Custodial vs Self-Custody: Who Actually Holds the Keys?
A beginner-friendly explanation of custodial and self-custody crypto setups, who controls the keys, what responsibility moves where, and what beginners should check.
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Jane Decodes
Complex ideas, decoded simply.
AI, crypto, 3D, science and web technologies — explained in plain English. A friendly blog for curious people who want complicated ideas without the jargon headache.
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Pick a category and start with the simple version.
AI
Plain-English guides to artificial intelligence, chatbots, tools and machine learning concepts.
Crypto
Calm, beginner-friendly explanations of blockchain, wallets, digital assets and crypto platforms.
3D
Simple guides to 3D printing, 3D modeling and creative digital production.
Science
Big scientific ideas explained without making your brain file a complaint.
Web
How websites, browsers, hosting, domains and internet technologies actually work.
Latest Posts
Fresh explanations from my research desk.
What Is Training Data? The Stuff AI Learns From Before It Sounds Smart
A beginner-friendly explanation of AI training data, why it matters, how data shapes outputs, and why AI systems can repeat patterns, biases, and mistakes.
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What Are AI Agents? When a Chatbot Gets a To-Do List
A beginner-friendly explanation of AI agents, tools, goals, planning, automation, and why agents are useful but still need boundaries.
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What Is a Black Hole? Not a Space Vacuum Cleaner
A beginner-friendly explanation of black holes, gravity, event horizons, spacetime, singularities, and why black holes are not cosmic vacuum cleaners.
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Crypto Network Fees Explained: Why Moving Digital Assets Is Not Always Free
A beginner-friendly explanation of crypto network fees, gas, congestion, native coins, token transfers, and why fees change from one blockchain to another.
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What Is Browser Cache? Why Websites Sometimes Remember Too Much
A beginner-friendly explanation of browser cache, why websites load faster, why old versions sometimes appear, and when clearing cache actually helps.
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Hand-picked guides worth starting with.
String Theory, Explained Without Melting Your Brain
A beginner-friendly explanation of string theory, extra dimensions, vibrating strings, and why physicists care about it — without pretending it is simple.
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3D Printing Basics: From Digital Model to Physical Object
A beginner-friendly explanation of how 3D printing works, from digital models and slicers to filament, layers, supports, failed prints, and real objects.
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What Is Blockchain? The Simple Version Nobody Starts With
A plain-English explanation of blockchain for beginners, without hype, scary diagrams, or the usual buzzword fog.
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What Happens When You Open a Website?
A beginner-friendly explanation of what happens behind the scenes when you type a website address into your browser.
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What Is AI, Really? A Plain-English Explanation
A beginner-friendly explanation of what AI actually is, how it learns patterns, why it feels smart, and why it still gets things wrong.
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About me
I write Jane Decodes for curious people who want complicated topics explained like we're sitting across the table with coffee, a notebook, and a healthy suspicion of buzzwords.
About Jane