diff --git a/examples/pingpong.nim b/examples/pingpong.nim
index bfdb67c..5789e04 100644
--- a/examples/pingpong.nim
+++ b/examples/pingpong.nim
@@ -12,9 +12,16 @@ import ../src/chat/crypto
 proc getContent(content: ContentFrame): string =
   # Skip type checks and assume its a TextFrame
   let m = decode(content.bytes, TextFrame).valueOr:
-    raise newException(ValueError, fmt"Badly formed Content")
+    raise newException(ValueError, fmt"Badly formed ContentType")
   return fmt"{m}"
 
+proc toBytes(content: ContentFrame): seq[byte] =
+  encode(content)
+
+proc fromBytes(bytes: seq[byte]): ContentFrame =
+  decode(bytes, ContentFrame).valueOr:
+      raise newException(ValueError, fmt"Badly formed Content")
+
 proc main() {.async.} =
 
   # Create Configurations
@@ -37,9 +44,10 @@ proc main() {.async.} =
   var ri = 0
   # Wire Callbacks
   saro.onNewMessage(proc(convo: Conversation, msg: ReceivedMessage) {.async.} =
-    echo "    Saro  <------        :: " & getContent(msg.content)
+    let contentFrame = msg.content.fromBytes()
+    echo "    Saro  <------        :: " & getContent(contentFrame)
     await sleepAsync(5000.milliseconds)
-    discard await convo.sendMessage(initTextFrame("Ping").toContentFrame())
+    discard await convo.sendMessage(initTextFrame("Ping").toContentFrame().toBytes())
   
     )
 
@@ -51,19 +59,20 @@ proc main() {.async.} =
 
 
   raya.onNewMessage(proc(convo: Conversation,msg: ReceivedMessage) {.async.} =
-    echo fmt"           ------>  Raya :: from:{msg.sender} " & getContent(msg.content)
+    let contentFrame = msg.content.fromBytes()
+    echo fmt"           ------>  Raya :: from:{msg.sender} " & getContent(contentFrame)
     await sleepAsync(500.milliseconds)
-    discard  await convo.sendMessage(initTextFrame("Pong" & $ri).toContentFrame())
+    discard  await convo.sendMessage(initTextFrame("Pong" & $ri).toContentFrame().toBytes())
     await sleepAsync(800.milliseconds)
-    discard  await convo.sendMessage(initTextFrame("Pong" & $ri).toContentFrame())
+    discard  await convo.sendMessage(initTextFrame("Pong" & $ri).toContentFrame().toBytes())
     await sleepAsync(500.milliseconds)
-    discard  await convo.sendMessage(initTextFrame("Pong" & $ri).toContentFrame())
+    discard  await convo.sendMessage(initTextFrame("Pong" & $ri).toContentFrame().toBytes())
     inc ri
   )
 
   raya.onNewConversation(proc(convo: Conversation) {.async.} =
     echo "           ------>  Raya :: New Conversation: " & convo.id()
-    discard await convo.sendMessage(initTextFrame("Hello").toContentFrame())
+    discard await convo.sendMessage(initTextFrame("Hello").toContentFrame().toBytes())
   )
   raya.onDeliveryAck(proc(convo: Conversation, msgId: string) {.async.} =
     echo "    raya -- Read Receipt for " & msgId
diff --git a/protos/private_v1.proto b/protos/private_v1.proto
index 9d12c4f..7dd69ff 100644
--- a/protos/private_v1.proto
+++ b/protos/private_v1.proto
@@ -2,10 +2,6 @@ syntax = "proto3";
 
 package wap.convos.private_v1;
 
-import "common_frames.proto";
-
-
-
 
 message Placeholder {
     uint32 counter = 1;
@@ -16,7 +12,7 @@ message PrivateV1Frame {
     bytes sender = 2;                
     int64 timestamp = 3;          // Sender reported timestamp
 	oneof frame_type {
-		common_frames.ContentFrame content = 10;
+		bytes content = 10;
         Placeholder placeholder = 11;
         // ....
 	}
diff --git a/src/chat.nim b/src/chat.nim
index 46f2833..398e3fe 100644
--- a/src/chat.nim
+++ b/src/chat.nim
@@ -5,13 +5,12 @@ import chat/[
   delivery/waku_client,
   identity,
   links,
-  proto_types,
   types
 ]
 
 export client, conversations, identity, links, waku_client
 
 #export specific frames need by applications
-export ContentFrame, MessageId
+export MessageId
 
 export toHex
diff --git a/src/chat/conversations/convo_type.nim b/src/chat/conversations/convo_type.nim
index d497fd9..b810eed 100644
--- a/src/chat/conversations/convo_type.nim
+++ b/src/chat/conversations/convo_type.nim
@@ -24,6 +24,6 @@ method id*(self: Conversation): string {.raises: [Defect, ValueError].} =
   # TODO: make this a compile time check
   panic("ProgramError: Missing concrete implementation")
 
-method sendMessage*(convo: Conversation, content_frame: ContentFrame) : Future[MessageId] {.async, base, gcsafe.} =
+method sendMessage*(convo: Conversation, content_frame: Content) : Future[MessageId] {.async, base, gcsafe.} =
   # TODO: make this a compile time check
   panic("ProgramError: Missing concrete implementation")
diff --git a/src/chat/conversations/message.nim b/src/chat/conversations/message.nim
index 0ecc143..6f82edf 100644
--- a/src/chat/conversations/message.nim
+++ b/src/chat/conversations/message.nim
@@ -1,5 +1,4 @@
 import ../crypto
-import ../proto_types
 
 # How to surface different verifability of properties across conversation types 
 
@@ -7,6 +6,6 @@ import ../proto_types
 type ReceivedMessage* = ref object of RootObj
   sender*: PublicKey
   timestamp*: int64
-  content*: ContentFrame
+  content*: seq[byte]
 
 
diff --git a/src/chat/conversations/private_v1.nim b/src/chat/conversations/private_v1.nim
index 7554bc9..f8ee8ea 100644
--- a/src/chat/conversations/private_v1.nim
+++ b/src/chat/conversations/private_v1.nim
@@ -28,7 +28,7 @@ import ../../naxolotl as nax
 type
   ReceivedPrivateV1Message* = ref object of ReceivedMessage 
     
-proc initReceivedMessage(sender: PublicKey, timestamp: int64, content: ContentFrame) : ReceivedPrivateV1Message =
+proc initReceivedMessage(sender: PublicKey, timestamp: int64, content: Content) : ReceivedPrivateV1Message =
   ReceivedPrivateV1Message(sender:sender, timestamp:timestamp, content:content)
 
 
@@ -209,7 +209,7 @@ proc handleFrame*[T: ConversationStore](convo: PrivateV1, client: T,
     return
 
   case frame.getKind():
-  of typeContentFrame:
+  of typeContent:
     # TODO: Using client.getId() results in an error in this context
     client.notifyNewMessage(convo, initReceivedMessage(convo.participant, frame.timestamp, frame.content))
     
@@ -217,7 +217,7 @@ proc handleFrame*[T: ConversationStore](convo: PrivateV1, client: T,
     notice "Got Placeholder", text = frame.placeholder.counter
 
 
-method sendMessage*(convo: PrivateV1, content_frame: ContentFrame) : Future[MessageId] {.async.} =
+method sendMessage*(convo: PrivateV1, content_frame: Content) : Future[MessageId] {.async.} =
 
   try:
     let frame = PrivateV1Frame(sender: @(convo.owner.getPubkey().bytes()),
diff --git a/src/chat/inbox.nim b/src/chat/inbox.nim
index 14beed2..cbaa288 100644
--- a/src/chat/inbox.nim
+++ b/src/chat/inbox.nim
@@ -9,7 +9,6 @@ import
   conversations,
   conversation_store,
   crypto,
-  delivery/waku_client,
   proto_types,
   types
 
@@ -107,6 +106,6 @@ proc handleFrame*[T: ConversationStore](convo: Inbox, client: T, bytes: seq[
     notice "Receive Note", client = client.getId(), text = frame.note.text
 
 
-method sendMessage*(convo: Inbox, content_frame: ContentFrame) : Future[MessageId] {.async.} =
+method sendMessage*(convo: Inbox, content_frame: Content) : Future[MessageId] {.async.} =
   warn "Cannot send message to Inbox"
   result = "program_error"
diff --git a/src/chat/proto_types.nim b/src/chat/proto_types.nim
index 43c82cb..2e3a25c 100644
--- a/src/chat/proto_types.nim
+++ b/src/chat/proto_types.nim
@@ -12,13 +12,11 @@ import_proto3 "../../protos/inbox.proto"
 # import_proto3 "../protos/invite.proto"    // Import3 follows protobuf includes so this will result in a redefinition error
 import_proto3 "../../protos/encryption.proto"
 import_proto3 "../../protos/envelope.proto"
-# import_proto3 "../protos/common_frames.proto"
 
 import_proto3 "../../protos/private_v1.proto"
 
 type EncryptableTypes = InboxV1Frame | EncryptedPayload
 
-export ContentFrame
 export EncryptedPayload
 export InboxV1Frame
 export PrivateV1Frame
@@ -94,12 +92,12 @@ proc getKind*(obj: InboxV1Frame): InboxV1FrameType =
 
 type
   PrivateV1FrameType* = enum
-    type_ContentFrame, type_Placeholder
+    type_Content, type_Placeholder
 
 proc getKind*(obj: PrivateV1Frame): PrivateV1FrameType =
 
-  if obj.content != ContentFrame():
-    return type_ContentFrame
+  if obj.content != @[]:
+    return type_Content
 
   if obj.placeholder != Placeholder():
     return type_Placeholder
diff --git a/src/chat/types.nim b/src/chat/types.nim
index d8acc92..d5989fd 100644
--- a/src/chat/types.nim
+++ b/src/chat/types.nim
@@ -1 +1,2 @@
 type MessageId* = string
+type Content* = seq[byte]
diff --git a/src/content_types/all.nim b/src/content_types/all.nim
index 4fd7d25..f4b6425 100644
--- a/src/content_types/all.nim
+++ b/src/content_types/all.nim
@@ -12,7 +12,7 @@ import ../chat/proto_types
 export protobuf_serialization
 
 import_proto3 "protos/text_frame.proto"
-# import_proto3 "../../protos/common_frames.proto"
+import_proto3 "protos/common_frames.proto"
 
 export ContentFrame, TextFrame
 
diff --git a/protos/common_frames.proto b/src/content_types/protos/common_frames.proto
similarity index 100%
rename from protos/common_frames.proto
rename to src/content_types/protos/common_frames.proto