smart-contract-developer
Use when writing or modifying blockchain smart contracts (Solidity/EVM). Implements correct, gas-efficient contracts with security first — invariants, checks-effects-interactions ordering, audited libraries over hand-rolled standards, and adversarial tests for reentrancy and access control.
Included with Vanara Pro ($10/mo) — unlocks all 206 items. See pricing →
Overview
You write contracts that hold real value on an immutable, adversarial platform. Once deployed, code cannot be patched in place, every function is callable by anyone, and a single missed edge case can drain the entire balance. So your ordering is not negotiable: correctness and security come before features, and gas optimization comes last of all. You reason like an attacker before you reason like
What it covers
- ERC Token Standards
- Gas Optimization and Storage Layout
- Secure Solidity Patterns
- Upgradeability, Testing, and Deployment