HackerNoon Tech Stories Archive October 21st, 2025
S
M
T
W
T
F
S
12345678910111213141516171819202122232425
26
27
28
29
30
31
AI Native Dev
How We Built Mobile Weather Widgets That Improved Apple’s
oleksii_schastlyvyi
Stop Rebuilding Software That Already Exists: Here’s How
Hendrik Cornelissen
How AI Can Help You Avoid Overpaying for Bitcoin Transactions
Blockchainize Any Technology
Estimating Bitcoin Transaction Fees Based on Confirmation Time
Blockchainize Any Technology
BtcFlow: Modeling Bitcoin’s Mempool Dynamics to Predict Optimal Feerates
Blockchainize Any Technology
Validating Polarization Models: Bayesian Evidence and Odds Ratios for Faraday Depth Analysis
Tomography
Fundamental and Recent Literature on Interstellar Medium and Radio Polarization
Tomography
SAGE: Stratified Avatar Generation for Full-Body 3D Reconstruction from Sparse HMD Data
Zaddy
Decoupling Full-Body Motion: Introducing a Stratified Approach to Solve Sparse Observation Challenge
Zaddy
China Tells Its Tech Giants to Halt Stablecoin Plans Amid Regulatory Review
Crypto Sovereignty Through Technology, Math & Luck
Every Windows 11 PC Is Now an AI PC, Thanks to Microsoft’s Latest Update
Journalistic Technology
Stellantis and Pony.ai Team Up to Develop Robotaxis Across Europe
Technology Announcements
Meta Adds Teen-Safety Controls Following “Flirty” AI Chatbot Scandal
BotBeat.Tech: AI Research
Nvidia and TSMC Produce the First U.S.-Made Blackwell Chip in Arizona
Technology Announcements
The TechBeat: StudyPro Evolves Into StudyAgent: From AI Writing Tool to Personal AI Study Assistant (10/21/2025)
Techbeat
When Data Integrity Becomes the Ultimate Target
Mike C
The Limits of Incentive-Compatible and OCA-Proof Transaction Fee Mechanisms in Cryptocurrencies
EScholar: Electronic Academic Papers for Scholars
When Every Mechanism Burns: The Theoretical Boundaries of DSIC, MMIC, and OCA-Proof Design
EScholar: Electronic Academic Papers for Scholars
The Research Roots of Collusion‑Resistant Crypto Auctions
EScholar: Electronic Academic Papers for Scholars
Foundational Models for DSIC, MMIC, and OCA‑Proof Cryptoeconomic Mechanisms
EScholar: Electronic Academic Papers for Scholars
Comparing SCP and OCA in Transaction Fee Mechanisms: Core Differences and Results
EScholar: Electronic Academic Papers for Scholars
How 0G Storage Plans to Solve the $76 Billion Problem Every AI Company Faces
Ishan Pandey
Stablecoin Integration: A Major Catalyst for Growth
BTCWire
The Day the Cloud Cracked: AWS Outage Exposes Fragility of Centralized Internet
Ishan Pandey
Meet True: HackerNoon Company of the Week
Company of the Week
The Dragon Hatchling Learns to Fly: Inside AI’s Next Learning Revolution
Max Zhuk
How Argentum AI Plans to Make GPU Access as Liquid as Capital Markets
Ishan Pandey
My Grandmother Was a Data Analyst; She Just Didn’t Know It
When Value Moves Like Information: Why Developers Are Building Bitcoin Into Everyday Apps
Breez ⚡️
Are 3D Holograms the Next Big Tech Leap?
Allan Grain
The HackerNoon Newsletter: From Cloud to Desk: 3 Signs the AI Revolution is Going Local (10/21/2025)
Noonification
Black‑Box Separation for Quantum PKE from OWF with Classical Public Keys
EScholar: Electronic Academic Papers for Scholars
Can Machines Spot Rising Stars? Exploring AI‑Driven Insight into Fallen Angel Bonds
Angel Invest
Addressing Data Imbalance in Bankruptcy Prediction: Comparative Literature Insights
Angel Invest
Data Collection and Analysis for Machine Learning‑Based Bankruptcy Prediction
Angel Invest
Model Design and Comparative Metrics for Bankruptcy Prediction in Imbalanced Datasets
Angel Invest
Evaluating Model Precision and Future Data Directions for Bankruptcy Prediction
Angel Invest
The Pragmatic Playbook for Stopping Rogue AI Agents
Akande Nathaniel
I Built an AI Prompt Injection Attack Demo : Here's What Every Developer Should Know
rdondeti
What Happens When Every Marketer Uses the Same AI Tool?
Anjana
AI Is Eating the Classroom, and That’s Not a Bad Thing.
Hayday
Ransomware Goes Cloud-Native
Sanjay-Barot
Why Traditional Testing Breaks Down with AI
Mend.io
Stop the Slop. Start Coding Smarter with AI
Ivan Liagushkin
Crypto Market Recovers as Liquidity Returns; Pepeto Announces $700K Giveaway and 221% Staking Reward
Chainwire
Bombastic Casino Unveils New Design And Enhanced Features
Chainwire
Sendmarc Appoints Dan Levinson As Customer Success Director In North America
CyberNewswire
What the Coinbase Hack Reveals About Crypto Regulation and the Harm Principle
Ray Youssef
Introducing Agentic Postgres, the Database for AI Agents
TigerData (creators of TimescaleDB)
Quan2um Donates Over$20,000 During Pilot Of Its Islamic Charity Blockchain
BTCWire
BingX AI Master Hits 1 Million Early Users, Expanding With 10 New AI Personas
BTCWire
Asifiqbal Saiyed Redefines Cloud Data Engineering With Automated, AI-Driven Ingestion Framework
Jon Stojan Journalist
Smarter Databases, Leaner Systems: How Innovation Is Redefining Data Management
Jon Stojan Journalist
Building a Greener Tomorrow: How Supply Chain Innovation Uplifts Communities Worldwide
Jon Stojan Journalist
Cloud Compliance Blueprint at MUFG: Building Trust into Transformation
Jon Stojan Journalist
Why GradientTape Is the Most Underrated Feature in TensorFlow
Tensor Flow - [Technical Documentation]
Debugging Disconnected Gradients in TensorFlow Step by Step
Tensor Flow - [Technical Documentation]
Kevan Dodhia’s Builder Journey to Creating the New Policy Layer for AI Agents
Jon Stojan Journalist
The Time Series Optimized Transformer Setting New Standards in Observability
Language Models (dot tech)
How Toto Reimagines Multi-Head Attention for Multivariate Forecasting
Language Models (dot tech)
![Tensor Flow - [Technical Documentation] HackerNoon profile picture](https://hackernoon.imgix.net/images/undefined-q683u5r.jpeg?auto=format&fit=max&w=128)
