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Circom language tutorial with circomlib walkthrough This tutorial introduces the Circom language and how to use it, along with common pitfalls. We will also explain a significant portion of the...
Last updated on Sep 29, 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, 202525 min read
Arithmetic Circuits for ZK In the context of zero-knowledge proofs, an arithmetic circuit is a system of equations that models a problem in NP. A key point from our article on P vs NP is that any...
Last updated on Sep 28, 20245 min read
Solana Anchor Program IDL !Hero Image showing Interface Definition Language The IDL (Interface Definition Language) is a JSON file that describes how to interact with a Solana program. It is...
Last updated on Aug 18, 2024Introduction to Solana Compute Units and Transaction Fees !Solana Compute Units In Ethereum, the price of a transaction is computed as $\text{gasUsed} \times \text{gasPrice}$. This tells us how much...
Last updated on Aug 15, 2024Require, Revert, and Custom Errors in Solana !Hero Image showing Error code and Macro In Ethereum, we often see a require statement restricting the values a function argument can have. Consider the...
Last updated on Aug 15, 2024Hacking Underconstrained Circom Circuits With Fake Proofs The operator in Circom can be dangerous because it assigns values to signals but does not constrain them. But how do you actually ~~exploit~~...
Last updated on Aug 10, 2024