UniswapV2Library Code Walkthrough UniswapV2Library The Uniswap V2 Library simplifies some interactions with pair contracts and is used heavily by the Router contracts. It contains eight functions...

Owner vs Authority in Solana !Hero image showing Owner vs Authority Newcomers to Solana are frequently confused by the distinction between an "owner" and an "authority." This article attempts to...

Tx.origin, msg.sender, and onlyOwner in Solana: identifying the caller !tx.origin msg.sender onlyOwner in Solana In Solidity, the is a global variable that represents the address that called or...

Rust Structs and Attribute-like and Custom Derive Macros !Rust attribute and custom-derive macros Attribute-like and custom derive macros in Rust are used to take a block of Rust code and modify it...

Visibility and "inheritance" in Rust and Solana !Rust function visibillity Today we will be learning how Solidity's function visibility and contract inheritance can be conceptualized in Solana. There...

Solana programs are upgradeable and do not have constructors !Hero image showing Anchor deploy In this tutorial we will peek behind the scenes of anchor to see how a Solana program gets deployed....

Try Catch and all the ways Solidity can revert This article describes all the kinds of errors that can happen when a smart contract is called, and how the Solidity Try / Catch block responds (or...

Web3.js Example. Latest version 4.x. Transfer, Mint and Query the Blockchain The newest version of web3.js, 4.x, has just been unveiled. In this guide, we’ll delve into integrating web3.js into HTML...

Getting a smart contract audit: what you need to know A smart contract audit is a review by blockchain security experts to ensure that users will not lose funds due to a malfunction or security...

ZK-addition-dapp with Noir and Nextjs !ZK Dapp Game built with Noir and Next.js We will demonstrate a step-by-step exploration of a basic zk-dapp designed for verifying additions. This application...