#solidity Development Tutorials & Tips | Roast Dev

Developing a Rental DApp on CrossFi Using Hardhat

What's CrossFi? CrossFi is a blockchain platform built to enable seamless cross-chain asset transfers and decentralized finance (DeFi) applications. With a focus on interoperability, security...

11.03.2025 0 Read More

⚠️ STOP using these Solidity functions if you want secure smart contracts🔒

Let's face it - blockchain is hard. One tiny mistake and your project could end up as another "hack" headline. After auditing over 50 DeFi protocols last year, I've seen the same dangerous patterns re...

12.03.2025 0 Read More

How to Launch Your Own NFT Collection in 2025 (Step-by-Step Guide)

Introduction: The Future of NFTs in 2025 NFTs (Non-Fungible Tokens) have revolutionized digital ownership, providing artists, brands, and entrepreneurs with new revenue streams through blockc...

15.03.2025 0 Read More

<>Building a Cross-Chain Swap with LayerZero on Monad </>

We will build a DApp with LayerZero that allows users to bridge and swap MON tokens from Monad testnet to ETH tokens on Sepolia testnet.How Does Layer Zero Works ?Any cross-chain communication protoco...

17.03.2025 0 Read More

Solidity - A Typed Language

Why Solidity is consider as a Typed language. It requires variables to be explicitly declared with a specific data type, and these types are strictly enforced during compilation. In other words, ever...

26.03.2025 0 Read More

Learn Solidity Through Code: Breaking Down Walkthrough.sol Step by Step

If you're starting your journey into Solidity and smart contract development, diving into actual code can be one of the most effective ways to learn. In this guide, we'll dissect Walkthrough.sol, a si...

04.05.2025 0 Read More

A sleek solidity cheatsheet

part 1 of a 5 part series on essentials for solidity devs solidity_cheatsheet.sol cryptography_cheatsheet.sol assembly_cheatsheet.sol designPatterns_cheatsheet.sol security_cheatsheet.sol It compiles!...

30.03.2025 0 Read More

From it works to it reverts: learning Solidity the hard way

I’ve been learning Solidity by building an escrow smart contract for milestone-based payments between clients and artists.But instead of stopping at the happy path — I wanted to understand failure...

09.04.2025 0 Read More

How to Build a Cross-Chain Token Bridge

🧭 BNB Smart Chain Testnet ↔ Polygon Amoy Introduction Cross-chain bridges are essential infrastructure in the evolving blockchain ecosystem. They enable tokens and data to move ...

11.04.2025 0 Read More

why remix.ide create arcifacts

i mean when i writing he(remix) olways create this ...

14.04.2025 0 Read More