diff --git a/src/base58.cpp b/src/base58.cpp
index 69692c95ebe..e093608aa3f 100644
--- a/src/base58.cpp
+++ b/src/base58.cpp
@@ -212,6 +212,30 @@ int CBase58Data::CompareTo(const CBase58Data& b58) const
 
 namespace
 {
+/** base58-encoded Bitcoin addresses.
+ * Public-key-hash-addresses have version 0 (or 111 testnet).
+ * The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key.
+ * Script-hash-addresses have version 5 (or 196 testnet).
+ * The data vector contains RIPEMD160(SHA256(cscript)), where cscript is the serialized redemption script.
+ */
+class CBitcoinAddress : public CBase58Data {
+public:
+    bool Set(const CKeyID &id);
+    bool Set(const CScriptID &id);
+    bool Set(const CTxDestination &dest);
+    bool IsValid() const;
+    bool IsValid(const CChainParams &params) const;
+
+    CBitcoinAddress() {}
+    CBitcoinAddress(const CTxDestination &dest) { Set(dest); }
+    CBitcoinAddress(const std::string& strAddress) { SetString(strAddress); }
+    CBitcoinAddress(const char* pszAddress) { SetString(pszAddress); }
+
+    CTxDestination Get() const;
+    bool GetKeyID(CKeyID &keyID) const;
+    bool IsScript() const;
+};
+
 class CBitcoinAddressVisitor : public boost::static_visitor<bool>
 {
 private:
diff --git a/src/base58.h b/src/base58.h
index 0a0ae6ae299..4b895ca0222 100644
--- a/src/base58.h
+++ b/src/base58.h
@@ -95,30 +95,6 @@ public:
     bool operator> (const CBase58Data& b58) const { return CompareTo(b58) >  0; }
 };
 
-/** base58-encoded Bitcoin addresses.
- * Public-key-hash-addresses have version 0 (or 111 testnet).
- * The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key.
- * Script-hash-addresses have version 5 (or 196 testnet).
- * The data vector contains RIPEMD160(SHA256(cscript)), where cscript is the serialized redemption script.
- */
-class CBitcoinAddress : public CBase58Data {
-public:
-    bool Set(const CKeyID &id);
-    bool Set(const CScriptID &id);
-    bool Set(const CTxDestination &dest);
-    bool IsValid() const;
-    bool IsValid(const CChainParams &params) const;
-
-    CBitcoinAddress() {}
-    CBitcoinAddress(const CTxDestination &dest) { Set(dest); }
-    CBitcoinAddress(const std::string& strAddress) { SetString(strAddress); }
-    CBitcoinAddress(const char* pszAddress) { SetString(pszAddress); }
-
-    CTxDestination Get() const;
-    bool GetKeyID(CKeyID &keyID) const;
-    bool IsScript() const;
-};
-
 /**
  * A base58-encoded secret key
  */