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TBC (TuringBitChain) 是一个作为比特币硬分叉开发的区块链项目，旨在提供可扩展、安全和成本高效的点对点数字交易。TBC 基于工作量证明共识和 UTXO 模型，专注于支持大规模支付活动和链上应用，同时保持去中心化和透明验证。

随着区块链的应用从早期实验扩展到现实世界的金融用例，网络拥堵、高交易费用和吞吐量受限等局限性继续限制许多网络的可用性。TBC 将自己定位为一个基础设施驱动的区块链，旨在通过与比特币原始支付导向意图相一致的架构增强来解决这些挑战。

在 2008 年发布的比特币白皮书中，中本聪指出：

“一个纯粹的点对点电子现金版本将允许在线支付直接从一方发送到另一方，而无需通过金融机构。”

TBC 以这一原则为框架，优先考虑可扩展的链上容量、高效的交易处理和可预测的交易成本。

工作量证明安全性和网络完整性

安全性仍然是 TBC 设计的基础要素。该网络基于工作量证明共识运行，保留了比特币已建立的安全假设和去中心化验证模型，同时支持分布式的矿工和节点生态系统。

中本聪在区块链系统中讨论了透明性和隐私之间的权衡，指出：

“该系统旨在保护用户隐私，但并非绝对。每笔交易都会在网络上广播。”

他还评论了工作量证明系统中的能源消耗：

“比特币所能实现的交易的效用将远远超过所用电力的成本。因此，不拥有比特币将是净浪费。”

TBC 通过将工作量证明视为必要的安全投资来反映这一理念。该网络引入了以效率为中心的基础设施优化，旨在提高可扩展性和节点可访问性，同时保持可验证和透明的链上数据。动态数据修剪等技术旨在减少在典型操作条件下轻量级节点的存储开销。

低交易成本和实用支付效用

支付可用性是 TBC 的核心商业目标。高交易费用和拥堵限制了区块链在日常转账、微交易和汇款中的适用性。

中本聪警告不要过度防御机制，以免削弱合法使用，指出：

“我们必须设定足够高的门槛以防止垃圾邮件，但又要足够低以允许合法使用。”

TBC 通过扩展区块容量和优化交易验证来应对这一挑战。该网络旨在支持高交易量，同时保持验证效率，使交易成本在典型网络条件下保持低水平。这种方法支持需要频繁转账、可预测费用和支付可扩展性的用例。

吞吐量和链上可扩展性

可扩展性仍然是寻求广泛采用的区块链网络的关键要求。2010 年，中本聪观察到：

“我相信在 20 年后，要么会有非常大的交易量，要么没有交易量。”

TBC 通过大型区块架构来应对这一挑战，旨在支持比传统比特币实现更高的交易吞吐量。通过利用并行 UTXO 验证和优化的区块处理，该网络旨在直接在链上处理持续的交易增长，减少对分层扩展解决方案的依赖。

这种可扩展性支持支付处理、数据密集型应用程序以及通常与企业和大规模部署相关的区块链用例。

基于 UTXO 的智能合约和链上应用

尽管比特币最初并未被定位为智能合约平台，但中本聪强调了其脚本系统的可扩展性，指出：

“脚本语言旨在灵活和可扩展……未来可以添加多签名交易、时间锁定和更复杂逻辑等高级功能。”

在此基础上，TBC 引入了一个基于 UTXO 的智能合约框架，旨在实现先进的链上逻辑，同时保留比特币的交易架构。智能合约在交易输出级别独立执行，减少了全局状态拥堵，提高了执行效率。

该网络支持去中心化应用程序、链上代币标准和数字资产，所有数据存储均在链上维护，以增强透明度、可审计性和长期数据完整性。

结论

比特币被引入作为一个开放实验。在他最后的通讯中，中本聪写道：

“比特币是一个实验。让我们看看它的结果。”

他还表示：

“如果你不相信我或不理解，我没有时间去试图说服你，抱歉。”

TBC 将自己定位为这一持续实验的一部分，通过现代可扩展性、成本高效的交易和扩展的链上功能，延续比特币最初以支付为中心的愿景。通过结合工作量证明安全性、大区块吞吐量和基于 UTXO 的可编程性，TBC 提供了一个旨在实现现实世界采用和持续交易量的区块链基础设施。

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