Browse all Solidity articles.
Delegatecall: The Detailed and Animated Guide This article explains how delegatecall works in detail. The Ethereum Virtual Machine (EVM) offers four opcodes for making calls between contracts: * and...
Last updated on Oct 20, 202513 min read
Q Number Format Q number format is a notation for describing binary fixed-point numbers. A fixed-point number is a popular design pattern in Solidity for storing fractional values, since the language...
Last updated on Oct 8, 2025LeetCode problems and questions - the best 50 Whether web2 or web3, doing well on data structure, algorithm, and LeetCode questions is important, not only for getting a job but developing a good...
Last updated on Sep 29, 2025Ten beginner project ideas after you learn Solidity Now that you've completed our solidity tutorial, what's next? You now have enough knowledge to build any of the following projects. Knowledge comes...
Last updated on Sep 29, 202524 min read
The Solidity Engineer Salary is a Myth !Stack of gold bars owned by a blockchain engineer Is gold in your future if you study blockchain? There is no shortcut to a high solidity developer salary This...
Last updated on Sep 24, 20255 min read
EIP-150 and the 63/64 Rule for Gas Introduction EIP-150, or Ethereum Improvement Proposal 150, is a protocol upgrade for the Ethereum blockchain. It was proposed on March 18, 2016, and implemented on...
Last updated on Sep 24, 20257 min read
EIP-2930 - Ethereum access list Introduction An Ethereum access list transaction enables saving gas on cross-contract calls by declaring in advance which contract and storage slots will be accessed....
Last updated on Sep 24, 2025Understanding ABI encoding for function calls ABI encoding is the data format used for making function calls to smart contracts. It is also how smart contracts encode data when making calls to other...
Last updated on Aug 29, 2025How Ethereum address are derived (EOAs, CREATE, and CREATE2) On Ethereum, smart contracts can be deployed in one of three ways: An Externally Owned Account (EOA) initiates the transaction where the...
Last updated on Aug 22, 20254 min read
MD5 Hash In Circom In this tutorial, we will implement the MD5 hash in Circom both to compute the hash and to constrain in Circom that it was computed correctly. Although the MD5 hash function is not...
Last updated on Aug 20, 2025Storage Slots of Dynamic Types (Mappings, Arrays, Strings, Bytes) Dynamic-sized types in Solidity (sometimes referred to as complex types) are data types with variable size. They include mappings,...
Last updated on Aug 20, 202516 min read
20 Common Solidity Beginner Mistakes Our intent is not to be patronizing towards developers early in their journey with this article. Having reviewed code from numerous Solidity developers, we’ve...
Last updated on Aug 20, 2025