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Possibly with the exception of color, the typeface styles used in a design have a greater impact on the way a user perceives that design than virtually any other individual design element.

The humble ERC20 token specification has become the de facto standard for Ethereum tokens. If you come across an Ethereum smart contract, chances are it’s ERC20-compliant.

In this guide, Toptal Freelance Ethereum Developer Gilad Haimov demonstrates how you can create and deploy your own ERC20 token in under an hour.

The existence of RESTful APIs is a popular myth in web development—but it’s a myth we can work with. The right tools can help keep documentation consistent and streamline automated testing. In this article, Toptal Freelance JavaScript Developer Alexander Zinchuk explores several time-saving approaches to developing REST APIs, with examples in Node.js and Ruby on Rails.

Relatively unknown until recently, representation and warranty insurance is an interesting—and often extremely effective—tool for helping M&A deals cross the finishing line. By shifting the financial risk for breaches of representation and warranties to an insurance firm, these arrangements can enable sellers to receive all the purchase price proceeds at closing as opposed to being exposed to liquidity risk post deal close.

Conversational user interfaces are a new frontier that requires thoughtful consideration. The design process should include defining the purpose of the chatbot, and other design considerations to create a successful user experience.

There are two dominant patterns of implementation for inversion of control. Which one is better, and is there a middle path to be found between them? How should you approach IoC to get the most out of your code?

Join Toptal Java Developer Martin Coll in exploring the familiar and unknown landscape of IoC development.

Product managers and project managers are two of the most important roles in every technology company and are crucial to the future of tech. Yet they are often conflated and misunderstood. In this article (Part I in a two-part series), Johnny Chao, Product Management Vertical Lead at Toptal, and a career product manager, outlines the similarities and differences between each role, as well as the core skill sets that allow product and project managers to excel.

Bad B2B UX is everywhere—but the situation is not hopeless. By understanding the pitfalls, and having a strategic user-centered design plan, designers can pave the way to saving enterprise software.

Top PMs are always in demand in organizations around the globe. This is a list of some really useful habits Top PMs possess. Hopefully, they will help you to become one or check if you already have these habits at your disposal.

Budgeting can be a drawn-out process, yet oftentimes once the year starts and results diverge, they become forgotten. Instead of budgeting just with qualitative methods, managers should combine them with quantitative tools. Comparing regressed historic trends with future expectations can be more accurate and ultimately ensure the budget survives the year.

Manually gathering information about user-generated data is time-consuming, to say the least. That’s why more organizations are turning to automatic sentiment analysis methods—but basic models don’t always cut it. In this article, Toptal Freelance Data Scientist Rudolf Eremyan gives an overview of some sentiment analysis gotchas and what can be done to address them.