diff --git a/libp2p/multiaddress.nim b/libp2p/multiaddress.nim
index 02f5c4803..38835f607 100644
--- a/libp2p/multiaddress.nim
+++ b/libp2p/multiaddress.nim
@@ -297,6 +297,33 @@ proc dnsVB(vb: var VBuffer): bool =
     if s.find('/') == -1:
       result = true
 
+proc certHashStB(s: string, vb: var VBuffer): bool =
+  ## CertHash address stringToBuffer() implementation.
+  var data = MultiBase.decode(s).valueOr:
+    return false
+  var mh: MultiHash
+  if MultiHash.decode(data, mh).isOk:
+    vb.writeSeq(data)
+    result = true
+
+proc certHashBtS(vb: var VBuffer, s: var string): bool =
+  ## CertHash address bufferToString() implementation.
+  var address = newSeq[byte]()
+  if vb.readSeq(address) > 0:
+    var mh: MultiHash
+    if MultiHash.decode(address, mh).isOk:
+      s = MultiBase.encode("base64", address).valueOr:
+        return false
+      result = true
+
+proc certHashVB(vb: var VBuffer): bool =
+  ## CertHash address validateBuffer() implementation.
+  var address = newSeq[byte]()
+  if vb.readSeq(address) > 0:
+    var mh: MultiHash
+    if MultiHash.decode(address, mh).isOk:
+      result = true
+
 proc mapEq*(codec: string): MaPattern =
   ## ``Equal`` operator for pattern
   result.operator = Eq
@@ -358,6 +385,11 @@ const
     bufferToString: dnsBtS,
     validateBuffer: dnsVB
   )
+  TranscoderCertHash* = Transcoder(
+    stringToBuffer: certHashStB,
+    bufferToString: certHashBtS,
+    validateBuffer: certHashVB
+  )
   ProtocolsList = [
     MAProtocol(
       mcodec: multiCodec("ip4"), kind: Fixed, size: 4,
@@ -458,7 +490,17 @@ const
     ),
     MAProtocol(
       mcodec: multiCodec("p2p-webrtc-direct"), kind: Marker, size: 0
-    )
+    ),
+    MAProtocol(
+      mcodec: multiCodec("webrtc"), kind: Marker, size: 0
+    ),
+    MAProtocol(
+      mcodec: multiCodec("webrtc-direct"), kind: Marker, size: 0
+    ),
+    MAProtocol(
+      mcodec: multiCodec("certhash"), kind: Length, size: 0,
+      coder: TranscoderCertHash
+    ),
   ]
 
   DNSANY* = mapEq("dns")
@@ -489,6 +531,7 @@ const
   WebSockets_DNS* = mapOr(WS_DNS, WSS_DNS)
   WebSockets_IP* = mapOr(WS_IP, WSS_IP)
   WebSockets* = mapOr(WS, WSS)
+  WebRtcDirect2* = mapAnd(UDP, mapEq("webrtc-direct"), mapEq("certhash"))
   Onion3* = mapEq("onion3")
   TcpOnion3* = mapAnd(TCP, Onion3)
 
@@ -512,7 +555,7 @@ const
     mapAnd(DNS, mapEq("https"))
   )
 
-  WebRTCDirect* = mapOr(
+  WebRTCDirect* {.deprecated.} = mapOr(
     mapAnd(HTTP, mapEq("p2p-webrtc-direct")),
     mapAnd(HTTPS, mapEq("p2p-webrtc-direct"))
   )
diff --git a/libp2p/multicodec.nim b/libp2p/multicodec.nim
index 184da5712..eb15fd301 100644
--- a/libp2p/multicodec.nim
+++ b/libp2p/multicodec.nim
@@ -193,11 +193,14 @@ const MultiCodecList = [
   ("https", 0x01BB),
   ("tls", 0x01C0),
   ("quic", 0x01CC),
+  ("certhash", 0x01D2),
   ("ws", 0x01DD),
   ("wss", 0x01DE),
   ("p2p-websocket-star", 0x01DF), # not in multicodec list
   ("p2p-webrtc-star", 0x0113), # not in multicodec list
   ("p2p-webrtc-direct", 0x0114), # not in multicodec list
+  ("webrtc-direct", 0x0118),
+  ("webrtc", 0x0119),
   ("onion", 0x01BC),
   ("onion3", 0x01BD),
   ("p2p-circuit", 0x0122),
diff --git a/tests/testmultiaddress.nim b/tests/testmultiaddress.nim
index 025909e48..1d7edc72c 100644
--- a/tests/testmultiaddress.nim
+++ b/tests/testmultiaddress.nim
@@ -147,7 +147,9 @@ const
     "/ip4/127.0.0.1/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC/tcp/1234",
     "/ip6/2001:8a0:7ac5:4201:3ac9:86ff:fe31:7095/tcp/8000/ws/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC",
     "/p2p-webrtc-star/ip4/127.0.0.1/tcp/9090/ws/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC",
-    "/ip4/127.0.0.1/tcp/9090/p2p-circuit/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC"
+    "/ip4/127.0.0.1/tcp/9090/p2p-circuit/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC",
+    "/ip4/127.0.0.1/udp/1234/webrtc-direct",
+    "/ip4/127.0.0.1/udp/1234/webrtc-direct/certhash/uEiDDq4_xNyDorZBH3TlGazyJdOWSwvo4PUo5YHFMrvDE8g",
   ]
 
   RustSuccessExpects = [
@@ -177,7 +179,9 @@ const
     "047F000001A503221220D52EBB89D85B02A284948203A62FF28389C57C9F42BEEC4EC20DB76A68911C0B0604D2",
     "29200108A07AC542013AC986FFFE317095061F40DD03A503221220D52EBB89D85B02A284948203A62FF28389C57C9F42BEEC4EC20DB76A68911C0B",
     "9302047F000001062382DD03A503221220D52EBB89D85B02A284948203A62FF28389C57C9F42BEEC4EC20DB76A68911C0B",
-    "047F000001062382A202A503221220D52EBB89D85B02A284948203A62FF28389C57C9F42BEEC4EC20DB76A68911C0B"
+    "047F000001062382A202A503221220D52EBB89D85B02A284948203A62FF28389C57C9F42BEEC4EC20DB76A68911C0B",
+    "047F000001910204D29802",
+    "047F000001910204D29802D203221220C3AB8FF13720E8AD9047DD39466B3C8974E592C2FA383D4A3960714CAEF0C4F2"
   ]
 
   RustFailureVectors = [
@@ -211,7 +215,9 @@ const
     "/ip4/127.0.0.1/tcp",
     "/ip4/127.0.0.1/ipfs",
     "/ip4/127.0.0.1/ipfs/tcp",
-    "/p2p-circuit/50"
+    "/p2p-circuit/50",
+    "/ip4/127.0.0.1/udp/1234/webrtc-direct/certhash/b2uaraocy6yrdblb4sfptaddgimjmmp",
+    "/ip4/127.0.0.1/udp/1234/webrtc-direct/certhash"
   ]
 
   PathVectors = [