diff --git a/airdrop/child.js b/airdrop/child.js
new file mode 100644
index 0000000..1187ab8
--- /dev/null
+++ b/airdrop/child.js
@@ -0,0 +1,40 @@
+const { MerkleTree } = require('merkletreejs');
+const keccak256 = require('keccak256');
+const fs = require('fs');
+const { exit } = require('process');
+
+process.on('message', (msg) => {
+    let users = [];
+    let csv = fs.readFileSync("airdrop.csv").toString().split("\n");
+    csv = csv.map((x) =>
+      x.split(",")
+    )
+    let i = 0
+    for (const r of csv.slice(1)) {
+      try{
+        users.push({address: r[1], amount: ethers.BigNumber.from(r[7])});
+      } catch {
+        console.log(i, r);
+      }
+      i++
+    }
+    
+    const elements = users.map((x) =>
+      ethers.utils.solidityKeccak256(["address", "uint256"], [x.address, x.amount])
+    );
+    
+    const merkleTree = new MerkleTree(elements, keccak256, { sort: true });
+    const root = merkleTree.getHexRoot();
+
+    console.log("Got merkle root", root)
+
+    content = ""
+    for (let i = 0; i < msg.rows.length; i++) {
+      console.log(msg.id, i, "/", msg.rows.length)
+      let row = msg.rows[i];
+      let proof = merkleTree.getHexProof(msg.leaves[i]);
+      proof = proof.join(" ")
+      content += row.join(",") + "," + proof + "\n"
+    }
+    fs.writeFileSync("airdrop_processed_" + msg.id.toString() + ".csv", content);
+});