added reference to BIP 47

Author: pox

bip-alfredhodler-privatepayments.mediawiki

@@ -245,6 +245,7 @@ Another opportunity exists for an existing business to attach notification paylo
 * [[bip-0032.mediawiki|BIP32 - Hierarchical Deterministic Wallets]]
 * [[bip-0043.mediawiki|BIP43 - Purpose Field for Deterministic Wallets]]
 * [[bip-0044.mediawiki|BIP44 - Multi-Account Hierarchy for Deterministic Wallets]]
+* [[bip-0047.mediawiki|BIP47 - Reusable Payment Codes for Hierarchical Deterministic Wallets]]
 * [[bip-0157.mediawiki|BIP157 - Client Side Block Filtering]]
 * [[bip-0158.mediawiki|BIP158 - Compact Block Filters for Light Clients]]