diff --git a/src/clients/ProfitClient.ts b/src/clients/ProfitClient.ts
index e3bf23481..e5eba34b2 100644
--- a/src/clients/ProfitClient.ts
+++ b/src/clients/ProfitClient.ts
@@ -45,8 +45,9 @@ export const GAS_TOKEN_BY_CHAIN_ID: { [chainId: number]: string } = {
   // Testnets:
   5: WETH,
   280: WETH,
-  421613: WETH,
+  80001: MATIC,
   84531: WETH,
+  421613: WETH,
 };
 // TODO: Make this dynamic once we support chains with gas tokens that have different decimals.
 const GAS_TOKEN_DECIMALS = 18;
@@ -68,8 +69,9 @@ const QUERY_HANDLERS: {
   // Testnets:
   5: relayFeeCalculator.EthereumQueries,
   280: relayFeeCalculator.zkSyncGoerliQueries,
-  421613: relayFeeCalculator.ArbitrumQueries,
+  80001: relayFeeCalculator.PolygonQueries,
   84531: relayFeeCalculator.BaseGoerliQueries,
+  421613: relayFeeCalculator.ArbitrumQueries,
 };
 
 const { PriceClient } = priceClient;
diff --git a/src/common/Constants.ts b/src/common/Constants.ts
index 8492f3046..12f3e2a6b 100644
--- a/src/common/Constants.ts
+++ b/src/common/Constants.ts
@@ -4,7 +4,7 @@ import { utils } from "@across-protocol/sdk-v2";
 // Maximum supported version of the configuration loaded into the Across ConfigStore.
 // It protects bots from running outdated code against newer version of the on-chain config store.
 // @dev Incorrectly setting this value may lead to incorrect behaviour and potential loss of funds.
-export const CONFIG_STORE_VERSION = 1;
+export const CONFIG_STORE_VERSION = 2;
 
 // The first version where UBA is in effect.
 export const { UBA_MIN_CONFIG_STORE_VERSION } = utils;
@@ -61,6 +61,7 @@ export const DEFAULT_MIN_DEPOSIT_CONFIRMATIONS = {
   // Testnets:
   5: 0,
   280: 0,
+  80001: 0,
   84531: 0,
   421613: 0,
 };
@@ -76,8 +77,9 @@ export const MIN_DEPOSIT_CONFIRMATIONS: { [threshold: number | string]: { [chain
     // Testnets:
     5: 0,
     280: 0,
-    421613: 0,
+    80001: 0,
     84531: 0,
+    421613: 0,
   },
   100: {
     1: 16, // Mainnet reorgs are rarely > 4 blocks in depth so this is a very safe buffer
@@ -90,6 +92,7 @@ export const MIN_DEPOSIT_CONFIRMATIONS: { [threshold: number | string]: { [chain
     // Testnets:
     5: 0,
     280: 0,
+    80001: 0,
     84531: 0,
     421613: 0,
   },
@@ -114,6 +117,7 @@ export const CHAIN_MAX_BLOCK_LOOKBACK = {
   // Testnets:
   5: 10000,
   280: 10000,
+  80001: 10000,
   84531: 10000,
   421613: 10000,
 };
@@ -129,6 +133,7 @@ export const BUNDLE_END_BLOCK_BUFFERS = {
   // Testnets:
   5: 0,
   280: 0,
+  80001: 0,
   84531: 0,
   421613: 0,
 };
@@ -163,6 +168,7 @@ export const MAX_REORG_DISTANCE: { [chainId: number]: number } = {
   // Testnets:
   5: 0,
   280: 0,
+  80001: 0,
   84531: 0,
   421613: 0,
 };
@@ -192,6 +198,7 @@ export const multicall3Addresses = {
   288: "0xcA11bde05977b3631167028862bE2a173976CA11",
   8453: "0xcA11bde05977b3631167028862bE2a173976CA11",
   42161: "0xcA11bde05977b3631167028862bE2a173976CA11",
+  80001: "0xcA11bde05977b3631167028862bE2a173976CA11",
   84531: "0xcA11bde05977b3631167028862bE2a173976CA11",
   421613: "0xcA11bde05977b3631167028862bE2a173976CA11",
 };
diff --git a/src/finalizer/index.ts b/src/finalizer/index.ts
index c78be8a56..7b931797c 100644
--- a/src/finalizer/index.ts
+++ b/src/finalizer/index.ts
@@ -1,4 +1,5 @@
 import assert from "assert";
+import { typeguards, utils as sdkUtils } from "@across-protocol/sdk-v2";
 import { groupBy } from "lodash";
 import {
   Wallet,
@@ -28,6 +29,8 @@ import {
 } from "../common";
 import { ChainFinalizer, Withdrawal } from "./types";
 
+const { isError, isEthersError } = typeguards;
+
 config();
 let logger: winston.Logger;
 
@@ -68,12 +71,9 @@ export async function finalize(
   // input byte length.
   const multicall2 = getMultisender(hubChainId, hubSigner);
   const finalizationsToBatch: {
-    callData: Multicall2Call[];
-    withdrawals: Withdrawal[];
-  } = {
-    callData: [],
-    withdrawals: [],
-  };
+    callData: Multicall2Call;
+    withdrawal: Withdrawal;
+  }[] = [];
 
   // For each chain, delegate to a handler to look up any TokensBridged events and attempt finalization.
   for (const chainId of configuredChainIds) {
@@ -109,18 +109,41 @@ export async function finalize(
     );
     logger.debug({ at: "finalize", message: `Found ${callData.length} ${network} withdrawals for finalization.` });
 
-    finalizationsToBatch.callData.push(...callData);
-    finalizationsToBatch.withdrawals.push(...withdrawals);
+    const txns = callData.map((callData, i) => {
+      return { callData, withdrawal: withdrawals[i] };
+    });
+
+    finalizationsToBatch.push(...txns);
   }
 
-  if (finalizationsToBatch.callData.length > 0) {
+  // Ensure each transaction would succeed in isolation.
+  const finalizations = await sdkUtils.filterAsync(finalizationsToBatch, async (finalization) => {
     try {
-      // Note: We might want to slice these up in the future but I don't forsee us including enough events
-      // to approach the block gas limit.
-      const txn = await (await multicall2.aggregate(finalizationsToBatch.callData)).wait();
-      const { withdrawals = [], proofs = [] } = groupBy(finalizationsToBatch.withdrawals, ({ type }) => {
-        return type === "withdrawal" ? "withdrawals" : "proofs";
+      const { target: to, callData: data } = finalization.callData;
+      await multicall2.provider.estimateGas({ to, data });
+      return true;
+    } catch (err) {
+      const { l2ChainId, type, l1TokenSymbol, amount } = finalization.withdrawal;
+      const network = getNetworkName(l2ChainId);
+      logger.info({
+        at: "finalizer",
+        message: `Failed to estimate gas for ${network} ${amount} ${l1TokenSymbol} ${type}.`,
+        reason: isEthersError(err) ? err.reason : isError(err) ? err.message : "unknown error",
       });
+      return false;
+    }
+  });
+
+  if (finalizations.length > 0) {
+    try {
+      // Note: If the sum of finalizations approaches the gas limit, consider slicing them up.
+      const callData = finalizations.map(({ callData }) => callData);
+      const txn = await (await multicall2.aggregate(callData)).wait();
+
+      const { withdrawals = [], proofs = [] } = groupBy(
+        finalizations.map(({ withdrawal }) => withdrawal),
+        ({ type }) => (type === "withdrawal" ? "withdrawals" : "proofs")
+      );
       proofs.forEach(({ l2ChainId, amount, l1TokenSymbol: symbol }) => {
         const spokeChain = getNetworkName(l2ChainId);
         logger.info({
diff --git a/src/utils/NetworkUtils.ts b/src/utils/NetworkUtils.ts
index 109a539e0..b25f66213 100644
--- a/src/utils/NetworkUtils.ts
+++ b/src/utils/NetworkUtils.ts
@@ -1,34 +1,6 @@
-import { PublicNetworks } from "@uma/common";
+import { utils as sdkUtils } from "@across-protocol/sdk-v2";
 
-export function getNetworkName(networkId: number | string): string {
-  try {
-    const networkName = PublicNetworks[Number(networkId)].name;
-    return networkName.charAt(0).toUpperCase() + networkName.slice(1);
-  } catch (error) {
-    if (Number(networkId) == 666) {
-      return "Hardhat1";
-    }
-    if (Number(networkId) == 1337) {
-      return "Hardhat2";
-    }
-    if (Number(networkId) == 421613) {
-      return "ArbitrumGoerli";
-    }
-    if (Number(networkId) == 324) {
-      return "ZkSync";
-    }
-    if (Number(networkId) == 280) {
-      return "ZkSync-Goerli";
-    }
-    if (Number(networkId) == 8453) {
-      return "Base";
-    }
-    if (Number(networkId) == 84531) {
-      return "BaseGoerli";
-    }
-    return "unknown";
-  }
-}
+export const { getNetworkName } = sdkUtils;
 
 export function getNativeTokenSymbol(chainId: number | string): string {
   if (chainId.toString() === "137" || chainId.toString() === "80001") {
diff --git a/yarn.lock b/yarn.lock
index 77a2ccdf5..1a2055975 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7273,9 +7273,9 @@ get-caller-file@^2.0.1, get-caller-file@^2.0.5:
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
 get-func-name@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.0.tgz#ead774abee72e20409433a066366023dd6887a41"
-  integrity sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/get-func-name/-/get-func-name-2.0.2.tgz#0d7cf20cd13fda808669ffa88f4ffc7a3943fc41"
+  integrity sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==
 
 get-intrinsic@^1.0.2, get-intrinsic@^1.1.0, get-intrinsic@^1.1.1:
   version "1.1.1"