diff --git a/ethereum_holesky/coinbase/abis/0xa55416de5de61a0ac1aa8970a280e04388b1de4b.abi.json b/ethereum_holesky/coinbase/abis/0xa55416de5de61a0ac1aa8970a280e04388b1de4b.abi.json
new file mode 100644
index 00000000..83e56dae
--- /dev/null
+++ b/ethereum_holesky/coinbase/abis/0xa55416de5de61a0ac1aa8970a280e04388b1de4b.abi.json
@@ -0,0 +1,51 @@
+[
+    {
+        "inputs": [],
+        "name": "stake",
+        "outputs": [],
+        "stateMutability": "payable",
+        "type": "function"
+    },
+    {
+        "inputs": [
+            {
+                "internalType": "uint256",
+                "name": "amount",
+                "type": "uint256"
+            }
+        ],
+        "name": "requestExit",
+        "outputs": [],
+        "stateMutability": "nonpayable",
+        "type": "function"
+    },
+    {
+        "inputs": [
+            {
+                "internalType": "address[]",
+                "name": "exitQueues",
+                "type": "address[]"
+            },
+            {
+                "internalType": "uint256[][]",
+                "name": "ticketIds",
+                "type": "uint256[][]"
+            },
+            {
+                "internalType": "uint32[][]",
+                "name": "casksIds",
+                "type": "uint32[][]"
+            }
+        ],
+        "name": "multiClaim",
+        "outputs": [
+            {
+                "internalType": "enum IvExitQueue.ClaimStatus[][]",
+                "name": "statuses",
+                "type": "uint8[][]"
+            }
+        ],
+        "stateMutability": "nonpayable",
+        "type": "function"
+    }
+]
\ No newline at end of file
diff --git a/ethereum_holesky/coinbase/b2c.json b/ethereum_holesky/coinbase/b2c.json
new file mode 100644
index 00000000..0ff8d9a8
--- /dev/null
+++ b/ethereum_holesky/coinbase/b2c.json
@@ -0,0 +1,25 @@
+{
+    "blockchainName": "ethereum_holesky",
+    "chainId": 17000,
+    "contracts": [
+        {
+            "address": "0xa55416de5de61a0ac1aa8970a280e04388b1de4b",
+            "contractName": "Coinbase Test Staked ETH",
+            "selectors": {
+                "0x3a4b66f1": {
+                    "method": "stake",
+                    "plugin": "Coinbase"
+                },
+                "0x721c6513": {
+                    "method": "requestExit",
+                    "plugin": "Coinbase"
+                },
+                "0xb7ba18c7": {
+                    "method": "multiClaim",
+                    "plugin": "Coinbase"
+                }
+            }
+        }
+    ],
+    "name": "Coinbase"
+}