Bitcoin Nonce Exhaustion: How Miners Roll Timestamps
A single ASIC sweeps Bitcoin's 4-billion nonce space in 0.00003 seconds. The timestamp field and ExtraNonce are what keep the search running.
№ 098BitcoinLightning Node Routing Revenue: The Real Net Math
Channel open/close costs and rebalancing fees routinely exceed routing income. A breakdown of the full cost structure most node dashboards hide.
№ 099BitcoinBitcoin SPV Bloom Filters and the Privacy Leak
SPV bloom filters were designed to obscure your addresses from nodes, the intersection attack math shows why they don't, and what actually works instead.
№ 100MiningMining Farm Cooling Costs: Engineering Per-Hash Efficiency
Cooling is a mining farm's second-largest expense. Operators who master thermal infrastructure cut cost per hash, this piece breaks down exactly how.
№ 101SecurityBitcoin Peer Discovery and Eclipse Attacks Explained
Bitcoin's peer discovery resists eclipse attacks via randomized bucketing, anchor peers, and subnet limits, but the gaps are real and worth knowing.
№ 102BitcoinBitcoin Script Has No Loops: Security by Design
Bitcoin Script omits loops entirely, not as a limitation, but as a deliberate defense against Denial-of-Service attacks on every node in the network.
№ 103SecurityReplay Attacks vs Double-Spends on Forked Chains
Replay attacks and double-spends differ mechanically, defensively, and in attacker effort. The distinction shapes real security decisions on forked chains.
№ 104BitcoinBIP-32 HD Wallets: How Key Derivation Actually Works
BIP-32 derives millions of Bitcoin keys from one seed without exposing the root. The exact mechanism, the hardening tradeoff, and where the real risks sit.
№ 105AnalysisWhat Is Cryptocurrency? A Plain-English Guide to How It Actually Works
No jargon. A direct answer to what cryptocurrency really is, whether it counts as money, and how Bitcoin fits into the bigger picture.
№ 106AnalysisHow Does Blockchain Work? A Plain-English Walkthrough
Forget the jargon. Here's a clear, honest explanation of how a blockchain actually keeps records straight across thousands of computers that have never met.
№ 107AnalysisProof of Stake vs Proof of Work: Which Consensus Actually Wins?
Two ways to secure a blockchain, two very different bets. I break down how proof of work and proof of stake really differ, where each one breaks, and which I'd trust with my money.
№ 108AnalysisHas Bitcoin Bottomed? The Cycle Case at $63K
Bitcoin sits near $63,000 after a brutal slide. A cycle-aware reading of the data, plus the regulatory and fraud noise around it. What to watch.