The Quantstamp Blog

Quantstamp Labs

Rollup Escape Hatches

After years of effort, rollups are becoming mainstream components of the Ethereum ecosystem. An escape hatch is a method to recover digital assets or program state from a rollup when sequencers or validators are offline, a critical security feature if something goes wrong, and crucial given the complexity of these systems.

October 25, 2022
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Quantstamp Announcements

The Merge Results And The Future of Ethereum

Results of the merge and how it impacts ETH issuance, and details on future Ethereum upgrades and Ethereum's final form.

September 14, 2022
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Quantstamp Labs

Preventing Replay Attacks Post Ethereum Merge

Learn more about replay attacks and how users interacting with both PoW and PoS chains can stay safe following the merge.

September 12, 2022
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Quantstamp Announcements

Chainproof Launches as the World's First Regulated Smart Contract Insurance Provider

Incubated by Quantstamp and backed by Sompo and reinsured by MunichRe, Chainproof offers regulated insurance against hacks for non-custodial smart contracts on a public decentralized blockchain.

July 5, 2022
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Quantstamp Labs

The Dark Side of DeFi: Cross-Chain Bridge Hacks

Cross-chain bridge hacks and some of the attack vectors that make bridges especially vulnerable.

May 11, 2022
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Quantstamp Announcements

Quantstamp to Sponsor DeFi Talents Mentoring Program

Quantstamp is pleased to sponsor the current cohort of DeFi Talents, a program for empowering talent for leadership in the decentralized finance space.

April 13, 2022
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Quantstamp Labs

Proper Treatment of Randomness on EVM-Compatible Networks

Solidity does not have a function for generating random numbers, yet Ethereum dapp developers sometimes desire random numbers in order to develop lotteries, NFT drops, and games where randomness influences the outcomes...

February 16, 2022
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Quantstamp Announcements

Quantstamp is attending ETHDenver and we are hiring!

Interested in joining the Quantstamp team? Visit us at ETHDenver and ask us about the culture, the perks, and more.

February 3, 2022
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Quantstamp Announcements

Quantstamp 2021 Year In Review

2021 was another exciting year: we saw the rise of NFTs and the evolution of the metaverse, an explosion in both L2 scaling solutions and L1 blockchains, and rapid growth for both our team and the overall industry. Here’s a look over the past 12 months.

January 10, 2022
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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