diff --git a/beacon_chain/beacon_node.nim b/beacon_chain/beacon_node.nim
index 656d4a76e..bb1083665 100644
--- a/beacon_chain/beacon_node.nim
+++ b/beacon_chain/beacon_node.nim
@@ -99,8 +99,8 @@ proc init*(T: type BeaconNode, conf: BeaconNodeConf): Future[BeaconNode] {.async
   else:
     try:
       result.networkMetadata = Json.loadFile(conf.network, NetworkMetadata)
-    except:
-      fail "Failed to load network metadata: ", getCurrentExceptionMsg()
+    except SerializationError as err:
+      fail "Failed to load network metadata: \n", err.formatMsg(conf.network)
 
   var metadataErrorMsg = ""
 
diff --git a/beacon_chain/eth2_network.nim b/beacon_chain/eth2_network.nim
index 5c9bf03b3..44f2b1199 100644
--- a/beacon_chain/eth2_network.nim
+++ b/beacon_chain/eth2_network.nim
@@ -144,18 +144,6 @@ else:
   const
     networkKeyFilename = "privkey.protobuf"
 
-  proc writeValue*(writer: var JsonWriter, value: PeerID) {.inline.} =
-    writer.writeValue value.pretty
-
-  proc readValue*(reader: var JsonReader, value: var PeerID) {.inline.} =
-    value = PeerID.init reader.readValue(string)
-
-  proc writeValue*(writer: var JsonWriter, value: MultiAddress) {.inline.} =
-    writer.writeValue $value
-
-  proc readValue*(reader: var JsonReader, value: var MultiAddress) {.inline.} =
-    value = MultiAddress.init reader.readValue(string)
-
   proc init*(T: type BootstrapAddr, str: string): T =
     Json.decode(str, PeerInfo)
 
diff --git a/beacon_chain/libp2p_backend.nim b/beacon_chain/libp2p_backend.nim
index 78a8eb0ef..436e6e715 100644
--- a/beacon_chain/libp2p_backend.nim
+++ b/beacon_chain/libp2p_backend.nim
@@ -1,12 +1,12 @@
 import
-  options, macros, algorithm, tables,
+  macros, algorithm, tables,
   std_shims/[macros_shim, tables_shims], chronos, chronicles,
   libp2p/daemon/daemonapi, faststreams/output_stream, serialization,
-  eth/p2p/p2p_protocol_dsl,
-  ssz
+  json_serialization/std/options, eth/p2p/p2p_protocol_dsl,
+  libp2p_json_serialization, ssz
 
 export
-  daemonapi, p2pProtocol
+  daemonapi, p2pProtocol, libp2p_json_serialization
 
 type
   Eth2Node* = ref object of RootObj
@@ -506,7 +506,7 @@ proc p2pProtocolBackendImpl*(p: P2PProtocol): Backend =
           try:
             debug "INCOMING CONNECTION", `peerVar`
             `await` `handshakeProcName`(`peerVar`, `streamVar`)
-            debug "HANSHAKE COMPLETED", `peerVar`
+            debug "HANDSHAKE COMPLETED", `peerVar`
           except SerializationError as err:
             debug "Failed to decode message",
                   err = err.formatMsg("<msg>"),
diff --git a/beacon_chain/libp2p_json_serialization.nim b/beacon_chain/libp2p_json_serialization.nim
new file mode 100644
index 000000000..181f84f6f
--- /dev/null
+++ b/beacon_chain/libp2p_json_serialization.nim
@@ -0,0 +1,15 @@
+import libp2p/daemon/daemonapi, json_serialization
+export json_serialization
+
+proc writeValue*(writer: var JsonWriter, value: PeerID) {.inline.} =
+  writer.writeValue value.pretty
+
+proc readValue*(reader: var JsonReader, value: var PeerID) {.inline.} =
+  value = PeerID.init reader.readValue(string)
+
+proc writeValue*(writer: var JsonWriter, value: MultiAddress) {.inline.} =
+  writer.writeValue $value
+
+proc readValue*(reader: var JsonReader, value: var MultiAddress) {.inline.} =
+  value = MultiAddress.init reader.readValue(string)
+
diff --git a/beacon_chain/libp2p_spec_backend.nim b/beacon_chain/libp2p_spec_backend.nim
index 98084114e..548864f46 100644
--- a/beacon_chain/libp2p_spec_backend.nim
+++ b/beacon_chain/libp2p_spec_backend.nim
@@ -2,10 +2,10 @@ import
   tables, deques, options, algorithm, std_shims/[macros_shim, tables_shims],
   ranges/ptr_arith, chronos, chronicles, serialization, faststreams/input_stream,
   eth/async_utils, eth/p2p/p2p_protocol_dsl, libp2p/daemon/daemonapi,
-  ssz
+  libp2p_json_serialization, ssz
 
 export
-  daemonapi, p2pProtocol, serialization, ssz
+  daemonapi, p2pProtocol, serialization, ssz, libp2p_json_serialization
 
 const
   # Compression nibble
diff --git a/tests/test_ssz.nim b/tests/test_ssz.nim
index 7bd0f7463..b5d8b7369 100644
--- a/tests/test_ssz.nim
+++ b/tests/test_ssz.nim
@@ -71,12 +71,12 @@ suite "Simple serialization":
       ser.len() == 3
       SSZ.decode(ser, v.type) == v
 
-  SSZ.roundripTest [1, 2, 3]
-  SSZ.roundripTest @[1, 2, 3]
-  SSZ.roundripTest SigKey.random().getKey()
-  SSZ.roundripTest BeaconBlock(
+  SSZ.roundtripTest [1, 2, 3]
+  SSZ.roundtripTest @[1, 2, 3]
+  SSZ.roundtripTest SigKey.random().getKey()
+  SSZ.roundtripTest BeaconBlock(
     slot: 42.Slot, signature: sign(SigKey.random(), 0'u64, ""))
-  SSZ.roundripTest BeaconState(slot: 42.Slot)
+  SSZ.roundtripTest BeaconState(slot: 42.Slot)
 
 # suite "Tree hashing":
 #   # TODO The test values are taken from an earlier version of SSZ and have