diff --git a/Formula/libbitcoin-protocol.rb b/Formula/libbitcoin-protocol.rb
new file mode 100644
index 0000000000..97d7a5d53f
--- /dev/null
+++ b/Formula/libbitcoin-protocol.rb
@@ -0,0 +1,39 @@
+class LibbitcoinProtocol < Formula
+  desc "Bitcoin Blockchain Query Protocol"
+  homepage "https://github.com/libbitcoin/libbitcoin-protocol"
+  url "https://github.com/libbitcoin/libbitcoin-protocol/archive/v3.5.0.tar.gz"
+  sha256 "9deac6908489e2d59fb9f89c895c49b00e01902d5fdb661f67d4dbe45b22af76"
+
+  depends_on "autoconf" => :build
+  depends_on "automake" => :build
+  depends_on "libtool" => :build
+  depends_on "pkg-config" => :build
+  depends_on "libbitcoin"
+  depends_on "zeromq"
+
+  def install
+    ENV.prepend_path "PKG_CONFIG_PATH", Formula["libbitcoin"].opt_libexec/"lib/pkgconfig"
+
+    system "./autogen.sh"
+    system "./configure", "--disable-dependency-tracking",
+                          "--disable-silent-rules",
+                          "--prefix=#{prefix}"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.cpp").write <<~EOS
+      #include <bitcoin/protocol.hpp>
+      int main() {
+        libbitcoin::protocol::zmq::message instance;
+        instance.enqueue();
+        assert(!instance.empty());
+        assert(instance.size() == 1u);
+      }
+    EOS
+    system ENV.cxx, "-std=c++11", "test.cpp",
+                    "-lbitcoin", "-lbitcoin-protocol", "-lboost_system",
+                    "-o", "test"
+    system "./test"
+  end
+end