The Quantstamp Blog

Quantstamp Labs

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.

May 18, 2020
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Quantstamp Announcements

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.

April 22, 2020
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Quantstamp Announcements

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. 

April 21, 2020
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Quantstamp Announcements

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.

April 8, 2020
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Quantstamp Announcements

Quantstamp Joins the #CryptoAgainstCOVID Alliance

Quantstamp is proud to announce that we are contributing to the Binance Charity Project, Crypto Against COVID. Donations made through this global campaign will be used to purchase medical equipment and supplies that will be distributed throughout countries that are currently most heavily impacted by the virus.

April 6, 2020
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Quantstamp Announcements

Quantstamp Joins MyID Alliance

Quantstamp is proud to join the MyID Alliance, a Digital ID initiative by ICONLOOP. As the world moves towards more online and less face-to-face interactions, Digital ID will be a key enabling technology. 

March 31, 2020
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Quantstamp Announcements

Market Dynamics of the 1st bZx Hack: Flash Loans and the Insolvent Loan

In this series, we describe the market dynamics of the 1st bZx attack so we can avoid attacks with market manipulation components in the future.

March 24, 2020
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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.

March 13, 2020
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Quantstamp Announcements

Bringing Bitcoin to DeFi

DeFi is blockchain’s first killer app, with assets locked up approaching $1 billion USD. But one major asset is missing: Bitcoin. Bitcoin is not only the first crypto asset, but the largest - with over $168 billion USD of Bitcoin in circulation it has deep pools of liquidity. It is one of the least volatile cryptocurrencies and has a large network of fiat on and off ramps. All these properties make it a great crypto-collateral. We think Bitcoin has the potential to transform the DeFi landscape as the most widespread and liquid asset available today.

March 11, 2020
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Preview
Yearn.Finance Security Review

Yearn.Finance Security Review

Quantstamp completed its informal code review of Yearn Finance. Yearn Finance provides yield-maximizing opportunities for liquidity providers, and is intended to be governed in a decentralized manner. We performed this review as a service to the community. Findings are divided by contract below.

Quantstamp Labs
July 24, 2020
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Risks on the Farm - How to Yield Farm Safely

Risks on the Farm - How to Yield Farm Safely

“Yield Farming” is on the rise. Users are making money simply by providing liquidity, or in some cases, even just for using their favorite DeFi projects. But is it really "free money? Maybe not. Users need to be aware of the Risks on the Farm.

Quantstamp Labs
July 21, 2020
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Ethereum 2.0 Moves Closer to Launch with Quantstamp Audit of Prysm

Ethereum 2.0 Moves Closer to Launch with Quantstamp Audit of Prysm

Quantstamp recently has completed its audit of Ethereum 2.0 as implemented by Prysmatic Labs. 

Quantstamp Announcements
July 16, 2020
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Ethereum Gas Fees Are High, But SKALE Network Has a Solution

Ethereum Gas Fees Are High, But SKALE Network Has a Solution

Gas fees are consistently rising which creates user experience issues for potential dApp use cases. Luckily, SKALE Network has an innovative scaling solution with elastic sidechains.

Quantstamp Announcements
July 14, 2020
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4 Myths about Ethereum 2.0

4 Myths about Ethereum 2.0

Ethereum 2.0, a long-awaited upgrade to Ethereum, is planning to be launched this year. More than a simple update or hard fork, it is an entirely new blockchain which runs on a Proof-of-Stake system. There’s a lot of talk and speculation about Ethereum 2.0. In this post, we highlight 5 easily held misconceptions about this next stage of Ethereum.

Quantstamp Labs
June 16, 2020
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Understanding Phase 0, The Current Stage of ETH 2.0 Development

Understanding Phase 0, The Current Stage of ETH 2.0 Development

Most information about ETH 2.0 development is either highly technical or excessively general. We wrote this post to clear up any confusion regarding the status of ETH 2.0 development.

Quantstamp Labs
June 3, 2020