预存超2.5亿美元,Katana 主网开跑,今年最吸金L2?

比推Published on 2025-06-30Last updated on 2025-06-30

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Polygon Labs和 GSR 孵化的 DeFi Layer 2 区块链 Katana 于2025年6月30日正式启动公共主网。

在此之前,Katana 已成功吸引超过 2.5 亿美元的预存款,伴随主网启动,Katana 同步推出了为期两年的10亿 KAT 流动性挖矿激励计划,旨在通过独特机制解决 DeFi 核心痛点——流动性分散、收益可持续性不足及资本流失。本文将分析 Katana 的技术创新、激励模型、生态系统布局及其面临的机遇与挑战,探讨其在当前激烈的 Layer 2 竞争中,如何通过其“经济飞轮”机制实现可持续增长。

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一、背景

Katana Layer 2 的公共主网已正式上线。此前,其私人主网阶段已于5月28日启动。根据 DefiLlama 数据,从6月1日到6月30日,其预存款从7500万美元迅速增长至 2.51亿美元。这一资金流入,标志着 Katana 成为本年度迄今资本最充裕的 Layer 2 网络之一,反映了社区及机构对其的高度兴趣。

Katana 由非营利组织 Katana Foundation 主导开发,并由 Polygon Labs 和 GSR 共同孵化。 Polygon Labs 首席执行官 Marc Boiron 指出,Katana 核心目标是解决 DeFi 中普遍存在的“流动性碎片化”问题,即数字资产分散在不同应用和生态系统之间,导致某些投资活动复杂且低效。

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Katana 的技术架构基于 Ethereum,采用定制的 OP Stack (cdk-opgeth)Polygon 的 AggLayer,并利用 Succinct Labs 的 SP1 证明器实现零知识证明,以确保交易的快速和安全。其“经济飞轮”机制是实现长期可持续性的核心:

  1. VaultBridge: 这一机制将桥接至 Katana 的资产(目前包括 USDC、USDT、AUSD 及 ETH)自动导入以太坊 L1 上的收益策略(如 Yearn V3 Vaults)。所获得的收益将直接回流到 Katana 的 DeFi 池中,并得到提升,为 Katana 生态提供可持续的收益来源。

  2. 链所有流动性 (Chain-Owned Liquidity – CoL): Katana 将其 100% 的定序器净费用(扣除 L1 数据和基础设施成本后)转换为流动性储备金,并重新投资于核心 DeFi 池中,旨在增强生态系统的长期稳定性和流动性深度,而非依赖外部短线激励。

  3. AUSD (by Agora): 作为一个原生稳定币,AUSD 将链下的美国国债收益率引入链上,并路由到 AUSD 核心应用 DeFi 池中,进一步丰富和提升了收益来源。

  4. 净定序器费用 (Net Sequencer Fees): Katana 上的每笔交易都会产生费用。在支付 L1 数据和基础设施成本后,净费用将回流到核心 DeFi 池,以提高收益并构建更深的 CoL。

这些创新机制共同作用,旨在确保 Katana 的 DeFi 收益和流动性保持强劲、有吸引力且长期可持续。

三、产品特性与生态系统集成

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Katana 致力于构建一个功能全面的 DeFi 生态系统,并已与多个核心协议及资产提供商进行集成:

  1. 核心 DeFi 协议集成: Katana 支持 Morpho(借贷)、Sushi(现货 DEX)和 Vertex(永续 DEX)等核心 DeFi 协议,旨在通过统一流动性减少滑点并确保有竞争力的费率。

  2. 跨链支持: 通过与 Universal 合作,Katana 集成非 EVM 资产如 SOL、XRP 和 SUI,实现无需跨链转移即可无缝交易这些资产。

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  3. KAT 代币: 作为治理和功能性代币,KAT 将有约 15% 通过空投分配给 POL 质押者(包括以太坊上的流动质押协议),并作为早期存款用户的奖励,包括锁定长达九个月的 NFT "Krates"。

  4. 战略合作: 与 Chainlink(预言机)、Conduit(Rollup 基础设施)以及 Jito(流动质押)、ether.fi(流动性再质押)等平台的集成,为 Katana 提供强大的基础设施和预言机支持。

四、用户如何交互?

Katana 设计了一套用户友好的交互流程,旨在简化 DeFi 参与体验:

  1. 设置钱包: 使用兼容的以太坊钱包(如 MetaMask、Trust Wallet、Coinbase Wallet),确保有 ETH 作为 Gas 费,并持有支持的资产(ETH、USDC、USDT、WBTC)。

  2. 桥接资产至 Katana: 通过 Katana 官方桥接界面(katana.network)连接钱包并选择要桥接的资产。资产将自动部署到收益生成策略中。需注意: 在本地桥接 UI 上线前,桥接大额 WBTC 和 WETH 可能面临滑点。

  3. 参与 DeFi 活动:

    • 在 Morpho 上借贷,利用 Katana 的统一流动性获取有竞争力的利率。

    • 在 Sushi 上交易,通过 Katana 的集中流动性实现最小滑点。

    • 在 Vertex 上交易永续期货,利用 Katana 的低成本和快速交易。

    • 质押 KAT 代币以获得治理权或额外收益。

  4. 参与治理: KAT 代币持有者可通过治理门户投票决定协议升级、费用结构和流动性分配。

  5. 领取奖励: 参与预主网活动的早期存款用户(2025年6月30日前)可领取 KAT 代币和 NFT "Krates",部分奖励可能锁定长达九个月。

  6. 开发者: 可使用开放源代码工具和 Polygon 的 CDK 在 Katana 上进行开发,利用 AggLayer 实现与其他基于 Polygon 的链的互操作性。

五、市场潜力与挑战

  1. 市场定位: Katana 在竞争激烈的 Layer 2 市场中,通过其专注于 DeFi、统一流动性模型以及对生产性 TVL 的强调,寻求差异化。它与 Arbitrum、Optimism 和 zkSync 等主流 Layer 2 解决方案构成竞争关系,这些平台也致力于提升交易效率和生态多样性。

  2. 生态系统与增长: Katana 引入的生产性 TVL 指标,旨在衡量实际投入收益策略的资本效率。其对非 EVM 资产(如 SOL、XRP)的跨链支持,通过 Universal 实现了与不同区块链生态系统的桥接,这可能有助于扩大其用户基础。

  3. 未来展望: Katana 的路线图包括进一步扩展协议集成、增强跨链功能和引入机构资本。凭借 Polygon 的 AggLayer 和战略伙伴关系,Katana 有望成为 DeFi 下一阶段发展的重要基石,但其成功将取决于生态系统采纳度以及应对未来监管挑战的能力。

尽管潜力显著,Katana 仍面临多重挑战和风险:

  1. 市场竞争: 与 Arbitrum、Optimism 等已建立的 Layer 2 解决方案的竞争可能限制其市场份额。

  2. 代币流动性: KAT 代币和 NFT 奖励的锁定期可能影响短期流动性,进而影响早期采纳率。

  3. 生态系统发展: 协议的长期成功取决于能否持续吸引开发者构建应用,并确保现有集成的稳定运行。

Katana Layer 2 希望通过创新的 CoL 和 VaultBridge 机制,来解决流动性碎片化和资本效率低下的行业痛点。与其他 Layer 2 方案相比,Katana 在兼顾用户体验和机构需求方面展现出了独特优势。尽管面临着激烈的市场竞争,但从项目启动初期就获得的大量预存款和重量级战略合作来看,Katana 确实展现出了改变 DeFi 发展格局的潜力。当然,这个项目能否最终实现其愿景,还要看后续的技术升级、生态建设以及市场适应能力。


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