Published articles and notes from Bitfalls, included directly in the server response.
A blockchain is a network of computers that needs to agree on one shared history: who sent what to whom, and in which order. The method used to reach that agreement is called a con...
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The Lightning Network in 2026 - fact or fiction?
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Did you know 184 billion bitcoin was minted once upon a time? Did you also know that there was a coordinated rollback of the chain?
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What modern tactics can we use to optimize our smart contracts?
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What are testnets? Which ones should you use and what for?
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How do they differ in 2026? Is one better than the other?
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An argument financial institutions, politicians, and regulators often cite against wider adoption of cryptocurrency is that it’s “anonymous”, and therefore perfect for criminals an...
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One of the most common questions newcomers have is how hardware wallets like the Ledger Nano S can possibly be the most secure way to store cryptocurrency. What if the device gets...
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A wallet is software that manages cryptographic keys used to control cryptocurrency on a blockchain . While people often say a wallet is an address, that’s a simplification. In rea...
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Pump & dump (P&D) schemes are a common occurrence in the cryptocurrency world. They most often happen in Telegram or Discord (chat programs) groups in which several thousand people...
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Progressive centralization teaches a type of development which starts bottom up, building clunky but censorship resistant and downtime resistant apps. Then, layers of progressive usability are added on top.
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This is a 2017 explainer from the original Bitfalls website. It's been ported over into the new format but not updated. It is still very much relevant, as the Bitcoin blockchain st...
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Learn the basics of cryptocurrency - what is it, and why does it exist?
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