Crypto & DeFi

How Blockchain Works

How blockchains actually work, without the jargon: cryptography, consensus, gas fees, network congestion and what keeps them secure.

How Blockchain Works

The Cryptography Behind 'Crypto': What's Actually Doing the Securing

Public and private keys, hashing, and digital signatures: the three cryptographic building blocks that make the entire industry possible, explained without the maths.

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How Blockchain Works

Network Congestion: Why the Whole Chain Slows Down When Everyone Shows Up at Once

What's actually happening when a network gets congested, why it isn't a bug, and the specific approaches different blockchains take to cope with it.

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How Blockchain Works

Crypto Forks: What Actually Happens When a Blockchain Splits in Two

Soft forks, hard forks, and the handful of famous splits that created entirely new coins, explained without assuming you already know the difference.

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How Blockchain Works

Does Quantum Computing Actually Threaten Bitcoin? What's Real and What's Hype

The genuine cryptographic vulnerability quantum computers could eventually exploit, and why 'eventually' is doing a lot of work in that sentence today.

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How Blockchain Works

Crypto Mining: What the Hardware Is Actually Doing

The process behind Proof of Work, why it consumes so much electricity by design, and what mining actually secures beyond just creating new coins.

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How Blockchain Works

Layer-2 Blockchains: The Fix for Networks That Get Too Popular for Their Own Good

How a second network built on top of an existing blockchain can make transactions dramatically cheaper without weakening the security underneath.

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