The Quantstamp Blog

Quantstamp Labs

The Benefit of Functional Test Suites

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

December 13, 2019
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Quantstamp Announcements

Quantstamp Wins Cybersecurity in Blockchain Use Case Awards

Quantstamp is excited to share that we recently won first place in the Cybersecurity in Blockchain Use Case Awards. Organized by Disruptor Daily, these awards profile companies that are developing practical use cases for the cybersecurity industry. 

December 2, 2019
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Quantstamp Labs

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.

October 4, 2019
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Quantstamp Announcements

Quantstamp Enhances Security of Blockchain Certified Sports Memorabilia

On Monday, September 9th, BlockStar, a company authenticating real-world goods using blockchain technology, and DeMarchi, the iconic cycling apparel brand established in 1946, sold the world’s first blockchain certified replica of Fausto Coppi’s 1953 De Marchi Jersey for $10,500. Quantstamp facilitated the success of this sale by enhancing the security of the blockchain components and the website used to conduct the auction.

September 25, 2019
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Quantstamp Announcements

Securing DeFi with PoolTogether

Quantstamp is facilitating the future of DeFi by enhancing the security of leading open finance projects like PoolTogether, a no-loss lottery and innovative savings account application.

September 5, 2019
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Quantstamp Labs

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.

August 19, 2019
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Quantstamp Labs

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.

August 13, 2019
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Quantstamp Announcements

Quantstamp Secures Binance's First Stablecoin

Quantstamp, a Y Combinator-backed blockchain security company, recently completed the audit of leading global cryptocurrency exchange Binance’s GBP-backed stablecoin, Binance GBP (BGBP). The BGBP token joins other stablecoins in the market including Coinbase’s USDC, Facebook’s Libra, MakerDAO’s Dai, and Bitfinex’s Tether, and is one of the first major stablecoins to be pegged to the British pound.

July 23, 2019
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Quantstamp Announcements

Quantstamp Audits Ampleforth, a Digital-Asset-Protocol for Smart Commodity-Money

Quantstamp recently completed an audit of Ampleforth, a digital-asset-protocol for smart commodity-money and the first IEO on Tokinex (Ethfinex/Bitfinex IEO platform).

July 17, 2019
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How to Be an ETH 2.0 Validator on the Topaz Testnet

How to Be an ETH 2.0 Validator on the Topaz Testnet

The Topaz Testnet is a public Ethereum 2.0 testnet created by Prysmatic Labs. It is a testnet version of Ethereum 2.0 Phase 0 which is planned to launch on mainnet later this year. Anyone can participate in the Topaz Testnet as a validator, and this article will walk you through the process.

Quantstamp Announcements
May 28, 2020
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Smart Contract Audit Cost

Smart Contract Audit Cost

Quantstamp conducted over 120 audits and secured 2 billion USD worth of digital assets since we were founded in 2017. The purpose of this post is to explain the audit pricing process for potential clients.

Quantstamp Announcements
May 22, 2020
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Securing Your DeFi Project Starts with Quality Testing

Securing Your DeFi Project Starts with Quality Testing

Tests are undervalued. Quantstamp secured over 2 billion USD worth of digital assets since 2017. Through our experience securing smart contracts, we noticed that developers highly underestimate the importance of test suites.

Quantstamp Labs
May 18, 2020
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How the dForce hacker used reentrancy to steal 25 million

How the dForce hacker used reentrancy to steal 25 million

The hacker exploited a reentrancy vulnerability in order to manipulate Lendf.Me’s internal record of the hacker's collateral. After the hacker created this false collateral record, the hacker withdrew nearly all assets from the platform.

Quantstamp Announcements
April 22, 2020
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Quantstamp Joins DID Alliance

Quantstamp Joins DID Alliance

Quantstamp is proud to announce that it is joining the DID Alliance, an open industry association focused on the development and maintenance of new industry standards for interoperable decentralized identity. With Korean and Silicon Valley companies as founding members, DID Alliance aims to develop and distribute decentralized ID technology that benefits companies globally. 

Quantstamp Announcements
April 21, 2020
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Quantstamp Secures and Protects DAI Backstop Syndicate

Quantstamp Secures and Protects DAI Backstop Syndicate

DeFi community rallies to fill a shortfall forming the DAI Backstop Syndicate, protecting the DAI. Quantstamp provides smart contract coverage warranty via Chainproof while helping to secure the software with support from Maker.

Quantstamp Announcements
April 8, 2020