diff --git a/server/bin_dev/web3bcspider/config/nets/42161/assets/contracts b/server/bin_dev/web3bcspider/config/nets/42161/assets/contracts
new file mode 120000
index 0000000..20edb02
--- /dev/null
+++ b/server/bin_dev/web3bcspider/config/nets/42161/assets/contracts
@@ -0,0 +1 @@
+../../../../../../../third_party/contracts-imtbl/build/contracts
\ No newline at end of file
diff --git a/server/bin_dev/web3bcspider/config/nets/42161/contract.json b/server/bin_dev/web3bcspider/config/nets/42161/contract.json
new file mode 120000
index 0000000..c59cfe8
--- /dev/null
+++ b/server/bin_dev/web3bcspider/config/nets/42161/contract.json
@@ -0,0 +1 @@
+../../../../../../third_party/contracts-imtbl/out/arb_sepolia_dev.json
\ No newline at end of file
diff --git a/server/bin_dev/web3bcspider/config/nets/42161/web3.json b/server/bin_dev/web3bcspider/config/nets/42161/web3.json
new file mode 100644
index 0000000..d7880a2
--- /dev/null
+++ b/server/bin_dev/web3bcspider/config/nets/42161/web3.json
@@ -0,0 +1,5 @@
+{
+  "user_address": "0x50A8e60041A206AcaA5F844a1104896224be6F39",
+  "private_key": "0xd9ed33809372932059c1ba7b336a33f406b4c55e7430daef8297134c67429d60",
+  "block_server": "https://arbitrum.llamarpc.com"
+}