~hackernoon | Bookmarks (2027)

The renewable energy transition isn’t stalled by technology—it’s stalled by economics. Fossil fuels persist because the financial incentives for change aren’t strong enough. Decentralized energy trading, powered by blockchain, could fix this by allowing small producers to sell surplus energy on their own terms. If we want renewables to take over, we need to make them the most profitable choice.

Meme coins are cryptocurrencies that originate from internet culture, social media trends or jokes. Unlike Bitcoin or Ethereum, which have clear technical foundations, meme coins thrive on hype, community sentiment and celebrity endorsements. While many traders are drawn to this possibility of overnight riches, the reality is that meme coins are high-risk assets.

The world's fastest-growing cryptocurrency exchange, Bitunix has recently introduced several updates, adding new features to improve trading efficiency and user experience. With this new feature, the expired futures bonus can remain in use if reclaiming it could force the position to be liquidated. If that's the case, the bonus won't be taken back. This helps traders avoid sudden losses and keep their positions stable....

How are you, hacker? 🪐Want to know what's trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here. Bybit Only Has Itself to Blame By @menaskop [ 3 Min read ] Bybit is looking for someone to blame, but the only one at fault...

Olas has unveiled the first AI Agent Bazaar. It is the world's first decentralized marketplace where AI agents can autonomously trade skills and services. This represents a shift in how AI systems interact, collaborate, and conduct commerce.

Learn how to compare massive data streams in Javascript. Our example will show a real-time diff of 1.8 million votes over two elections in a fictional city.

Integrating Stripe with NestJS allows you to build a structured and maintainable payment system. This guide walks through setting up a NestJS project, configuring Stripe, and handling payments, subscriptions, refunds, customers, and products. It emphasizes organizing code using NestJS services and controllers for better maintainability. By the end, you'll have a fully functional Stripe integration with a clear path to expanding features, improving security,...

Deep research is one of the aspects AI companies are willing to implement and integrate with their current AI systems. The use cases of deep research are massive in nature — medical research, general knowledge, biography, finding something you don't remember but have enough context about it.

How are you, hacker? 🪐 What’s happening in tech today, February 27, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, we present you with these top quality stories. From Want to Win From 15,000 USDT? Tell Us How Creditcoin is Building Trust in On-Chain Lending to Fuk...

Join the Spacecoin Writing Contest by Spacecoin & HackerNoon for a chance to win a share of the 15,000 USDT prize pool. Dive into themes like #decentralized-internet, #spacetech, and #blockchain-use-case, or explore #creditcoin by answering the following prompt. Submit your story under #creditCoin for a shot at the 2,000USDT top prize.

Each week, the HackerNoon team highlights standout Startups from our Startups of The Year database. Every featured startup has been nominated as the best in their respective technology category or region. This week, we present: Trexx, Terrenity, and Bunnyshell!

Want to accept payments in your Next.js app? This guide walks you through integrating Stripe Checkout step by step: ✅ Create a Stripe Account → Enable Test Mode and get API Keys ✅ Set Up Next.js → Install stripe and @stripe/stripe-js ✅ Backend: Create Checkout Session → Securely generate a session using Stripe API ✅ Frontend: Redirect to Checkout → Use redirectToCheckout(sessionId) for payments...

This week's post is the third and final in my series about running tests on Kubernetes for each pull request.

Quality risk assessment is an art and science that can turn a good team into a great one.

Iaroslav Gerasimov is the Senior QA Automation Engineer at Innovecs. He conducts internal lectures for colleagues interested in learning more about the QA process or diving deeper into quality testing metrics. This article is a summary of that lecture.

Nexo and Sphere partner to revolutionize cross-border business payments with blockchain, cutting settlement times from days to hours while reducing costs and improving liquidity.

Data migration isn’t just about moving data from one system to another. It’s about preserving business continuity.

Overload occurs when a system receives more work than it can efficiently process. This can lead to increased latency, degraded throughput, and eventual system failure. To mitigate these issues, load shedding is a vital technique that is often missed.

Managing digital assets in large scale cloud ecosystems is a pressing challenge. Organizations accumulate millions of assets, databases, virtual machines, logs, models each needing proper ownership tracking for security, compliance, and cost optimization. Traditional methods like manual tagging, role-based access control (RBAC), and static access logs are inefficient, outdated, and prone to security breaches.

Brazil’s financial landscape is unique. At the moment the interest rates is higher than should be due inflation. Despite these dynamics, millions of Brazilians lack access to financial education.

I needed to come up with an approach that would allow me to use logic from one project to another.

Developers run sprints, Product Managers run the marathon. Scrum works—if used wisely and without losing sight of the human side.

Swarm is an open-source platform for group exhibitions designed for designers, artists, and visual creators. It allows exhibitors to independently register, create, and publish project pages while administrators maintain complete control. Powered by Kirby CMS, it requires no database, is fully customisable, and keeps the focus on the work. With a demo and video tutorial available, launching an exhibition website has never been easier.