diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6a6b6e4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "c-multiaddr"]
+	path = c-multiaddr
+	url = https://github.com/raduiliescu83/c-multiaddr.git
+[submodule "c-multihash"]
+	path = c-multihash
+	url = https://github.com/raduiliescu83/c-multihash.git
+[submodule "c-protobuf"]
+	path = c-protobuf
+	url = https://github.com/raduiliescu83/c-protobuf.git
diff --git a/c-multiaddr b/c-multiaddr
new file mode 160000
index 0000000..a271e08
--- /dev/null
+++ b/c-multiaddr
@@ -0,0 +1 @@
+Subproject commit a271e08996337eaadede798d785d18ec9515fd42
diff --git a/c-multihash b/c-multihash
new file mode 160000
index 0000000..bc6c083
--- /dev/null
+++ b/c-multihash
@@ -0,0 +1 @@
+Subproject commit bc6c0830136d39c87b9f59a335d096db882418f6
diff --git a/c-protobuf b/c-protobuf
new file mode 160000
index 0000000..dceaa02
--- /dev/null
+++ b/c-protobuf
@@ -0,0 +1 @@
+Subproject commit dceaa020823be04c9ed54fec8fb8b2537f440d26