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Cryptoria|用简单的语言,讲述纷乱繁杂的加密世界

Cryptoria|用简单的语言,讲述纷乱繁杂的加密世界

News:Tech News

Ep.87「L2系列」Blob经济学:以太坊如何重新定义二层网络的成本结构

Ep.87「L2系列」Blob经济学:以太坊如何重新定义二层网络的成本结构

2025-04-08
Download Right click and do "save link as"

本期节目由Hashkey Chain和Cryptoria共同呈现。


这期播客我们深入探讨了以太坊的坎昆升级和其核心技术EIP-4844(Proto-Danksharding),以及它对Layer 2解决方案和整个以太坊生态系统的影响。


本期亮点

  • Blob技术的革命性创新:详细解析了blob如何作为特殊的数据容器挂载在区块旁边,不参与计算但专门用于存储大量L2交易数据。每个blob可存储128KB数据,以更低成本替代了昂贵的calldata,为L2网络提供了突破性的成本优势。
  • KZG承诺与社区协作:探讨了保证blob安全性的密码学基础,这种"数字指纹"技术如何确保blob数据不被篡改。特别描述了数千人参与的"可信设置仪式",这种独特的社区协作如何确保了系统的"无需信任"安全保障。
  • Base案例的双面启示:深入分析了Coinbase的L2网络Base在实施EIP-4844后的经历——初期费用暴跌95%带来的兴奋,以及当Friend.tech传言引发网络拥堵后的戏剧性反转。这一案例揭示了扩容的多层次挑战:解决数据可用性只是第一步,执行层效率同样重要。
  • 以太坊扩容思路的转变:从最初雄心勃勃的"完全分片"(多条平行链),到L2兴起后的"数据分片"策略,详细梳理了以太坊如何在实践中调整技术路线。这反映了以太坊社区务实而创新的问题解决方式。
  • 清晰而雄心勃勃的路线图:详细讨论了从Proto-Danksharding到完整Danksharding的发展路径,包括Pectra升级(将blob从3个增至6个)、Fusaka升级(引入PeerDAS)和最终的数据可用性采样技术,预示以太坊有望实现每秒10万笔交易的处理能力。
  • L2生态系统面临的三大挑战:深入分析了L2网络亟需解决的安全性(从多重签名到原生rollup集成)、互操作性(标准化链间地址和快速跨链通信)以及ETH经济学(确保ETH在L2世界中的核心地位)问题,以及可能的解决方案。
  • 以太坊的技术与社会愿景:探讨了EIP-4844背后更深层的含义——以太坊如何在技术创新与社会价值之间寻求平衡,如何在扩容的同时坚持去中心化的核心理念,以及这一平衡对整个区块链行业的启示。


时间轴

00:34 引言:以太坊扩容的紧迫性

03:14 Blob的基本概念与设计

05:56 KZG承诺:Blob的安全锚点

11:05 Blob过期机制:为什么是18天?

12:01 Blob大小及其影响

14:20 L2网络如何利用blob降低成本?

18:17 Blob市场与定价机制

20:44 案例分析:Base的手续费过山车事件

25:14 Base和Solana对比:瓶颈的转移与架构差异

28:54 从完全分片到现在的方案

33:15 Danksharding与未来扩容路线图

36:49 L2的未来挑战:提升安全性与改善互操作性

41:37 ETH经济学:确保价值捕获

44:51 以太坊的技术与社会愿景


相关资源

  • EIP-4844官方提案
  • Vitalik关于Danksharding的博客文章
  • Ethereum.org上的Dencun升级说明
  • Base官方Twitter关于EIP-4844实施后的报告


赞助商

本期播客由HashKey Chain赞助。

HashKey Chain将以“桥”为核心定位,连接传统金融与Web3,推动资产、用户、资金及认知的双向流动,成为金融与RWA领域的首选公链。

目前,中国太保已经完成在HashKey Chain部署的美元货币市场基金,运行首日申购规模达1亿美元;博时基金推出了全球首支代币化Money Market ETF,并获得香港证监会批准的在HashKey Chain上链发行的方案。

面向2025,HashKey Chain将集成RWA Bridge、MMF Stablecoin、MMF Yield Hub等关键模块,为RWA提供资产映射、价值稳定与管理的全栈支持,拓展 RWA在链上的应用场景,提升资产效率与流动性。


关键词:以太坊、Hashkey、Layer 2、二层链、blob、Base、RWA、中国太保、公链、Solana、Pectra、坎昆升级、KZG、ETH、HSK、Vitalik、扩容、Coinbase


主播:

Vivienne (Twitter @Vivienne_smile)

Zhiyang (Twitter @zhiyangxyz)

Twitter:@0x_cryptoria

微信公众号:Cryptoria加密投研

免责声明: 所有观点纯属主播个人意见仅供分享,不构成任何投资建议。加密货币投资风险巨大,在做出任何投资决定前,请先做好充分调查并咨询相关专业人士。

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