diff --git a/README.md b/README.md
index 246e648..0095835 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,10 @@ environments. At a high level, Waku v2 implements a Pub/Sub messaging pattern ov
 capabilities to it.
 
 [Learn more about Waku](https://waku.org/)
+
+## Dependencies
+
+For mac:
+```console
+brew install bufbuild/buf/buf
+```
diff --git a/waku/peer_exchange/v2alpha1/peer_exchange.proto b/waku/peer_exchange/v2alpha1/peer_exchange.proto
new file mode 100644
index 0000000..eea6043
--- /dev/null
+++ b/waku/peer_exchange/v2alpha1/peer_exchange.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+// 34/WAKU2-PEER-EXCHANGE rfc: https://rfc.vac.dev/spec/34/
+// Protocol identifier: /vac/waku/peer-exchange/2.0.0-alpha1
+package waku.peer_exchange.v2alpha1;
+
+message PeerInfo {
+  bytes enr = 1;
+}
+
+message PeerExchangeQuery {
+  uint64 num_peers = 1;
+}
+
+message PeerExchangeResponse {
+  repeated PeerInfo peer_infos = 1;
+}
+
+message PeerExchangeRPC {
+  PeerExchangeQuery query = 1;
+  PeerExchangeResponse response = 2;
+}