Aave V3 lending protocol integration — supply, borrow, repay, withdraw, flash loans, E-Mode, and health factor monitoring. Covers IPool interface in Solidity and viem-based TypeScript for reading protocol state, executing transactions, and managing positions across Ethereum, Arbitrum, Optimism, Base, and Polygon.
1 skill
ERC-4337 and EIP-7702 unified reference — EntryPoint v0.7 architecture, UserOperation lifecycle, bundler and paymaster roles, EIP-7702 EOA delegation (Type 0x04 transactions), combined ERC-4337 + EIP-7702 flows, paymaster patterns (verifying, ERC-20, sponsoring), permissionless.js SDK, ZeroDev Kernel, session keys (ERC-7579), gas abstraction, and stack selection guidance.
1 skill
Aptos Move-based L1 development — Move modules with global storage, resource accounts, Aptos SDK (@aptos-labs/ts-sdk), Coin standard, Token V2 (Digital Assets), view functions, multi-agent transactions, gas estimation, and Block-STM parallel execution.
1 skill
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.
1 skill
Axelar cross-chain messaging and token routing — General Message Passing (GMP), Interchain Token Service (ITS) for native multichain tokens, AxelarExecutable contract pattern, gas estimation, and cross-chain token deployment. Covers Axelar SDK, Gateway contract, and GasService integration.
1 skill
Base L2 development (Coinbase) — deployment, OnchainKit, Paymaster (gasless transactions), Smart Wallet, Base Account SDK, and OP Stack integration. Built on Optimism's OP Stack.
1 skill