diff --git a/include/bitcoin/protocol/config/authority.hpp b/include/bitcoin/protocol/config/authority.hpp
index d22d706..2daa1bb 100644
--- a/include/bitcoin/protocol/config/authority.hpp
+++ b/include/bitcoin/protocol/config/authority.hpp
@@ -16,7 +16,6 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-
 #ifndef LIBBITCOIN_PROTOCOL_CONFIG_AUTHORITY_HPP
 #define LIBBITCOIN_PROTOCOL_CONFIG_AUTHORITY_HPP
 
diff --git a/include/bitcoin/protocol/config/sodium.hpp b/include/bitcoin/protocol/config/sodium.hpp
index 30517fc..6eb1842 100644
--- a/include/bitcoin/protocol/config/sodium.hpp
+++ b/include/bitcoin/protocol/config/sodium.hpp
@@ -37,8 +37,6 @@ class BCP_API sodium
     /// A list of base85 values.
     /// This must provide operator<< for ostream in order to be used as a
     /// boost::program_options default_value.
-    typedef std::vector<sodium> list;
-
     sodium() NOEXCEPT;
     sodium(const std::string& base85) THROWS;
     sodium(const system::hash_digest& value) NOEXCEPT;
@@ -61,6 +59,8 @@ class BCP_API sodium
     system::hash_digest value_;
 };
 
+typedef std::vector<sodium> sodiums;
+
 } // namespace protocol
 } // namespace libbitcoin
 
diff --git a/include/bitcoin/protocol/define.hpp b/include/bitcoin/protocol/define.hpp
index 7016c46..edd4973 100644
--- a/include/bitcoin/protocol/define.hpp
+++ b/include/bitcoin/protocol/define.hpp
@@ -37,17 +37,6 @@
     #define BCP_INTERNAL BC_HELPER_DLL_LOCAL
 #endif
 
-// Log name.
-////#define LOG_PROTOCOL "protocol"
-////#define LOG_PROTOCOL_HTTP "http"
-////
-////// TODO: generalize logging.
-////#define LOG_INFO(name) std::cout << name << " : "
-////#define LOG_DEBUG(name) std::cout << name << " : "
-////#define LOG_VERBOSE(name) std::cout << name << " : "
-////#define LOG_ERROR(name) std::cerr << name << " : "
-////#define LOG_WARNING(name) std::cerr << name << " : "
-
 #endif
 
 // context       ->
diff --git a/include/bitcoin/protocol/network.hpp b/include/bitcoin/protocol/network.hpp
index 5cae347..9c8e89a 100644
--- a/include/bitcoin/protocol/network.hpp
+++ b/include/bitcoin/protocol/network.hpp
@@ -24,22 +24,29 @@
 // config::authority and config::endpoint are also cloned from network.
 
 #include <memory>
+#include <thread>
 #include <bitcoin/system.hpp>
 
 #ifdef HAVE_MSC
     #include <windows.h>
+    // #define THREAD_PRIORITY_IDLE            -15
+    // #define THREAD_PRIORITY_LOWEST          -2
+    // #define THREAD_PRIORITY_BELOW_NORMAL    -1
+    // #define THREAD_PRIORITY_NORMAL           0
+    // #define THREAD_PRIORITY_ABOVE_NORMAL     1
+    // #define THREAD_PRIORITY_HIGHEST          2
+    // #define THREAD_PRIORITY_TIME_CRITICAL    15
+    // #define THREAD_PRIORITY_ERROR_RETURN    (MAXLONG)
 #else
     #include <unistd.h>
     #include <pthread.h>
     #include <sys/resource.h>
     #include <sys/types.h>
-    #ifndef PRIO_MAX
-        #define PRIO_MAX 20
-    #endif
-    #define THREAD_PRIORITY_ABOVE_NORMAL (-2)
-    #define THREAD_PRIORITY_NORMAL 0
-    #define THREAD_PRIORITY_BELOW_NORMAL 2
-    #define THREAD_PRIORITY_LOWEST PRIO_MAX
+    #define THREAD_PRIORITY_HIGHEST             -20
+    #define THREAD_PRIORITY_ABOVE_NORMAL        -2
+    #define THREAD_PRIORITY_NORMAL               0
+    #define THREAD_PRIORITY_BELOW_NORMAL         2
+    #define THREAD_PRIORITY_LOWEST               20
 #endif
 
 namespace libbitcoin {
@@ -62,6 +69,7 @@ class enable_shared_from_base
 
 enum class thread_priority
 {
+    highest,
     high,
     normal,
     low,
@@ -79,26 +87,43 @@ inline int get_priority(thread_priority priority) NOEXCEPT
             return THREAD_PRIORITY_BELOW_NORMAL;
         case thread_priority::high:
             return THREAD_PRIORITY_ABOVE_NORMAL;
+        case thread_priority::highest:
+            return THREAD_PRIORITY_HIGHEST;
         default:
         case thread_priority::normal:
             return THREAD_PRIORITY_NORMAL;
     }
 }
 
-// Set the thread priority (or process if thread priority is not available).
+// Set the thread priority.
+// TODO: handle error conditions.
+// TODO: handle potential lack of PRIO_THREAD
+// TODO: use proper non-win32 priority levels.
+// TODO: Linux: pthread_setschedprio()
+// TOOD: macOS: somethign else.
 inline void set_priority(thread_priority priority) NOEXCEPT
 {
     const auto prioritization = get_priority(priority);
 
-    BC_PUSH_WARNING(NO_THROW_IN_NOEXCEPT)
 #if defined(HAVE_MSC)
+    // learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/
+    // nf-processthreadsapi-getthreadpriority
     SetThreadPriority(GetCurrentThread(), prioritization);
+
 #elif defined(PRIO_THREAD)
+    // lore.kernel.org/lkml/1220278355.3866.21.camel@localhost.localdomain/
     setpriority(PRIO_THREAD, pthread_self(), prioritization);
+
 #else
+    // BUGBUG: This will set all threads in the process.
+    // man7.org/linux/man-pages/man3/pthread_self.3.html
     setpriority(PRIO_PROCESS, getpid(), prioritization);
 #endif
-    BC_POP_WARNING()
+}
+
+inline size_t cores() NOEXCEPT
+{
+    return std::max(std::thread::hardware_concurrency(), 1_u32);
 }
 
 } // namespace protocol
diff --git a/install-cmake.sh b/install-cmake.sh
index bf2ca50..497a4c6 100755
--- a/install-cmake.sh
+++ b/install-cmake.sh
@@ -906,7 +906,7 @@ build_from_tarball_boost()
         "$BOOST_CXXFLAGS" \
         "$BOOST_LINKFLAGS" \
         "link=$BOOST_LINK" \
-	"warnings=off" \
+        "warnings=off" \
         "boost.locale.iconv=$BOOST_ICU_ICONV" \
         "boost.locale.posix=$BOOST_ICU_POSIX" \
         "-sNO_BZIP2=1" \
diff --git a/install-cmakepresets.sh b/install-cmakepresets.sh
index 29d51cd..9bdd8d7 100755
--- a/install-cmakepresets.sh
+++ b/install-cmakepresets.sh
@@ -945,7 +945,7 @@ build_from_tarball_boost()
         "$BOOST_CXXFLAGS" \
         "$BOOST_LINKFLAGS" \
         "link=$BOOST_LINK" \
-	"warnings=off" \
+        "warnings=off" \
         "boost.locale.iconv=$BOOST_ICU_ICONV" \
         "boost.locale.posix=$BOOST_ICU_POSIX" \
         "-sNO_BZIP2=1" \
diff --git a/install.sh b/install.sh
index 734ee70..4fec2ae 100755
--- a/install.sh
+++ b/install.sh
@@ -781,7 +781,7 @@ build_from_tarball_boost()
         "$BOOST_CXXFLAGS" \
         "$BOOST_LINKFLAGS" \
         "link=$BOOST_LINK" \
-	"warnings=off" \
+        "warnings=off" \
         "boost.locale.iconv=$BOOST_ICU_ICONV" \
         "boost.locale.posix=$BOOST_ICU_POSIX" \
         "-sNO_BZIP2=1" \
diff --git a/src/zmq/authenticator.cpp b/src/zmq/authenticator.cpp
index 65410c2..0b0dd65 100644
--- a/src/zmq/authenticator.cpp
+++ b/src/zmq/authenticator.cpp
@@ -51,7 +51,7 @@ authenticator::~authenticator() NOEXCEPT
     stop();
 }
 
-authenticator::operator context& () NOEXCEPT
+authenticator::operator context&() NOEXCEPT
 {
     return context_;
 }
diff --git a/src/zmq/worker.cpp b/src/zmq/worker.cpp
index 07a382d..c6a6236 100644
--- a/src/zmq/worker.cpp
+++ b/src/zmq/worker.cpp
@@ -33,8 +33,6 @@ namespace zmq {
 
 using namespace bc::system;
 
-#define NAME "worker"
-
 // Derive from this abstract worker to implement concrete worker.
 worker::worker(thread_priority priority) NOEXCEPT
   : priority_(priority),