StarkWare 是以太坊第 2 层扩展协议，也是主要的 zk-rollup 解决方案之一。 Starkware 构建了 StarkNet（一个无需许可的去中心化 ZK-Rollup）和 StarkEx（一个独立的许可的 Validity-Rollup），这两个都是使用零知识 Rollup 技术的以太坊第 2 层扩展解决方案。

ZKFair 是第一个基于 Polygon CDK 和 Celestia DA 的社区 ZK-L2，由 ZK-RaaS 提供商 Lumoz 提供支持。

Filecoin 是一个点对点网络，使任何人都可以在互联网上存储和检索数据。内置的经济激励措施可确保在用户指定的时间内可靠且连续地存储和检索文件。

EigenLayer is a protocol built on Ethereum that introduces restaking, a new primitive in cryptoeconomic security. This primitive enables the reuse of ETH on the consensus layer. Users that stake ETH natively or with a liquid staking token (LST) can opt-in to EigenLayer smart contracts to restake their ETH or LST and extend cryptoeconomic security to additional applications on the network to earn additional rewards.

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PolyHedra is an infrastructure for Web3 Interoperability with cutting-edge zero-knowledge proof systems.