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Arbitrum Stylus development — write smart contracts in Rust, C, and C++ compiled to WASM. Covers Stylus SDK, storage patterns, ABI export, deployment, testing, and Solidity interop.
Stylus is Arbitrum's second virtual machine — a WASM-based execution environment that runs alongside the EVM on Arbitrum One and Nova. Write smart contracts in Rust, C, or C++, compile to WASM, and deploy them to the same chain as Solidity contracts. Both VMs share the same state, so Stylus contracts can call Solidity contracts and vice versa through standard ABI-encoded calls.
LLMs trained before late 2024 carry stale assumptions about Stylus. These corrections are critical.
ArbWasm.activateProgram(). The cargo stylus deploy CLI handles both steps, but if you deploy manually, you must activate separately. Unactivated contracts revert on every call.npx skills add 0xinit/cryptoskills --skill arbitrum-stylusHow clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
Mostly clear, but there are still a few confusing or poorly structured parts.
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.