diff --git a/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt b/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt
index 061b3082..dc91087d 100644
--- a/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt
+++ b/processor/src/main/kotlin/org/ethereum/lists/chains/Main.kt
@@ -315,7 +315,7 @@ fun checkChain(chainFile: File, connectRPC: Boolean, verbose: Boolean = false) {
             }
 
             val url = explorer["url"]
-            if (url == null || url !is String || httpPrefixes.none { prefix -> url.startsWith(prefix) } ) {
+            if (url == null || url !is String || httpPrefixes.none { prefix -> url.startsWith(prefix) }) {
                 throw (ExplorerMustWithHttpsOrHttp())
             }
 
@@ -350,6 +350,23 @@ fun checkChain(chainFile: File, connectRPC: Boolean, verbose: Boolean = false) {
         }
     }
 
+    jsonObject["faucets"]?.let { faucets ->
+        if (faucets !is List<*>) {
+            throw FaucetsMustBeArray()
+        }
+
+        faucets.forEach {
+            if (it !is String) {
+                throw FaucetMustBeString()
+            }
+
+            if (it.isBlank()) {
+                throw FaucetMustBeString()
+            }
+        }
+
+    }
+
     jsonObject["redFlags"]?.let { redFlags ->
         if (redFlags !is List<*>) {
             throw RedFlagsMustBeArray()
diff --git a/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt b/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt
index 1cb507a4..997cef19 100644
--- a/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt
+++ b/processor/src/main/kotlin/org/ethereum/lists/chains/model/Exceptions.kt
@@ -25,7 +25,10 @@ class ExplorerCannotEndInSlash: Exception("Explorer cannot have a slash on the e
 class ExplorerStandardMustBeEIP3091OrNone: Exception("explorer standard must be 'none' or 'EIP3091'")
 class ParentHasInvalidType(type: String?): Exception("Parent has invalid type $type - only L2 or shard allowed")
 class RedFlagsMustBeArray: Exception("redFlags not an array")
+class FaucetsMustBeArray: Exception("faucets not an array")
 class RedFlagMustBeString: Exception("redFlag not an string")
+class FaucetMustBeString: Exception("faucet not an string")
+class FaucetCannotBeBlank: Exception("faucet cannot be blank")
 class InvalidRedFlags(flag: String): Exception("redFlags invalid $flag")
 class ParentMustBeObject: Exception("parent must be an object")
 class ParentMustHaveChainAndType: Exception("parent must have fields 'chain' and 'type'")