Bitfalls blog

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What’s the Difference Between PoW, PoS, and Delegated PoS? (2026 update)

A 2026 comparison of proof of work, proof of stake, delegated proof of stake, and newer consensus families without the marketing fog.

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How does the Lightning Network work?

How Lightning payment channels work, why routing and liquidity are hard, and what the 2026 version of the Bitcoin scaling argument gets right and wrong.

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The Curious Case of 184 Billion Bitcoin

How the 2010 Bitcoin value overflow bug minted 184 billion BTC, why the network rolled it back, and what that says about immutability.

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Audits Beyond Code (2026): Practical Gas Optimization That Still Matters

A practical 2026 smart contract gas checklist covering optimizations that still matter and older tricks that no longer do.

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What is an Ethereum testnet?

Ethereum testnets in 2026, including Sepolia, Hoodi, Ephemery, local forks, L2 testnets, and when old tutorials are pointing you at dead networks.

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The difference between Ethereum and Bitcoin

Bitcoin is scarce settlement money. Ethereum is programmable value. This 2026 comparison explains finality, gas, smart contracts, rollups, and tradeoffs.

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How anonymous are cryptocurrencies like Bitcoin?

Bitcoin is public and pseudonymous, not truly anonymous. This guide explains where privacy leaks happen and what stronger privacy tools can and cannot fix.

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How do hardware wallets work?

How hardware wallets generate, protect, and restore private keys, including BIP-39 seed phrases, passphrases, and realistic recovery risks.

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What is a cryptocurrency wallet?

A beginner-friendly explanation of crypto wallets, addresses, private keys, and why exchanges are not the same as self-custody.

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The Anatomy of a Pump and Dump Group

A field guide to crypto pump-and-dump groups: how organizers front-run members, manufacture hype, and leave late buyers holding the bag.

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Progressive Centralization

Bruno Skvorc's WebSummerCamp talk on building decentralized apps from the bottom up, then adding usability where it does not erase resilience.

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How the Bitcoin blockchain works

A Mario-and-Luigi explanation of Bitcoin blocks, hashing, mining, and proof of work for readers who want the mechanism without the jargon.

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What are cryptocurrencies?

A plain-language Bitfalls explainer on why cryptocurrencies exist, how they differ from fiat and game money, and what a token actually represents.

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