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Protocols: Bitcoin

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Bitcoin

Mar 29, 2026

What is the Coinbase Transaction?

A first-principles explainer of the Bitcoin coinbase transaction: what it is, how it mints subsidy and collects fees, its structure, mining use, and validation rules.

21 min read

Bitcoin

Mar 22, 2026

What is Hashprice?

Learn what hashprice is, how Bitcoin miner revenue per PH/s/day is calculated, and why subsidy, fees, difficulty, and BTC price drive it.

22 min read

Bitcoin

Mar 21, 2026

What Is Taproot?

Learn what Taproot is in Bitcoin, how key-path and script-path spending work, why Schnorr signatures matter, and what Taproot changes in practice.

22 min read

Bitcoin

Mar 21, 2026

What Is an Unspent Transaction Output (UTXO) in Bitcoin?

Learn what Bitcoin UTXOs are, how unspent transaction outputs work, why change exists, and why the UTXO set matters for fees, privacy, and nodes.

23 min read

Bitcoin

Mar 21, 2026

What is SegWit?

Learn what SegWit is, why Bitcoin added it, how witness data, txid/wtxid, block weight, and witness programs work, and why it enabled Taproot.

23 min read

Bitcoin

Mar 21, 2026

What Are State Channels?

Learn what state channels are, how Bitcoin payment channels and Lightning work, why off-chain updates are safe, and where the model breaks down.

25 min read

Bitcoin

Mar 21, 2026

What is Replace-By-Fee?

Learn what Replace-By-Fee (RBF) is in Bitcoin, how mempool transaction replacement works, why it exists, and what it means for fees and unconfirmed payments.

24 min read

Bitcoin

Mar 21, 2026

What Are Payment Channels?

Learn what payment channels are, how they enable off-chain Bitcoin payments, how commitment transactions and HTLCs work, and what tradeoffs they involve.

25 min read

Bitcoin

Mar 21, 2026