Quantstamp Blog

Quantstamp Labs

Top 3 DeFi Trends

This post discusses how flash loans, zaps, and DeFi aggregators are leveraging composability in order to simplify the user experience and ultimately make DeFi markets hyper-efficient.

Quantstamp Labs
March 13, 2020

Breaking Bad Contracts - Ethereum Gas Updates

The recent Istanbul hard fork in December affected some important smart contracts deployed on Ethereum mainnet. Thankfully, major projects such as Kyber were prepared and migrated to new contracts before the fork, but many developers are still unaware of the impact the Istanbul hard fork may have on both smart contract development and previously deployed contracts.

Quantstamp Labs
January 28, 2020

The Benefit of Functional Test Suites

A comprehensive test suite can prevent developers from accidentally merging functionality bugs into the master branch.

Quantstamp Labs
December 13, 2019

How to Use DeFi Safely

With eye popping interest rates on lending platforms, it’s never been more tempting to put assets into some of the promising new #DeFi applications out there today. But is security an issue? Dr. Poming Lee, Security Engineer with Quantstamp, explains how to keep your funds safe when using DeFi.

Quantstamp Labs
October 4, 2019

What is a Re-Entrancy Attack?

Computer scientists say that a procedure is re-entrant if its execution can be interrupted in the middle, initiated over (re-entered), and both runs can complete without any errors in execution. In the context of Ethereum smart contracts, re-entrancy can lead to serious vulnerabilities.

Quantstamp Labs
August 19, 2019

Open Sourcing Our Bounty Protocol

We are open sourcing the code for our Bounty Protocol. A bounty protocol is a marketplace for developers to identify bugs in smart contracts that automation cannot detect. The Bounty Protocol has the potential to leverage software engineering talent from around the world to add an essential layer of infrastructure for blockchain security.

Quantstamp Labs
August 13, 2019