diff --git a/chains/chains.json b/chains/chains.json
index 5ebf8ed..8b29616 100644
--- a/chains/chains.json
+++ b/chains/chains.json
@@ -54,7 +54,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
@@ -133,7 +134,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
@@ -180,7 +182,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
diff --git a/chains/v22/chains.json b/chains/v22/chains.json
index 5ebf8ed..8b29616 100644
--- a/chains/v22/chains.json
+++ b/chains/v22/chains.json
@@ -54,7 +54,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
@@ -133,7 +134,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
@@ -180,7 +182,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
diff --git a/pezkuwi-overlay/chains/pezkuwi-chains.json b/pezkuwi-overlay/chains/pezkuwi-chains.json
index 27aee09..002858c 100644
--- a/pezkuwi-overlay/chains/pezkuwi-chains.json
+++ b/pezkuwi-overlay/chains/pezkuwi-chains.json
@@ -54,7 +54,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
@@ -133,7 +134,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   },
   {
@@ -180,7 +182,8 @@
     "types": null,
     "additional": {
       "themeColor": "#009639",
-      "defaultBlockTimeMillis": 6000
+      "defaultBlockTimeMillis": 6000,
+      "disabledCheckMetadataHash": true
     }
   }
 ]
\ No newline at end of file