diff --git a/chains/mainnet/source.json b/chains/mainnet/source.json
index 75c8b91..d2f16e8 100644
--- a/chains/mainnet/source.json
+++ b/chains/mainnet/source.json
@@ -3,13 +3,17 @@
     "coingecko": "source-protocol",
     "api": [
         {"provider": "NodeStake", "address": "https://api.source.nodestake.top"},
+        {"provider": "KJNodes", "address": "https://source.api.kjnodes.com"},
+        {"provider": "TCNetwork", "address": "https://rest.source.tcnetwork.io"},
         {"provider": "MoonBridge", "address": "https://source.api.moonbridge.team"},
         {"provider": "Nodeist", "address": "https://api-source.nodeist.net"},
         {"provider": "ITRocket", "address": "https://source-mainnet-api.itrocket.net:443"},
         {"provider": "StakeTown", "address": "https://source-api.stake-town.com:443"}
     ],
     "rpc": [
-        {"provider": "NodeStake", "address": "https://rpc.source.nodestake.top"}, 
+        {"provider": "NodeStake", "address": "https://rpc.source.nodestake.top"},
+        {"provider": "KJNodes", "address": "https://source.rpc.kjnodes.com"},
+        {"provider": "TCNetwork", "address": "https://rpc.source.tcnetwork.io"}, 
         {"provider": "MoonBridge", "address": "https://source.rpc.moonbridge.team"}, 
         {"provider": "Nodeist", "address": "https://rpc-source.nodeist.net"}, 
         {"provider": "ITRocket", "address": "https://source-mainnet-rpc.itrocket.net:443"}, 
@@ -18,14 +22,14 @@
     "snapshot_provider": "",
     "sdk_version": "0.45.15",
     "coin_type": "118",
-    "min_tx_fee": "3000",
+    "min_tx_fee": "50000",
     "addr_prefix": "source",
     "logo": "/logos/source.png",
     "assets": [{
         "base": "usource",
         "symbol": "SOURCE",
         "exponent": "6",
-        "coingecko_id": "source-protocol", 
+        "coingecko_id": "source", 
         "logo": "/logos/source.png"
     }]
 }