Building a Crypto Wallet using JavaScript (Advanced)

In this advanced quest, you'll dive deep into the intricacies of building a cryptocurrency wallet using JavaScript. You'll start by understanding the fundamentals of blockchain technology and how wallets interact with it. The quest will guide you through setting up a secure environment, creating a user-friendly interface, and implementing crucial features such as generating wallet addresses, manag

Ai
Start Quest →

Looking for something different? Check out our infinite quest catalog!

A Brief Orientation

Wilco is where devs like you acquire, practice, and master new skills using a real-life tech stack. Our hands-on developer challenges look and feel like real work tasks, including things like PRs and cloud deployment. While Sierra is just an experiment, the main Wilco catalog already helps engineers and companies around the world.

Trusted by Leading Products
Our Clients Love Us!
"Segment is an infrastructure-type tool that can be hard to demo without having other components present. Wilco's quest builder makes it easy to have those components preconfigured so that the prospective customer can jump right into the learning rather than spending a lot of time fiddling with environmental quirks. Wilco was a great fit for us at Segment because it neatly wraps the whole developer experience.”
Read More >
Ben Link
Developer Advocate
Twilio Segment
"The Wilco platform allows MongoDB to take the best elements of “learning by doing” out to a wider audience and engage them with tasks and challenges that are both fun and educational. By getting developers to use MongoDB as part of a quest, and dive into our developer data platform, we hope to open the doors to them to consider MongoDB for their next project or workload.
Read More >
Shane McAllister‍
Lead Developer Advocate (Global)
MongoDB
“Wilco has created an original way for developers to gain experience with tools, and we are excited to provide the opportunity for developers to engage with our product in a real-world setting, enabling us to easily communicate the value our product offers, while allowing developers to quickly acquire expertise.”
Read More >
Jemiah SiusDirector of Developer Advocacy
New Relic
"We used Wilco to help new users quickly understand Mixpanel’s value by showcasing our product features through a very immersive experience. With Wilco's training, our users got the "aha moment" from the get-go. The team at Wilco supported us throughout the quest creation process, and we also leveraged their AI quest generator.”
Read More >
Alon Binman
Strategic Architect
Mixpanel
“With Wilco, developers see clearly how CircleCI can solve real-world engineering challenges, in a way that just can’t be communicated through a standard tutorial. Whether while up-skilling themselves, onboarding to a new team or during continuous on-the-job training, we’re excited for developers to engage with CircleCI within Wilco quests.”
Read More >
Tom TrahanVP Business Development
Circle CI
“Wilco is by far the most engaging tech training solution we’ve seen. We’ve chosen the platform to onboard new hires, prepare team members for on-call shifts and upskill our more experienced devs on an ongoing basis.”
Dan Van Tran
CTO
Collectors