, i.e. funds cannot be used for other purposes. Moreover, some Layer2 solutions may inadvertently introduce the risk of concentration. For example, larger payment corridors in lightning networks may be traded centrally through several dominant nodes, potentially undermining Bitcoin's decentralisation.
4.集成与互操作性问题：Layer2解决方案与现有比特币基础设施的无缝集成以及不同Layer2解决方案之间的互操作性至关重要。缺乏互操作性可能导致生态系统碎片化，降低这些解决方案的整体效果。此外，Layer2网络的不同技术和标准可能导致兼容性问题，增加用户使用的复杂性和成本。
4. Integration and interoperability issues: The seamless integration of the Layer2 solution with the existing Bitcoin infrastructure and interoperability between the different Layer2 solutions are essential. Lack of interoperability can lead to the fragmentation of ecosystems and reduce the overall effects of these solutions. In addition, different techniques and standards of the Layer2 network can lead to compatibility problems, increasing the complexity and cost of user use.
五、比特币Layer2发展前景展望
V. Bitcoin Layer2 Development Outlook
比特币Layer2在解决比特币网络扩展性、提升交易效率方面展现出巨大潜力，发展前景令人期待。目前，多个Layer2项目已经取得显著进展，如闪电网络、侧链等技术不断演进，为比特币网络提供了更多元化的应用场景和解决方案。
BitcoinLayer2 has shown great potential for addressing the expansion of Bitcoin’s network and improving the efficiency of its transactions, and the prospects for development are promising. At present, a number of Layer2 projects have made significant progress, such as the evolution of technologies such as lightning grids, side chains, etc., providing a more diversified set of applications and solutions for Bitco’s network.
1.更强大的技术基础：随着加密技术和共识算法的持续创新，预计Layer2解决方案将变得更加完善、安全和用户友好。特别是，零知识证明等先进技术的应用，可能提供新的路径来增强这些网络的性能和隐私性。Taproot/Schnorr签名等升级将提升比特币在隐私和效率方面的表现，进一步增强比特币Layer2技术的基础设施。
1. A stronger technological base: As encryption technology and consensus algorithms continue to innovate, it is expected that the Layer2 solution will become more refined, secure and user-friendly. In particular, the application of advanced technologies, such as zero-knowledge proof, may provide new pathways to enhance the performance and privacy of these networks. Upgrading such as Taproot/Schnorr signatures will enhance Bitcoin’s performance in terms of privacy and efficiency and further enhance the infrastructure of the Bitcoin Layer2 technology.
2.Layer2解决方案的普及：闪电网络通过建立支付通道网络，实现即时交易和极低的手续费，已成为比特币微支付的重要推手。预示着其在未来可能成为比特币日常支付和小额交易的重要基础设施。侧链技术通过与主链的资产锁定和解锁机制，支持不同区块链之间的资产和数据转移，将为比特币带来了更广泛的应用场景。
2. The universalization of the Layer2 solution: By establishing a network of payment channels to achieve instantaneous transactions and very low handling fees, the lightning network has become an important pusher for Bitcoin micropayments. It portends that it may become an important infrastructure for daily payments and small transactions in Bitcoins in the future. Side-chain technology, through asset locking and locking mechanisms in the main chain, supports the transfer of assets and data between blocks and chains, and will bring a wider application to Bitcoin.
3.多样化应用和功能：随着技术的成熟和生态的完善，Layer2有望为比特币网络带来更高的交易吞吐量和更广泛的应用场景，包括但不限于快速支付、智能合约、去中心化金融等领域。项目如RGB和Stacks的发展，将使得更多的原生资产在比特币网络上发行，并扩展比特币的智能合约功能，使其成为多功能的区块链平台。
3. Diversification applications and functions: As technology matures and eco-improves, Layer2 is expected to bring higher transaction throughput and wider application scenarios to the Bitcoin network, including, but not limited to, areas such as rapid payments, smart contracts, decentralized finance. The development of projects such as RGB and Stacks will enable more original assets to be released on the Bitcoin network and expand the Bitcoin smart contract function to become a multifunctional sector chain platform.
4.开发者和企业的参与：随着更多开发者和企业深入参与比特币Layer2的研究和应用，预计将加速Layer2技术的创新，带来新的应用模式和商业机会。未来，Layer2技术可能成为连接比特币与广泛应用场景的关键桥梁，推动加密货币行业的整体发展。
4. Developers'and businesses'involvement: As more developers and firms become deeply involved in the study and application of Layer2 in Bitcoin, it is expected that the innovation of Layer2 technology will accelerate, bringing about new application models and business opportunities. In the future, Layer2 technology could become a key bridge to connect Bitcoin to the wider application landscape and contribute to the overall development of the crypto-currency industry.
5.全球支付和金融包容性：随着比特币现货交易基金（ETF）的推出，比特币进入了机构采用阶段，比特币的跨境特性和去中心化特质，使其有潜力成为全球范围内的支付工具，特别是在金融基础设施不发达的地区，比特币可能成为提高金融包容性的重要工具。
5. Global payments and financial inclusion: With the introduction of the Bitcoin spot trading fund (ETF), Bitcoin has entered the institutional adoption phase, and its cross-border and decentralized character has the potential to become a payment tool on a global scale, particularly in areas where financial infrastructure is underdeveloped. Bitcoin can be an important tool for improving financial inclusion.
综上，Layer2技术的探索和实践，不仅是对比特币扩展性问题的一种解决方案，更是加密货币技术发展过程中的一次重要创新。通过Layer2技术，比特币有望突破仅作为价值存储的局限，向价值传输和智能合约平台等多方向发展，随着技术的成熟和社区的支持，比特币Layer2解决方案有望在未来解锁更多的应用场景，为加密货币的广泛采用铺平道路。
Taken together, the exploration and practice of Layer2 technology is not only a solution to the problem of bitcoin expansion, but also an important innovation in the development of crypto-currency technology. Through Layer2 technology, Bitcoin is expected to break the limits of mere value storage, move in multiple directions such as value transfer and smart contract platforms, and as technology matures and communities support, the Bitcoll Layer2 solution is expected to unlock more applications in the future, paving the way for widespread adoption of crypto-currency.
Hotcoin Global作为一家成立7年的老牌交易所，十分关注比特币Layer2的发展动态，已上线STX、BADGER、MUBI、AUCTION等相关代币，并将持续关注和上线更多优质的比特币Layer2赛道资产，敬请期待。
Hotcoin Global, an established seven-year-old exchange, has followed with great interest the development of the Bitcoin Layer2 and is already on-line with the relevant tokens STX, BADGER, MUBI, AUCTION and will continue to pay attention to, and look forward to, more high-quality Bitcoin Layer2 track assets.
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