Stealth Addresses Generic concept of generating a unique receiving address per payment via Diffie-Hellman key agreement between sender and receiver. Provides on-chain unlinkability for payments to the same recipient. History - 2014: original stealth-address proposals (Peter Todd, BIP63 draft). - BIP63 was withdrawn; never widely adopted. - BIP47 (2014) — concrete reusable payment codes (PayNyms). - BIP352 (2024) — Silent Payments, the modern Schnorr-based variant. Concept Compared modern variants - BIP47 : uses notification tx + simpler derivation. - BIP352 Silent Payments : stealth address c…