diff --git a/.gitignore b/.gitignore
index 81a5c88..acf69f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,4 +12,5 @@ profile.json.gz
 resolc-compiler-tests
 workdir
 
-!/schema.json
\ No newline at end of file
+!/schema.json
+!/dev-genesis.json
\ No newline at end of file
diff --git a/dev-genesis.json b/dev-genesis.json
new file mode 100644
index 0000000..106353a
--- /dev/null
+++ b/dev-genesis.json
@@ -0,0 +1,37 @@
+{
+    "config": {
+        "chainId": 420420420,
+        "homesteadBlock": 0,
+        "eip150Block": 0,
+        "eip155Block": 0,
+        "eip158Block": 0,
+        "byzantiumBlock": 0,
+        "constantinopleBlock": 0,
+        "petersburgBlock": 0,
+        "istanbulBlock": 0,
+        "berlinBlock": 0,
+        "londonBlock": 0,
+        "arrowGlacierBlock": 0,
+        "grayGlacierBlock": 0,
+        "shanghaiTime": 0,
+        "cancunTime": 0,
+        "terminalTotalDifficulty": 0,
+        "terminalTotalDifficultyPassed": true,
+        "blobSchedule": {
+            "cancun": {
+                "target": 3,
+                "max": 6,
+                "baseFeeUpdateFraction": 3338477
+            }
+        }
+    },
+    "coinbase": "0xffffffffffffffffffffffffffffffffffffffff",
+    "difficulty": "0x00",
+    "extraData": "",
+    "gasLimit": "0xffffffff",
+    "nonce": "0x0000000000000042",
+    "mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+    "timestamp": "0x00",
+    "alloc": {}
+}
\ No newline at end of file