diff --git a/include/bitcoin/protocol/config/authority.hpp b/include/bitcoin/protocol/config/authority.hpp
index b7aa32c..d22d706 100644
--- a/include/bitcoin/protocol/config/authority.hpp
+++ b/include/bitcoin/protocol/config/authority.hpp
@@ -46,11 +46,11 @@ class BCP_API authority
     /// The port is optional and will be set to zero if not provided.
     /// The host can be in one of two forms:
     /// [2001:db8::2]:port or 1.2.240.1:port.
-    authority(const std::string& value) NOEXCEPT(false);
+    authority(const std::string& value) THROWS;
 
     /// The host can be in one of three forms:
     /// [2001:db8::2] or 2001:db8::2 or 1.2.240.1
-    authority(const std::string& host, uint16_t port) NOEXCEPT(false);
+    authority(const std::string& host, uint16_t port) THROWS;
 
     /// True if the port is non-zero.
     operator bool() const NOEXCEPT;
@@ -73,7 +73,7 @@ class BCP_API authority
     std::string to_string() const NOEXCEPT;
 
     friend std::istream& operator>>(std::istream& input,
-        authority& argument) NOEXCEPT(false);
+        authority& argument) THROWS;
     friend std::ostream& operator<<(std::ostream& output,
         const authority& argument) NOEXCEPT;
 
diff --git a/include/bitcoin/protocol/config/endpoint.hpp b/include/bitcoin/protocol/config/endpoint.hpp
index f033b62..7c418c4 100644
--- a/include/bitcoin/protocol/config/endpoint.hpp
+++ b/include/bitcoin/protocol/config/endpoint.hpp
@@ -45,7 +45,7 @@ class BCP_API endpoint
     /// The scheme and port may be undefined, in which case the port is
     /// reported as zero and the scheme is reported as an empty string.
     /// The value is of the form: [scheme://]host[:port]
-    endpoint(const std::string& uri) NOEXCEPT(false);
+    endpoint(const std::string& uri) THROWS;
     endpoint(const authority& authority) NOEXCEPT;
 
     /// host may be host name or ip address.
@@ -76,7 +76,7 @@ class BCP_API endpoint
     endpoint to_local() const NOEXCEPT;
 
     friend std::istream& operator>>(std::istream& input,
-        endpoint& argument) NOEXCEPT(false);
+        endpoint& argument) THROWS;
     friend std::ostream& operator<<(std::ostream& output,
         const endpoint& argument) NOEXCEPT;
 
diff --git a/include/bitcoin/protocol/config/sodium.hpp b/include/bitcoin/protocol/config/sodium.hpp
index c3504bc..30517fc 100644
--- a/include/bitcoin/protocol/config/sodium.hpp
+++ b/include/bitcoin/protocol/config/sodium.hpp
@@ -40,7 +40,7 @@ class BCP_API sodium
     typedef std::vector<sodium> list;
 
     sodium() NOEXCEPT;
-    sodium(const std::string& base85) NOEXCEPT(false);
+    sodium(const std::string& base85) THROWS;
     sodium(const system::hash_digest& value) NOEXCEPT;
 
     /// True if the key is initialized.
@@ -53,9 +53,9 @@ class BCP_API sodium
     std::string to_string() const NOEXCEPT;
 
     friend std::istream& operator>>(std::istream& input,
-        sodium& argument) NOEXCEPT(false);
+        sodium& argument) THROWS;
     friend std::ostream& operator<<(std::ostream& output,
-        const sodium& argument) NOEXCEPT(false);
+        const sodium& argument) THROWS;
 
 private:
     system::hash_digest value_;
diff --git a/src/config/authority.cpp b/src/config/authority.cpp
index b5e2ee8..ad56e01 100644
--- a/src/config/authority.cpp
+++ b/src/config/authority.cpp
@@ -49,7 +49,7 @@ static std::string to_host_name(const std::string& host) NOEXCEPT
 
 // host: [2001:db8::2] or 2001:db8::2 or 1.2.240.1
 static std::string to_text(const std::string& host,
-    uint16_t port) NOEXCEPT(false)
+    uint16_t port) THROWS
 {
     std::stringstream authority;
     authority << to_host_name(host);
@@ -123,14 +123,14 @@ BC_POP_WARNING()
 }
 
 // authority: [2001:db8::2]:port or 1.2.240.1:port
-authority::authority(const std::string& value) NOEXCEPT(false)
+authority::authority(const std::string& value) THROWS
   : authority()
 {
     std::stringstream(value) >> *this;
 }
 
 // host: [2001:db8::2] or 2001:db8::2 or 1.2.240.1
-authority::authority(const std::string& host, uint16_t port) NOEXCEPT(false)
+authority::authority(const std::string& host, uint16_t port) THROWS
   : authority()
 {
     std::stringstream(to_text(host, port)) >> *this;
@@ -168,7 +168,7 @@ std::string authority::to_string() const NOEXCEPT
 }
 
 std::istream& operator>>(std::istream& input,
-    authority& argument) NOEXCEPT(false)
+    authority& argument) THROWS
 {
     std::string value;
     input >> value;
diff --git a/src/config/endpoint.cpp b/src/config/endpoint.cpp
index bfe7c4f..55a5a34 100644
--- a/src/config/endpoint.cpp
+++ b/src/config/endpoint.cpp
@@ -37,7 +37,7 @@ BC_POP_WARNING()
 {
 }
 
-endpoint::endpoint(const std::string& uri) NOEXCEPT(false)
+endpoint::endpoint(const std::string& uri) THROWS
   : scheme_(), host_(), port_(0)
 {
     std::stringstream(uri) >> *this;
@@ -98,7 +98,7 @@ endpoint::operator bool() const NOEXCEPT
 }
 
 std::istream& operator>>(std::istream& input,
-    endpoint& argument) NOEXCEPT(false)
+    endpoint& argument) THROWS
 {
     std::string value;
     input >> value;
diff --git a/src/config/sodium.cpp b/src/config/sodium.cpp
index e089d4a..2d6053e 100644
--- a/src/config/sodium.cpp
+++ b/src/config/sodium.cpp
@@ -35,7 +35,7 @@ sodium::sodium() NOEXCEPT
 {
 }
 
-sodium::sodium(const std::string& base85) NOEXCEPT(false)
+sodium::sodium(const std::string& base85) THROWS
   : sodium()
 {
     std::stringstream(base85) >> *this;
@@ -66,7 +66,7 @@ std::string sodium::to_string() const NOEXCEPT
     BC_POP_WARNING()
 }
 
-std::istream& operator>>(std::istream& input, sodium& argument) NOEXCEPT(false)
+std::istream& operator>>(std::istream& input, sodium& argument) THROWS
 {
     std::string base85;
     input >> base85;
@@ -82,7 +82,7 @@ std::istream& operator>>(std::istream& input, sodium& argument) NOEXCEPT(false)
 }
 
 std::ostream& operator<<(std::ostream& output,
-    const sodium& argument) NOEXCEPT(false)
+    const sodium& argument) THROWS
 {
     std::string decoded;