The 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.

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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Quantstamp Announcements

DeFi’s Double-Edged Sword

Composability allows for DeFi projects to leverage one another to create powerful new functionality. However this composability also introduces more risk. These issues have existed for a while, but have been made easier to exploit through the introduction of flash loans. While flash loans themselves do not introduce new vulnerabilities, they level the playing field for attacks which previously required large amounts of capital. 

March 4, 2020
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Quantstamp Announcements

10 Quick and Dirty Facts about the bZx Hacks

Quantstamp provides readers with insightful information concerning the bZx hacks.

February 27, 2020
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Quantstamp Announcements

Quantstamp is attending ETHDenver along with Colorado Governor

Quantstamp is proud to be a Cypher sponsor of ETHDenver. This will also mark the third time we participate in the hackathon (we have attended the event every time!).

February 10, 2020
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Quantstamp Labs

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.

January 28, 2020
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Quantstamp Announcements

OmiseGO Advances Plasma with its Latest Implementation

OmiseGO's More Viable Plasma added features to plasma designed to enhance user experience.

January 27, 2020
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Quantstamp Announcements

The New Rockstars Building the Future of DeFi

Maker set the foundation for the DeFi ecosystem by creating DAI, but their impact does not end there. They facilitating the success of future DeFi rockstars and Quantstamp is providing the security.

January 10, 2020
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Quantstamp Announcements

2019 Year in Review

2019 was a great year for Quantstamp. We released a book on smart contract security, helped push forward the DeFi movement through some key audits, launched our Bounty Protocol, expanded our presence into new markets, and more.

January 9, 2020
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What is a Re-Entrancy Attack?

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
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Open Sourcing Our Bounty Protocol

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
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Quantstamp Secures Binance's First Stablecoin

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.

Quantstamp Announcements
July 23, 2019
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Quantstamp Audits Ampleforth, a Digital-Asset-Protocol for Smart Commodity-Money

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).

Quantstamp Announcements
July 17, 2019
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Economics of the Quantstamp Security Network

Economics of the Quantstamp Security Network

This post will explain the economics behind how the Quantstamp Security Network currently is designed so we can understand how node operators can earn QSP and how much smart contract scans cost for users. The two major influences to the economics of the Quantstamp Security Network are the price floor, and supply and demand.

Quantstamp Labs
July 11, 2019
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Quantstamp Audits Kakao's Blockchain Platform Klaytn

Quantstamp Audits Kakao's Blockchain Platform Klaytn

Quantstamp, a Y Combinator-backed blockchain security company, has completed its audit of smart contracts for Klaytn, the blockchain platform created by Kakao, the operator of South Korea’s dominant messaging platform KakaoTalk. Built by GroundX, a Kakao subsidiary, Klaytn is a business-centric blockchain platform designed for mass adoption.

Quantstamp Announcements
July 9, 2019