Security continues to be one of the most important aspects of web3. As a developer, you should be securing your smart contracts by ensuring that testing — specifically a wide variety of testing — is integrated into your smart contract development lifecycle. …

OpenTelemetry (OTel) is an open-source standard used in the collection, instrumentation, and export of telemetry data from distributed systems. As a framework widely adopted by SRE teams and security teams, OTel is more than just one nice-to-have tool among many; it is critical. In this post, we’ll explore the role…

The hype around blockchain technologies may have quieted, but the builders are still building. The toughest technical problems that kept blockchain from mass adoption over the past few years — slow and expensive transactions — are being solved by layer 2s. …

Ethereum has a well-known problem: Transactions are slow, expensive, and don’t scale well. L2s (layer twos) are a new generation of blockchains built on top of Ethereum to solve this problem. …

If your business has ever considered adding a payment system for issuing cards — perhaps to customers or employees — then you may have avoided it because the technical hurdles seemed too difficult. In reality, getting a payment system up and running is quite straightforward. …

Smart contract development, more so than most web2 development, requires thorough testing and careful deployment. Because smart contracts are immutable, and often involve large sums of money, it’s very important to do all you can to be sure they are secure, reliable, and as free from bugs as possible. Two…

Introduction A popular and practical use case for NFTs is generating tickets to live events. Blockchains such as Ethereum can guarantee the ownership, originator, and authenticity of a digital item, effectively solving the problem of counterfeit tickets. While major players such as Ticketmaster struggle to mitigate scalpers (trying desperately to control…

If you’re a developer working on a web3 app, you know that onboarding mainstream users into web3 is difficult. Even with the promise of truly owning your data, making near-free worldwide payments, and using a censorship-free system, the current process of creating and using a digital wallet is just too…

As an experienced full-stack developer with 30 years of experience, I’ve witnessed a lot of changes in tech, from the advent of the internet to the excitement of Java to the rise of cloud computing. Recently, I decided to embark on a new adventure: diving into Ethereum and web3. I…