比特币生态系统瓶颈:主流采用的创新与适应

Odaily星球日报Published on 2024-02-26Last updated on 2024-02-26

Abstract

探索比特币生态系统的演变,通过SegWit和 Taproot 创新解决去中心化和安全挑战。了解dlcBTC如何为DeFi设定新标准。

十三年前,中本聪向 Bitcointalk 论坛成员发送了最后一条消息,通知他们“在 DoS 方面还有很多工作要做”。几年后,比特币社区越来越明显地意识到,要改善整个比特币网络,还有很多工作要做——不仅仅是针对 DoS 攻击。

认识到进一步发展的必要性和建立更务实的用例的愿望有助于培育比特币生态系统的繁荣环境。迄今为止,该网络已经经历了两项重大技术变革——SegWit 和 Taproot 升级。这些升级对于开发比特币协议至关重要,特别是支持构建其生态系统应用程序和去中心化金融。

本文讨论了当前比特币生态系统项目面临的两个主要问题(去中心化和安全性)以及谨慎日志合约(DLC)如何解决这些问题。

什么是比特币生态系统?

比特币生态系统是指旨在提高比特币区块链的使用和效率的解决方案、应用程序和数字资产。在讨论比特币生态系统当前的焦点之前,我们先来深入了解一下比特币网络的历史发展。

比特币网络的历史发展

古代的智者说,人的一生都有历史,不以历史为教训的人注定会失败。确实,我们或许不是历史的创造者,但我们是历史所创造的。要了解我们现在所处的位置,有必要深入研究影响比特币发展的重要里程碑。

自从 2009 年 1 月 3 日开采比特币区块链的创世块以来,比特币引起了开发者和商业界的关注。多年来,比特币的主要活动以比特币挖矿和交易为中心,包括交易所、钱包、芯片、集成电路和应用软件。

随着数字资产越来越受欢迎,人们开始探索比特币区块链上更多的实际用例。然而,他们面临技术瓶颈,通常与区块链三难困境相关。三难困境是创建同时满足去中心化、安全性和可扩展性需求的区块链网络的挑战。

区块链三难困境:来源

三者中,去中心化和安全性通常被认为是更本质的特征。因此,如何在不牺牲比特币区块链的去中心化和安全性的情况下提高可扩展性已成为比特币技术进步的核心问题。

我们来看看比特币迄今为止经历的技术升级:

  • 隔离见证( SegWit )升级

SegWit 是 2017 年实施的第一个重大技术比特币核心升级。用最简单的话来说, SegWit 是一种在比特币区块链上存储数据的更新方式,有助于其更快地运行。它将比特币交易分为交易数据和见证数据:

  • 交易数据由交易本身的信息组成,例如发送者和接收者的钱包地址。

  • 见证数据由充当真实性证书的网络签名组成。

在实施 SegWit 之前,两个数据集一起存储在新块上。将见证数据与交易数据分离允许每个区块中包含更多交易,并提高了比特币区块链的速度和容量。

  • Taproot 升级

Taproot 升级于 2021 年实施,使比特币区块链能够批量处理多个签名和交易。从长远来看,这使得验证过程更快、更私密、更安全。此前,比特币交易是单独验证的。根据用户数量,这可能会减慢网络速度并造成网络拥塞,从而导致验证时间变慢和费用更高。

Taproot 包括三个主要的比特币改进提案(BIP):

  • BIP 340 ( Schnorr 签名)——引入了用于签署比特币交易的 Schnorr 签名算法规范。与之前的版本相比, Schnorr 签名具有更高的效率、更小的签名大小、更高的安全性和签名聚合功能。

  • BIP 341 (隔离见证 v1 和 Taproot) - 该提案使智能合约在外部看起来与常规交易没有区别,从而提高了隐私性。此外,它最大限度地减少了交易规模,从而降低了交易费用。

  • BIP 342 ( Tapscript ) – 它更新了比特币网络的脚本语言,使其轻松兼容 Schnorr 签名和 Taproot。

比特币生态系统当前的焦点

继比特币两次技术升级之后,比特币生态系统的发展方向集中在开发扩容解决方案和资产发行协议上。

资产发行协议

自 2023 年初以来,比特币网络上的资产发行协议出现了大幅增长。 Ordinal 协议下的各种 BRC-20 标准代币带来显着的财富效应后,更多的协议被引入市场,例如:

1. Ordinals 序数协议

Ordinals 协议于 2023 年推出,包括编号理论和铭文。编号理论为 Satoshis (最小的比特币单位)分配唯一标识符,而 Inscription 则通过未花费的交易输出(UTXO)附加内容。 Ordinal 协议资产有两种主要类型——BRC-20 代币和 Ordinal NFT。

2. Atomicals 原子协议

Atomicals 协议是基于 UTXO 的网络上的资产发行协议。它支持各种资产,例如可替代代币 ARC-20 标准、NFT、领域和集合容器。该协议经过创新,开发出比 Ordinals 协议更全面的资产发行协议。与 Ordinals 使用第三方排序器来排序资产交易相反, Atomicals 协议的 ARC-20 标准利用 Satoshi 来发行资产。

3. Runes 符文协议

Runes 协议是基于比特币 UTXO 的可替代代币协议,通过简单的元组(ID、OUTPUT、AMOUNT)和 OP_RETURN 操作确保管理和传输。它的开发是为了解决 BRC-20 使用 Ordinals 协议发行许多“垃圾”UTXO 的问题。

4. Taproot 资产协议

Taproot Assets 协议专注于资产发行和转让。它通过保持链外操作以避免浪费区块空间,解决了在比特币网络上高效发行和转移资产的挑战。

扩展解决方案

比特币扩容解决方案可以分为两种:链上扩容和链下扩容。链上扩容致力于通过修改区块大小来提高交易处理能力,如 BCH 等项目所示。另一方面,链下开发需要在比特币主网之外创建一个第 2 层交易网络,正如闪电网络等项目所证明的那样。

当前比特币生态系统项目面临的挑战

尽管上述比特币生态系统解决方案为该领域带来了独特的优势,但它们是以牺牲去中心化和安全性为代价的——这是区块链最重要的两个特征。让我们考虑一下 Rootstock 和 Taproot 资产,以更好地理解这一点。

在 Rootstock 中,保护锁定资金涉及委托公证人,他们是 PowPeg 联盟的重要成员。该联盟由以其严格的安全标准而闻名的领先区块链公司组成。然而,依赖第三方组织来管理 BTC 资金引发了与中心化相关的显着担忧。

锁定和解锁资金的外部处理引发了有关 Rootstock 生态系统内去中心化原则的问题。它促使人们对网络整体弹性、透明度和独立性的潜在影响进行严格审查,呼吁在安全措施和维护区块链技术的去中心化精神之间取得平衡。安全性和去中心化之间的交叉点是一个关键方面,需要仔细考虑并持续评估 Rootstock 平台的可持续发展。

在另一种情况下,Taproot 资产依赖第三方存储索引器来管理资产。如果没有它们,资金可能会永远丢失。因此,Taproot 用户必须运营自己的 BTC 全节点或依赖中心化服务器进行交易。这使得 Taproot 成为比特币生态系统中最中心化的解决方案之一。

DLC 作为理想的解决方案

DLCs是闪电网络的联合发明人Tadge Dryja,在 MIT 发明的加密结构,旨在促进两方之间的有条件支付。这里的各方指的是拥有比特币地址的实体——用户、机构、智能合约等。DLC 使“比特币托管合约”能够直接保存在参与者的钱包中,以便在其他链中使用。

基本上,DLC 的运行方式类似于多重签名钱包——需要多个签名来验证交易。但与钱包相反,DLC 本身并不监控用户余额。相反,它利用证明层来观察活动和裁判交易。

dlcBTC 是DLC.Link将于 2024 年四月推出的突破性金融工具。它将成为以太坊区块链生态系统中比特币的非托管代表。这种创新方法解决了与第三方托管相关的固有风险,提供了一种去中心化的替代方案,增强了加密交易的安全性和信任度。

通过使用 DLC, dlcBTC 将比特币安全地锁定在其本地链上,确保只有储户才能访问锁定的资金。通过消除第三方托管人的参与, dlcBTC 降低了相关风险,例如管理不善和恶意活动的可能性。这种去中心化的方法使用户能够更好地控制自己的资产,符合区块链技术的核心原则。

dlcBTC 的一大主要特点是其通过 DLC 密码箱实现的独特支付结构。如果发生安全漏洞或黑客攻击,只有存款人才能收到 BTC 存款。这种设计显着降低了潜在安全威胁的影响,保护了个人储户的资产并增强了 DeFi 生态系统的稳健性。

总之, dlcBTC 代表了在以太坊区块链上交易比特币的范式转变。整合非托管原则并利用智能合约技术增强了比特币持有的安全性,并培育了更加去信任和有弹性的金融基础设施,为不断发展的比特币生态系统中的去中心化金融工具设定了新标准。

结论

总之,以 SegWit 和 Taproot 升级等重大里程碑为标志的比特币生态系统的演变,反映了比特币主流化的持续努力。尽管资产发行协议和扩展解决方案取得了显着进步,但大多数项目仍然存在对中心化的担忧。 DLC 已成为一种理想的解决方案, dlcBTC 等创新产品就是例证。通过将比特币安全地锁定在其原生链上并消除第三方托管人, dlcBTC 开创了一种具有独特支付结构的去中心化方法,增强了 DeFi 的安全性和信任度。随着形势的发展,DLC 标志着朝着更具弹性和无需信任的金融基础设施迈出了关键的一步。

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