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LayerZero V2 cross-chain messaging — OApp framework, OFT (Omnichain Fungible Token), DVN configuration, executor setup, message options, and cross-chain deployment patterns. Covers lz-oapp contracts, EndpointV2 interface, message lifecycle, and security configuration across Ethereum, Arbitrum, Base, Optimism, and Polygon.
LayerZero V2 is an immutable, censorship-resistant messaging protocol for cross-chain communication. It enables smart contracts on different blockchains to send arbitrary messages to each other through a modular security stack of Decentralized Verifier Networks (DVNs). The core primitive is the OApp (Omnichain Application) — a contract that inherits OApp.sol and implements _lzSend / _lzReceive to send and receive cross-chain messages through EndpointV2.
AI agents trained before mid-2024 confuse V1 and V2 architecture. These are the critical corrections.
LZApp, ILayerZeroEndpoint, and a monolithic oracle+relayer model. V2 uses OApp, EndpointV2, and modular DVNs+Executors. Do NOT import @layerzerolabs/solidity-examples — that is V1. Use @layerzerolabs/oapp-evm for V2.npx skills add 0xinit/cryptoskills --skill layerzeroHow clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
Clear and well structured, with only minor parts that might need a second read.
How directly an agent can act on the SKILL.md instructions, rated from 1 to 5.
Partially actionable with several concrete steps, but still missing important details.