Bitcoin Hashrate Escrow and Merged-Mined Sidechains
Hashrate escrow lets Bitcoin miners secure sidechains without a second consensus system, the exact mechanism, BIP 300 numbers, and honest caveats included.
№ 002BitcoinBitcoin's Taproot Annex: Reserved Space Explained
The Taproot annex is a reserved byte field in Bitcoin transactions, committed at signing, consensus-valid today, and blank until a future soft fork fills it.
№ 003BitcoinBitcoin Miniscript: Complex Spending Conditions Explained
Miniscript compiles human-readable Bitcoin spending policies into verifiable, non-malleable Script, concrete mechanism and a worked treasury example inside.
№ 004BitcoinSIGHASH_ANYPREVOUT and Eltoo Payment Channels
APO lets eltoo overwrite old channel states without penalty transactions or revocation archives. A concrete look at the mechanism and what blocks deployment.
№ 005BitcoinBitcoin's Dandelion Protocol and Transaction Origin Privacy
Dandelion splits Bitcoin propagation into stem and flood phases to defeat IP-to-transaction correlation. Mechanics, real tradeoffs, and deployment status.
№ 006BitcoinBitcoin Covenant Proposals: Miner Trust and Recursion
CTV, CSFS, and MATT draw the line between allowed and forbidden differently, and each encodes a distinct bet on miner honesty and script recursion.
№ 007BitcoinBitcoin Transaction Pinning and Lightning Force-Closes
Transaction pinning can trap Lightning Network force-closes at uncompetitive fee rates, burning timelocks. The mechanics, the stakes, and the fixes in progress.
№ 008BitcoinBitcoin Erlay Fanout Phase: Peer Selection Explained
Erlay's fanout phase pushes transactions to a randomized peer subset, not the whole network. A close look at the mechanism, its privacy logic, and its limits.
№ 009BitcoinBitcoin Output Script Versioning and Covenant Enforcement
How Bitcoin's script versioning lets developers add spending rules without breaking old nodes. The mechanics, tradeoffs, and a worked example.
№ 010BitcoinBitcoin Sighash Flags: Partial Signing Explained
Sighash flags let Bitcoin signers commit to only part of a transaction, the mechanics, the real tradeoffs, and what each flag actually does.
№ 011BitcoinBitcoin Silent Payments: Unique Addresses via BIP-352
BIP-352 lets senders derive a fresh Bitcoin address from your published keys alone, no coordination, no on-chain fingerprint. The mechanism, plainly explained.
№ 012BitcoinBitcoin Erlay Protocol: Cutting Node Bandwidth by 40%
Erlay uses set reconciliation to cut Bitcoin node bandwidth ~40%. The mechanism, a worked example, and an honest account of the latency trade-off.