The 0xMacro Blog

Latest — Mar 20, 2023

How To Consume Chainlink Price Feeds Safely

Chainlink price feeds are reliable, but it is crucial to have circuit breakers to prevent any issues from a single source. Using a single entity is not ideal from a decentralization perspective as well, and it is better to have backup plans in case of system failure. Many developers were

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An Interview with Noah Litvin

Welcome to the first installment in the new Macro Alumni Interview series! We chat with alumni in our community to hear about what they are working on and to learn about real stories from professional devs in web3.

Fuzzing with Echidna

Fuzzing is a well-known technique in the security industry to discover bugs in software. Here you will get to know some tools available for fuzz testing and have a basic understanding of how Echidna works.

What Solidity Devs Should Know about Ethereum’s Merge

The next proposed merge date for Ethereum to transfer from a proof-of-work (PoW) system to a proof-of-stake (PoS) system is September 15th-16th, barring any setbacks. Here’s what you should know about the merge as a Solidity developer.

Synthetix Staking Rewards Issue - Inefficient Reward Distribution

During an audit by Macro's security team, they found a bug in Synthetix Staking Rewards distribution. While the issue is not an exploitable bug, the Ethereum community should be made aware of it.

Solidity Gas Optimizations Cheat Sheet

There are a number of things you should keep in mind to write the best and most gas efficient solidity code. In this post you can find a list of low-hanging fruits you can apply to your contracts today.

Sommelier Finance

The Macro Audits team audited two of Sommelier’s cellar-contracts. Access the report and learn more about our smart contract auditing process.

How to Prep for an Audit

It's no secret that smart contract auditing firms have long backlogs. Learn how to better prepare your project so it can get booked sooner than later.