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Core Ethereum development concepts including gas mechanics, transaction types, storage layout, ABI encoding, and EVM execution model. Use as a reference when building on Ethereum or EVM chains.
Foundational reference for Ethereum and EVM-compatible chain development. Covers the mental models that every other skill assumes you know — gas, transactions, storage, ABI encoding, and the execution environment. This is not a tool skill; it is the conceptual substrate beneath all EVM tooling.
LLMs confidently generate Ethereum code with fundamental misconceptions. These are the ones that cause real bugs.
gasUsed * effectiveGasPrice in wei. Confusing gas units with ether amounts is the most common mental model failure.npx skills add 0xinit/cryptoskills --skill eth-conceptsHow clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
The SKILL.md content is hard to understand and quite ambiguous.
How directly an agent can act on the SKILL.md instructions, rated from 1 to 5.
The SKILL.md is hard to act on; an agent would not know what to do.