Blockchain posts
ERC-2612 Permit: Gasless Token Approvals and Transfers in Solidity (2026)
Mar 19, 2026
Deep dive into ERC-2612 (EIP-2612): how the permit function enables gasless ERC-20 approvals via EIP-712 signatures, how transferWithPermit works, and how to implement, test, and secure your own token in Solidity.
Sign Data with EIP-712 in Solidity: A Complete Guide (2026)
Feb 28, 2026
Learn all about signing data in smart contracts, how typed structured data works, and how EIP-712 is used to sign data in smart contracts. Get code examples and best practices for signing data in Solidity.
Smart Contract Accounts | EVM Solidity Guide & Code Examples
Feb 21, 2026
Learn how smart contract accounts work on EVM chains and build your own Ethereum smart contract account with secure Solidity code and real-world use cases.
Foundry Anvil: Complete Guide to Local Ethereum Node, Mainnet Forking & JSON-RPC Cheatcodes
Feb 7, 2026
Master Anvil, Foundry local Ethereum node. Learn mainnet forking, mining modes, account impersonation, custom JSON-RPC methods (anvil_setBalance, anvil_snapshot), and persistent state management for reproducible smart contract testing.
Foundry Forge Tutorial: How to Compile, Test, and Deploy Solidity Smart Contracts
Feb 7, 2026
Complete Forge guide: compile Solidity with optimization, run unit tests with fuzzing, deploy scripts, and format code. Includes foundry.toml profiles and coverage.
Foundry Cast Tutorial: Interact with Smart Contracts from the CLI (2026)
Feb 1, 2026
Master Foundry Cast: read contract state with cast call, send transactions with cast send, query balances and blocks, decode calldata, estimate gas, and manage private keys securely with keystores. Full command reference with real Solidity examples.