diff --git a/truffle-config.js b/truffle-config.js
index 633b24d..46f2a9e 100755
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -77,9 +77,14 @@ module.exports = {
   },
 
   api_keys: {
+    etherscan: process.env.ETHERSCAN_API_KEY,
+    arbiscan: process.env.ARBISCAN_API_KEY,
     lineascan: LINEASCAN_API_KEY,
     basescan: BASESCAN_API_KEY,
+    polygonscan: process.env.POLYGONSCAN_API_KEY,
+    snowtrace: process.env.SNOWTRACE_API_KEY,
     scroll: "fakekey",
+    calderaexplorer:"fakekey",
   },
 
   networks: {