diff --git a/.env.example b/.env.example
index 29ca43c32..73edc3aa1 100644
--- a/.env.example
+++ b/.env.example
@@ -95,6 +95,18 @@ ZKEVM_ETHERSCAN_URL=https://api-zkevm.polygonscan.com/api
 ZKEVM_ETHERSCAN_KEY=PasteYourOwnKeyPlease
 
 # TESTNET CHAINS
+# Arbitrum Sepolia
+ARB_SEPOLIA_API=https://arbitrum-sepolia.blockpi.network/v1/rpc/public
+ARB_SEPOLIA_ETHERSCAN_URL=https://api-sepolia.arbiscan.io/api
+ARB_SEPOLIA_ETHERSCAN_KEY=YourArbiScanKey
+# Base Sepolia
+BASE_SEPOLIA_API=https://base-sepolia.blockpi.network/v1/rpc/public
+BASE_SEPOLIA_ETHERSCAN_URL=https://api-sepolia.basescan.org/api
+BASE_SEPOLIA_ETHERSCAN_KEY=YourBaseScanKey
+# BNB Testnet
+BNB_TESTNET_API=https://bsc-testnet.blockpi.network/v1/rpc/public
+BNB_TESTNET_ETHERSCAN_URL=https://api-testnet.bscscan.com/api
+BNB_TESTNET_ETHERSCAN_KEY=YourBscScanKey
 # Ethereum Sepolia
 ETH_SEPOLIA_API=https://rpc.sepolia.org
 ETH_SEPOLIA_ETHERSCAN_URL=https://api-sepolia.etherscan.io/api
@@ -103,3 +115,7 @@ ETH_SEPOLIA_ETHERSCAN_KEY=YourEtherScanKey
 OP_SEPOLIA_API=https://optimism-sepolia.blockpi.network/v1/rpc/public
 OP_SEPOLIA_ETHERSCAN_URL=https://api-sepolia-optimistic.etherscan.io/api
 OP_SEPOLIA_ETHERSCAN_KEY=YourOptimismEtherScanKey
+# Scroll Sepolia
+SCROLL_SEPOLIA_API=https://scroll-sepolia.blockpi.network/v1/rpc/public
+SCROLL_SEPOLIA_ETHERSCAN_URL=https://api-sepolia.scrollscan.com/api
+SCROLL_SEPOLIA_ETHERSCAN_KEY=YourScrollScanKey
diff --git a/deployments/arb_sepolia/.chainId b/deployments/arb_sepolia/.chainId
new file mode 100644
index 000000000..71ba4d632
--- /dev/null
+++ b/deployments/arb_sepolia/.chainId
@@ -0,0 +1 @@
+421614
\ No newline at end of file
diff --git a/deployments/arb_sepolia/Create2Factory.json b/deployments/arb_sepolia/Create2Factory.json
new file mode 100644
index 000000000..66ac39a50
--- /dev/null
+++ b/deployments/arb_sepolia/Create2Factory.json
@@ -0,0 +1,4 @@
+{
+  "address": "0xa6190aBC82427800935E0598892f7488a7F73A04",
+  "constructorArgs": "0x"
+}
\ No newline at end of file
diff --git a/deployments/base_sepolia/.chainId b/deployments/base_sepolia/.chainId
new file mode 100644
index 000000000..667f99daf
--- /dev/null
+++ b/deployments/base_sepolia/.chainId
@@ -0,0 +1 @@
+84532
\ No newline at end of file
diff --git a/deployments/base_sepolia/Create2Factory.json b/deployments/base_sepolia/Create2Factory.json
new file mode 100644
index 000000000..66ac39a50
--- /dev/null
+++ b/deployments/base_sepolia/Create2Factory.json
@@ -0,0 +1,4 @@
+{
+  "address": "0xa6190aBC82427800935E0598892f7488a7F73A04",
+  "constructorArgs": "0x"
+}
\ No newline at end of file
diff --git a/deployments/bnb_testnet/.chainId b/deployments/bnb_testnet/.chainId
new file mode 100644
index 000000000..c4fbb1cfa
--- /dev/null
+++ b/deployments/bnb_testnet/.chainId
@@ -0,0 +1 @@
+97
\ No newline at end of file
diff --git a/deployments/bnb_testnet/Create2Factory.json b/deployments/bnb_testnet/Create2Factory.json
new file mode 100644
index 000000000..66ac39a50
--- /dev/null
+++ b/deployments/bnb_testnet/Create2Factory.json
@@ -0,0 +1,4 @@
+{
+  "address": "0xa6190aBC82427800935E0598892f7488a7F73A04",
+  "constructorArgs": "0x"
+}
\ No newline at end of file
diff --git a/deployments/eth_sepolia/Create2Factory.json b/deployments/eth_sepolia/Create2Factory.json
new file mode 100644
index 000000000..66ac39a50
--- /dev/null
+++ b/deployments/eth_sepolia/Create2Factory.json
@@ -0,0 +1,4 @@
+{
+  "address": "0xa6190aBC82427800935E0598892f7488a7F73A04",
+  "constructorArgs": "0x"
+}
\ No newline at end of file
diff --git a/deployments/op_sepolia/Create2Factory.json b/deployments/op_sepolia/Create2Factory.json
new file mode 100644
index 000000000..66ac39a50
--- /dev/null
+++ b/deployments/op_sepolia/Create2Factory.json
@@ -0,0 +1,4 @@
+{
+  "address": "0xa6190aBC82427800935E0598892f7488a7F73A04",
+  "constructorArgs": "0x"
+}
\ No newline at end of file
diff --git a/deployments/scroll_sepolia/.chainId b/deployments/scroll_sepolia/.chainId
new file mode 100644
index 000000000..b4c1846d0
--- /dev/null
+++ b/deployments/scroll_sepolia/.chainId
@@ -0,0 +1 @@
+534351
\ No newline at end of file
diff --git a/deployments/scroll_sepolia/Create2Factory.json b/deployments/scroll_sepolia/Create2Factory.json
new file mode 100644
index 000000000..66ac39a50
--- /dev/null
+++ b/deployments/scroll_sepolia/Create2Factory.json
@@ -0,0 +1,4 @@
+{
+  "address": "0xa6190aBC82427800935E0598892f7488a7F73A04",
+  "constructorArgs": "0x"
+}
\ No newline at end of file
diff --git a/foundry.toml b/foundry.toml
index 4819570aa..ccb98dcc3 100644
--- a/foundry.toml
+++ b/foundry.toml
@@ -42,8 +42,11 @@ optimism = "${OPTIMISM_API}"
 polygon = "${POLYGON_API}"
 zkevm = "${ZKEVM_API}"
 # Testnets
+arb_sepolia = "${ARB_SEPOLIA_API}"
+base_sepolia = "${BASE_SEPOLIA_API}"
 eth_sepolia = "${ETH_SEPOLIA_API}"
 op_sepolia = "${OP_SEPOLIA_API}"
+scroll_sepolia = "${SCROLL_SEPOLIA_API}"
 
 [etherscan]
 arbitrum = { key = "${ARBITRUM_ETHERSCAN_KEY}", url = "${ARBITRUM_ETHERSCAN_URL}" }
@@ -69,5 +72,8 @@ optimism = { key = "${OPTIMISM_ETHERSCAN_KEY}", url = "${OPTIMISM_ETHERSCAN_URL}
 polygon = { key = "${POLYGON_ETHERSCAN_KEY}", url = "${POLYGON_ETHERSCAN_URL}" }
 zkevm = { key = "${ZKEVM_ETHERSCAN_KEY}", url = "${ZKEVM_ETHERSCAN_URL}" }
 # Testnets
+arb_sepolia = { key = "${ARB_SEPOLIA_ETHERSCAN_KEY}", url = "${ARB_SEPOLIA_ETHERSCAN_URL}" }
+base_sepolia = { key = "${BASE_SEPOLIA_ETHERSCAN_KEY}", url = "${BASE_SEPOLIA_ETHERSCAN_URL}" }
 eth_sepolia = { key = "${ETH_SEPOLIA_ETHERSCAN_KEY}", url = "${ETH_SEPOLIA_ETHERSCAN_URL}" }
 op_sepolia = { key = "${OP_SEPOLIA_ETHERSCAN_KEY}", url = "${OP_SEPOLIA_ETHERSCAN_URL}" }
+scroll_sepolia = { key = "${SCROLL_SEPOLIA_ETHERSCAN_KEY}", url = "${SCROLL_SEPOLIA_ETHERSCAN_URL}" }
diff --git a/script/chain-id.sh b/script/chain-id.sh
new file mode 100755
index 000000000..01ac5422a
--- /dev/null
+++ b/script/chain-id.sh
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# This script fetches the cahin ID using cast and saves it to deployments/<chainName>/.chainId
+# Usage: ./script/chain-id.sh <chainName>
+
+# Colors
+RED="\033[0;31m"
+NC="\033[0m" # No Color
+
+chainName=$1
+# Check that chainName is passed
+if [ -z "$chainName" ]; then
+    echo -e "${RED}Usage: ./script/chain-id.sh <chainName>${NC}"
+    exit 1
+fi
+
+# Fetch the RPC URL for the chain from .env
+source .env
+chainRpcEnv=${chainName^^}_API
+chainRpc=${!chainRpcEnv}
+
+# Create the deployments/<chainName> directory if it doesn't exist
+mkdir -p "deployments/$chainName"
+chainId=$(cast chain-id -r "$chainRpc")
+# Print chainId without a newline
+echo -n "$chainId" >"deployments/$chainName/.chainId"