Deep inside the code base...

Debugging Hardhat smart contract project with Tenderly

In this article, we will explore how to integrate Tenderly with a sample Hardhat project that implements a staking and rewards system. While Tenderly docs. will help you going through it, i believe i can give you some more idea about where things can go wrong. Before that lets check

SEAL 911: Saving Millions When Seconds Count.

I unearthed this article from my drafts, and given recent developments, I felt it was relevant to share. Imagine you are working in Decentralized Finance as a project to provide value to the world, you have built a revolutionary million-dollar protocol but a hidden vulnerability lurks in the code. That’

A look into transient storage’s possible security and coding mistakes.

Table of contents: 1. What is Transient storage (in short) 2. Applications of transient storage (in short) 3. Usage with examples 4. Security considerations What is Transient storage (in short) : The Transient storage is the dedicated data location in EVM that behaves like a storage but this data location is

Understanding and exploiting reentrancy while safeMint()-ing NFTs.

_safeMint() is sometime not safe when used without taking care, this article shows identifying and exploiting reentrancy with POC…

Tracing smart contract transaction calls, and events locally with hardhat-tracer

Have you ever noticed a need of tracing smart contract transactions while testing or learning smart contract protocols or forks?

Hacking vulnerable smart contract: CTF by ciphershastra.com

Lets take a look of how to exploit vulnerable smart contract.