The TechBeat: Cardano’s 14-Hour Stress Test: How the Network Took a Hit and Healed Itself (12/5/2025)

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. ## Agentic UX Over "Chat": How to Design Multi-Agent Systems People Actually Trust By @designchurchill [ 9 Min read ] Principles for designing agentic UX: verification, transparency, handoffs, and moving beyond chat interfaces. Read More.

Stop Building Your Product for Yourself: Why Most Early-Stage Startups Fail at Marketing

By @manukovska [ 10 Min read ] I've watched 50 startups burn cash on marketing before talking to customers. Here's what actually works: The Mum Test, founder brand building, and hiring doers Read More.

How To Get a First Name Domain for Less Than $101

By @cv-domain [ 3 Min read ] Missed out on FirstName.com? .cv domain could be your last real chance to own your name online. Secure it now. Read More.

Measuring Non-Linear User Journeys: Rethinking Funnels Metrics in A/B Testing

By @indrivetech [ 7 Min read ] A deep dive into user reorders, hidden behavioral patterns, and how aggregated funnels improve A/B test accuracy in non-linear user journeys Read More.

What the Recent Amazon and Microsoft Cloud Outages Taught the UK Payments Industry

By @noda [ 4 Min read ] AWS and Azure outages in October 2025 exposed deep systemic risks in UK payments. This article examines cloud dependency and how firms can build true resilience Read More.

The Architect’s Handbook to Open Table Formats and Object Storage

By @minio [ 9 Min read ] Learn how Apache Iceberg, Delta Lake, and Apache Hudi pair with object storage to build scalable, open, high-performance data lakehouse architectures. Read More.

Escaping AWS S3: How One Cybersecurity Firm Cut Costs With AIStor

By @minio [ 5 Min read ] A cybersecurity company slashed cloud costs and boosted performance by moving from AWS S3 to MinIO AIStor, gaining speed, resiliency, & scalable on-prem control Read More.

I Spent 30 Days “Vibe Coding” an MVP — Burned $127, Broke Everything, and Still Found Product-Market

By @renjitphilip [ 15 Min read ] I have recently been diving into the world of vibe coding and I thought of cataloging my experience for the benefit of others. Read More.

Cardano’s 14-Hour Stress Test: How the Network Took a Hit and Healed Itself

By @sundaeswap [ 5 Min read ] This incident was an exception and highlighted areas where Cardano can improve while also demonstrating its strengths. Read More.

When The Oldest Programming Language Outsmarts The Newest AI

By @josecrespophd [ 6 Min read ] C++ was not supposed to come back. Read More.

Code Review Anti-Patterns: How to Stop Nitpicking Syntax and Start Improving Architecture

By @nikitakothari [ 5 Min read ] Code reviews are pricey. Let machines catch style issues so humans can focus on what matters: security, scalability, and architecture. Read More.

Why AI Coding Agents Suck At Product Integrations And How Membrane Fixes This

By @membrane [ 5 Min read ] AI coding agents excel at building features but fail at production integrations. The issue isn't AI capability—it's lack of integration-specific infrastructure. Read More.

I Was Sick of the Crypto Off-Ramp Pain. So I Built My Own Crypto Card

By @MichaelJerlis [ 4 Min read ] A firsthand look at why crypto off-ramps are painful — and how the EMCD Payment Card turns spending USDT into a simple, instant, real-world experience. Read More.

The HackerNoon Newsletter: Brands, Find the Right HackerNoon Services for You (11/12/2025)

By @noonification [ 2 Min read ] 11/12/2025: Top 5 stories on the HackerNoon homepage! Read More.

The New Era: AI Agents as Your 24/7 Growth Team

By @rachelecarraro [ 3 Min read ] This article explores how AI Agents can support your strategy, amplify engagement and accelerate business growth. Read More.

Exploiting EIP-7702 Delegation in the Ethernaut Cashback Challenge — A Step-by-Step Writeup

By @hacker39947670 [ 18 Min read ] How to exploit EIP-7702 delegation flaws: A deep dive into the Ethernaut Cashback challenge with bytecode hacks and storage attacks Read More.

Stateful API-to-Database Synchronization: Implementing Incremental Data Ingestion from REST APIs wit

By @badmonster0 [ 15 Min read ] Stop writing fragile cron scripts. Learn to build stateful, incremental data streams from any REST API using Python and a pull-based CDC model. Read More.

ROI Can’t Save Us: Why Today’s Money Fails at Humanity’s Biggest Problems

By @chris127 [ 4 Min read ] Why the economy underfunds planet cleanup, and how programmable money could support large-scale air, water, and soil remediation. Read More.

How Decentralized Finance and Gaming are Reshaping Digital Economies

By @bernardmutugi [ 5 Min read ] DeFi and gaming are converging through NFTs, zk-tech, autonomous agents, and cross-chain markets—creating transparent, user-owned digital economies. Read More.

BIP-360: Bitcoin’s Quantum Wild West

By @orphiceye [ 5 Min read ] Bitcoin's BIP-360 is both genius and cursed, and in whatever state it is at any time, it might become the only sane option we’ll have. Read More. 🧑‍💻 What happened in your world this week? It's been said that writing can help consolidate technical knowledge, establish credibility, and contribute to emerging community standards. Feeling stuck? We got you covered ⬇️⬇️⬇️ ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it. See you on Planet Internet! With love, The HackerNoon Team ✌️