diff --git a/apps/dapp/src/modules/auction/hooks/use-decrypt-auction.ts b/apps/dapp/src/modules/auction/hooks/use-decrypt-auction.ts
index 12050150..2a573325 100644
--- a/apps/dapp/src/modules/auction/hooks/use-decrypt-auction.ts
+++ b/apps/dapp/src/modules/auction/hooks/use-decrypt-auction.ts
@@ -4,7 +4,7 @@ import {
   useQueryClient,
 } from "@tanstack/react-query";
 import type { Auction, AuctionId, BatchAuction } from "@axis-finance/types";
-import { useEffect, useRef } from "react";
+import { useEffect } from "react";
 import {
   useSimulateContract,
   useWaitForTransactionReceipt,
@@ -19,6 +19,9 @@ import {
   optimisticUpdate,
 } from "modules/auction/utils/optimistic";
 import { cloakClient } from "utils/cloak-client";
+import { useHasPrivateKey } from "./use-has-private-key";
+
+const DECRYPT_NUM = 100; // TODO determine limit on amount per chain
 
 /** Used to manage decrypting the next set of bids */
 export const useDecryptBids = (auction: BatchAuction) => {
@@ -29,6 +32,15 @@ export const useDecryptBids = (auction: BatchAuction) => {
   const queryKey = getAuctionQueryKey(auction.id as AuctionId);
 
   const params = deriveParamsFromAuction(auction);
+
+  const { data, ...hasPKQuery } = useHasPrivateKey({
+    lotId: auction.lotId,
+    chainId: auction.chainId,
+    address: emp.address,
+  });
+
+  const isPKSubmitted = hasPKQuery.isSuccess && data;
+
   const privateKeyQuery = useQuery({
     queryKey: ["get_private_key", auction.id, auctionHouse.address, params],
     queryFn: () =>
@@ -38,13 +50,12 @@ export const useDecryptBids = (auction: BatchAuction) => {
       }),
     placeholderData: keepPreviousData,
     enabled:
-      auction.bids.length === 0 ||
-      auction.bids.length - auction.bidsRefunded.length >
-        auction.bidsDecrypted.length,
+      (auction.bids.length === 0 ||
+        auction.bids.length - auction.bidsRefunded.length >
+          auction.bidsDecrypted.length) &&
+      !isPKSubmitted,
   });
 
-  const DECRYPT_NUM = 100; // TODO determine limit on amount per chain
-
   const hintsQuery = useQuery({
     queryKey: ["hints", auction.id, auctionHouse.address, params, DECRYPT_NUM],
     queryFn: () =>
@@ -57,54 +68,87 @@ export const useDecryptBids = (auction: BatchAuction) => {
 
   const hints = hintsQuery.data as Hex[];
 
-  //Send bids to the contract for decryption
-  const { data: decryptCall, ...decryptCallQuery } = useSimulateContract({
+  //Submit private key and some bids to be decrypted
+  const { data: submitPKCall, ...submitPKCallQuery } = useSimulateContract({
     address: emp.address,
     abi: emp.abi,
     functionName: "submitPrivateKey",
     chainId: auction.chainId,
     args: [
       BigInt(auction.lotId),
-      BigInt(privateKeyQuery.data ?? 0),
+      BigInt(privateKeyQuery.data ?? 0n),
       BigInt(hints?.length ?? 0),
       hints,
     ],
-    query: { enabled: privateKeyQuery.isSuccess },
+    query: { enabled: !isPKSubmitted && privateKeyQuery.isSuccess },
+  });
+
+  const submitPk = useWriteContract();
+  const submitPkReceipt = useWaitForTransactionReceipt({ hash: submitPk.data });
+
+  //Send bids to the contract for decryption
+  const { data: decryptCall, ...decryptCallQuery } = useSimulateContract({
+    address: emp.address,
+    abi: emp.abi,
+    functionName: "decryptAndSortBids",
+    chainId: auction.chainId,
+    args: [BigInt(auction.lotId), BigInt(hints?.length ?? 0), hints],
+    query: { enabled: isPKSubmitted && privateKeyQuery.isSuccess },
   });
 
   const decrypt = useWriteContract();
   const decryptReceipt = useWaitForTransactionReceipt({ hash: decrypt.data });
 
-  const handleDecryption = () => decrypt.writeContract(decryptCall!.request);
+  const handleDecryption = () => {
+    const onSuccess = () => hintsQuery.refetch();
+    isPKSubmitted
+      ? decrypt.writeContract(decryptCall!.request, { onSuccess })
+      : submitPk.writeContract(submitPKCall!.request, { onSuccess });
+  };
 
   const queryClient = useQueryClient();
-  const decryptTxnSucceeded = useRef(false);
 
   useEffect(() => {
-    if (decryptTxnSucceeded.current || !decryptReceipt.isSuccess) {
-      return;
+    if (
+      !isPKSubmitted &&
+      submitPkReceipt.isSuccess &&
+      !hasPKQuery.isRefetching
+    ) {
+      hasPKQuery.refetch();
     }
+  }, [isPKSubmitted, submitPkReceipt.isSuccess]);
 
-    decryptTxnSucceeded.current = true;
-
-    if (!hintsQuery.isRefetching) {
-      hintsQuery.refetch();
+  useEffect(() => {
+    const totalBidsRemaining =
+      (auction.formatted?.totalBids ?? 0) -
+      (auction.formatted?.totalBidsClaimed ?? 0);
+
+    if (decryptReceipt.isSuccess || submitPkReceipt.isSuccess) {
+      /** Update bids to decrypted to show the correct progress*/
+      if ((auction.formatted?.totalBidsDecrypted ?? 0) < totalBidsRemaining) {
+        optimisticUpdate(
+          queryClient,
+          queryKey,
+          (cachedAuction: GetBatchAuctionLotQuery) =>
+            auctionCache.updateDecryptedBids(cachedAuction, DECRYPT_NUM),
+        );
+
+        return;
+      }
+      /** Optimistically update the auction status to "decrypted" */
+      optimisticUpdate(
+        queryClient,
+        queryKey,
+        (cachedAuction: GetBatchAuctionLotQuery) =>
+          auctionCache.updateStatus(cachedAuction, "decrypted"),
+      );
     }
-
-    /** Optimistically update the auction status to "decrypted" */
-    optimisticUpdate(
-      queryClient,
-      queryKey,
-      (cachedAuction: GetBatchAuctionLotQuery) =>
-        auctionCache.updateStatus(cachedAuction, "decrypted"),
-    );
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [
+    submitPkReceipt.isSuccess,
+    submitPkReceipt.isRefetching,
     decryptReceipt.isSuccess,
-    hintsQuery.isRefetching,
-    hintsQuery.refetch,
-    queryClient,
-    queryKey,
+    decryptReceipt.isRefetching,
   ]);
 
   const error = [
@@ -112,15 +156,24 @@ export const useDecryptBids = (auction: BatchAuction) => {
     decrypt,
     decryptCallQuery,
     decryptReceipt,
+    submitPKCallQuery,
+    submitPk,
+    submitPkReceipt,
   ].find((tx) => tx.isError)?.error;
 
+  const isWaiting =
+    submitPk.isPending ||
+    submitPkReceipt.isLoading ||
+    decrypt.isPending ||
+    decryptReceipt.isLoading;
+
   return {
     nextBids: privateKeyQuery,
-    decryptTx: decrypt,
-    decryptReceipt,
+    decryptTx: isPKSubmitted ? decrypt : submitPk,
+    decryptReceipt: isPKSubmitted ? decryptReceipt : submitPkReceipt,
     handleDecryption,
     error,
-    isWaiting: decrypt.isPending || decryptReceipt.isLoading,
+    isWaiting,
   };
 };
 
diff --git a/apps/dapp/src/modules/auction/hooks/use-has-private-key.ts b/apps/dapp/src/modules/auction/hooks/use-has-private-key.ts
new file mode 100644
index 00000000..0ad55b36
--- /dev/null
+++ b/apps/dapp/src/modules/auction/hooks/use-has-private-key.ts
@@ -0,0 +1,33 @@
+import { abis } from "@axis-finance/abis";
+import { Address } from "viem";
+import { useReadContract } from "wagmi";
+
+type UseHasPrivateKeyParameters = {
+  address: Address;
+  lotId: string;
+  chainId: number;
+  enabled?: boolean;
+};
+
+export function useHasPrivateKey({
+  lotId,
+  address,
+  chainId,
+  enabled,
+}: UseHasPrivateKeyParameters) {
+  const { data, ...query } = useReadContract({
+    address,
+    chainId,
+    abi: abis.encryptedMarginalPrice,
+    functionName: "auctionData",
+    args: [BigInt(lotId)],
+    query: { enabled },
+  });
+
+  const privateKey = data?.[9] !== 0n;
+
+  return {
+    data: query.isSuccess && !!privateKey,
+    ...query,
+  };
+}
diff --git a/apps/dapp/src/modules/auction/utils/optimistic/auction/index.ts b/apps/dapp/src/modules/auction/utils/optimistic/auction/index.ts
index 56dd3af7..dd857e9b 100644
--- a/apps/dapp/src/modules/auction/utils/optimistic/auction/index.ts
+++ b/apps/dapp/src/modules/auction/utils/optimistic/auction/index.ts
@@ -1,3 +1,4 @@
 export * from "./insert-bid";
 export * from "./update-status";
+export * from "./update-bids-decrypted";
 export * from "./create";
diff --git a/apps/dapp/src/modules/auction/utils/optimistic/auction/update-bids-decrypted.ts b/apps/dapp/src/modules/auction/utils/optimistic/auction/update-bids-decrypted.ts
new file mode 100644
index 00000000..af4bc383
--- /dev/null
+++ b/apps/dapp/src/modules/auction/utils/optimistic/auction/update-bids-decrypted.ts
@@ -0,0 +1,27 @@
+import type { GetBatchAuctionLotQuery } from "@axis-finance/subgraph-client";
+
+const updateDecryptedBids = (
+  cachedAuction: GetBatchAuctionLotQuery,
+  numOfBids: number,
+): GetBatchAuctionLotQuery => {
+  const bids = Array.from(cachedAuction.batchAuctionLot?.bids ?? []);
+  let updateCount = 0;
+
+  for (let i = 0; i < bids.length && updateCount < numOfBids; i++) {
+    if (bids[i].status === "decrypted") {
+      continue;
+    }
+    bids[i].status = "decrypted";
+    updateCount++;
+  }
+
+  return {
+    ...cachedAuction,
+    batchAuctionLot: {
+      ...cachedAuction.batchAuctionLot!,
+      bids,
+    },
+  } satisfies GetBatchAuctionLotQuery;
+};
+
+export { updateDecryptedBids };