diff --git a/libp2p/crypto/crypto.nim b/libp2p/crypto/crypto.nim
index 1a448c315..32ae75f95 100644
--- a/libp2p/crypto/crypto.nim
+++ b/libp2p/crypto/crypto.nim
@@ -10,6 +10,7 @@
 ## This module implements Public Key and Private Key interface for libp2p.
 {.push raises: [Defect].}
 from strutils import split, strip, cmpIgnoreCase
+import chronicles
 
 const libp2p_pki_schemes* {.strdefine.} = "rsa,ed25519,secp256k1,ecnist"
 
@@ -1058,6 +1059,7 @@ proc getField*[T: PublicKey|PrivateKey](pb: ProtoBuffer, field: int,
       value = key
       ok(true)
     else:
+      debug "incorrect blob", bt=getStackTrace()
       err(ProtoError.IncorrectBlob)
 
 proc getField*(pb: ProtoBuffer, field: int,
@@ -1076,4 +1078,5 @@ proc getField*(pb: ProtoBuffer, field: int,
       value = sig
       ok(true)
     else:
+      debug "incorrect blob", bt=getStackTrace()
       err(ProtoError.IncorrectBlob)
diff --git a/libp2p/multiaddress.nim b/libp2p/multiaddress.nim
index 859c119bf..418f9d7df 100644
--- a/libp2p/multiaddress.nim
+++ b/libp2p/multiaddress.nim
@@ -18,6 +18,7 @@ import multicodec, multihash, multibase, transcoder, vbuffer, peerid,
        protobuf/minprotobuf
 import stew/[base58, base32, endians2, results]
 export results, minprotobuf, vbuffer
+import chronicles
 
 type
   MAKind* = enum
@@ -1044,6 +1045,7 @@ proc getField*(pb: var ProtoBuffer, field: int,
       value = ma.get()
       ok(true)
     else:
+      debug "incorrect blob", bt=getStackTrace()
       err(ProtoError.IncorrectBlob)
 
 proc getRepeatedField*(pb: var ProtoBuffer, field: int,
@@ -1061,5 +1063,6 @@ proc getRepeatedField*(pb: var ProtoBuffer, field: int,
         value.add(ma.get())
       else:
         value.setLen(0)
+        debug "incorrect blob", bt=getStackTrace()
         return err(ProtoError.IncorrectBlob)
     ok(true)
diff --git a/libp2p/peerid.nim b/libp2p/peerid.nim
index cd01ec149..7af435129 100644
--- a/libp2p/peerid.nim
+++ b/libp2p/peerid.nim
@@ -234,4 +234,5 @@ proc getField*(pb: ProtoBuffer, field: int,
       pid = peerId
       ok(true)
     else:
+      debug "incorrect blob", bt=getStackTrace(), len=buffer.len
       err(ProtoError.IncorrectBlob)
diff --git a/libp2p/protocols/pubsub/pubsubpeer.nim b/libp2p/protocols/pubsub/pubsubpeer.nim
index ea865e0fc..3d5cef33a 100644
--- a/libp2p/protocols/pubsub/pubsubpeer.nim
+++ b/libp2p/protocols/pubsub/pubsubpeer.nim
@@ -100,6 +100,7 @@ proc handle*(p: PubSubPeer, conn: Connection) {.async.} =
           notice "failed to decode msg from peer",
             conn, peer = p, closed = conn.closed,
             err = rmsg.error()
+          trace "failed message", bytes=data.toHex()
           break
 
         trace "decoded msg from peer",
diff --git a/libp2p/protocols/pubsub/rpc/protobuf.nim b/libp2p/protocols/pubsub/rpc/protobuf.nim
index 3c44d3a16..48f3dc86d 100644
--- a/libp2p/protocols/pubsub/rpc/protobuf.nim
+++ b/libp2p/protocols/pubsub/rpc/protobuf.nim
@@ -13,6 +13,7 @@ import messages,
        ../../../peerid,
        ../../../utility,
        ../../../protobuf/minprotobuf
+import stew/byteutils
 
 proc write*(pb: var ProtoBuffer, field: int, graft: ControlGraft) =
   var ipb = initProtoBuffer()
@@ -76,8 +77,11 @@ proc write*(pb: var ProtoBuffer, field: int, subs: SubOpts) =
 proc encodeMessage*(msg: Message): seq[byte] =
   var pb = initProtoBuffer()
   pb.write(1, msg.fromPeer)
+  trace "encodeMessage: write fromPeer", fromPeer = msg.fromPeer
   pb.write(2, msg.data)
+  trace "encodeMessage: write data", data = msg.data.toHex
   pb.write(3, msg.seqno)
+  trace "encodeMessage: write seqno", seqno = msg.seqno
   for topic in msg.topicIDs:
     pb.write(4, topic)
   if len(msg.signature) > 0: