Bitcoin Halving and Transaction Fees: What Changes
The block reward halving cuts miner subsidies, not fee revenue. Here's the exact mechanism, with numbers, and why the distinction matters.
№ 074SecurityCoinbase Quantum Risk Report Flags Bitcoin Cold Wallets
Coinbase's quantum risk report puts exchange cold wallets among the bitcoin exposed by address reuse. What the warning means and what to watch.
№ 075SecurityBug vs Attack Chain Reorganizations: Key Differences
Chain reorgs look identical on the surface. Here's how engineers and analysts tell a bug apart from a deliberate attack, and why it matters.
№ 076BitcoinBitcoin Pay-to-Script-Hash: How P2SH Works
P2SH lets Bitcoin hide multisig and contract logic until coins are spent. Here's the exact mechanism, with a worked example.
№ 077BitcoinBitcoin's Coinbase Maturity Rule Explained
Bitcoin forces miners to wait 100 blocks before spending a block reward. Here's the exact mechanic, why it exists, and what it prevents.
№ 078BitcoinHow SegWit Changed Bitcoin Transaction ID Calculation
SegWit didn't just shrink fees. It fixed a subtle flaw in how Bitcoin transaction IDs are built. Here's the exact mechanism, explained clearly.
№ 079MiningHash Rate Distribution and Bitcoin Censorship Resistance
How mining pool concentration quietly shapes Bitcoin's ability to resist transaction censorship — and what the numbers actually mean for the network.
№ 080BitcoinWhy High Bitcoin Fees Don't Always Mean Faster Confirmation
A higher fee doesn't guarantee a faster Bitcoin confirmation. Here's the exact mechanics of mempool prioritisation, and where the logic breaks down.
№ 081SecuritySybil Attacks on Nakamoto Consensus: The Real Cost
Why flooding a proof-of-work network with fake identities doesn't work: the economic mechanics that make Sybil attacks prohibitively expensive.
№ 082BitcoinHow Bitcoin's UTXO Model Prevents Double Spending
Bitcoin stops double spending without a bank using unspent transaction outputs. Here's the exact mechanism, with a worked example.
№ 083BitcoinHow Hash Functions Prevent Bitcoin Block Malleability
Cryptographic hash functions lock every Bitcoin block into place. Here's the exact mechanism that makes retroactive tampering computationally absurd.
№ 084BitcoinHow Taproot Changed Bitcoin Multisig's On-Chain Footprint
Taproot made complex Bitcoin multisig wallets look identical to single-sig on-chain. Here's the exact mechanism, the tradeoffs, and what it means for privacy.