Bitcoin'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.
№ 002BitcoinBitcoin 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.
№ 003BitcoinBitcoin Node Security: Outbound vs Inbound Connections
Bitcoin Core trusts outbound connections more than inbound, and for precise reasons. The security logic behind that asymmetry, explained for node operators.
№ 004SecurityBitcoin 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.