diff --git a/packages/backend/src/partner/partner.service.ts b/packages/backend/src/partner/partner.service.ts
index b81970f..4692fe6 100644
--- a/packages/backend/src/partner/partner.service.ts
+++ b/packages/backend/src/partner/partner.service.ts
@@ -3,12 +3,16 @@ import { PrismaService } from '@/database/prisma.service';
 import { AccountReportDto } from './dto/account-report.dto';
 import { getChainById } from '@polypay/shared';
 
+const BASE_CHAIN_IDS = [8453, 84532];
+
 @Injectable()
 export class PartnerService {
   constructor(private readonly prisma: PrismaService) {}
 
   async generateAccountReport(dto: AccountReportDto): Promise<string> {
-    const where: Record<string, unknown> = {};
+    const where: Record<string, unknown> = {
+      chainId: { notIn: BASE_CHAIN_IDS },
+    };
 
     if (dto.startDate || dto.endDate) {
       where.createdAt = {};
@@ -26,38 +30,70 @@ export class PartnerService {
 
     const accounts = await this.prisma.account.findMany({
       where,
-      select: { address: true, createdAt: true, chainId: true },
+      include: {
+        signers: {
+          include: { user: true },
+          orderBy: { createdAt: 'asc' },
+        },
+      },
       orderBy: { createdAt: 'desc' },
     });
 
-    return this.generateCSV(accounts, dto.includeChainId);
+    // Get creator (or first signer as fallback) commitment for each account
+    const commitments = accounts
+      .map((a) => {
+        const creator = a.signers.find((s) => s.isCreator);
+        return (creator || a.signers[0])?.user.commitment;
+      })
+      .filter((c): c is string => !!c);
+    const addressMap = await this.buildCommitmentToAddressMap(commitments);
+
+    return this.generateCSV(accounts, addressMap, dto.includeChainId);
   }
 
-  private getExplorerAddressUrl(chainId: number, address: string): string {
-    try {
-      const chain = getChainById(chainId);
-      return `${chain.blockExplorers!.default.url}/address/${address}`;
-    } catch {
-      return address;
-    }
+  private async buildCommitmentToAddressMap(
+    commitments: string[],
+  ): Promise<Map<string, string>> {
+    if (commitments.length === 0) return new Map();
+
+    const uniqueCommitments = [...new Set(commitments)];
+    const loginHistories = await this.prisma.loginHistory.findMany({
+      where: { commitment: { in: uniqueCommitments } },
+      orderBy: { createdAt: 'desc' },
+      distinct: ['commitment'],
+    });
+
+    return new Map(
+      loginHistories.map((lh) => [lh.commitment, lh.walletAddress]),
+    );
   }
 
   private generateCSV(
-    accounts: { address: string; createdAt: Date; chainId: number }[],
+    accounts: {
+      address: string;
+      createdAt: Date;
+      chainId: number;
+      signers: {
+        isCreator: boolean;
+        user: { commitment: string };
+      }[];
+    }[],
+    addressMap: Map<string, string>,
     includeChainId?: boolean,
   ): string {
     const totalLine = [`Total Accounts,${accounts.length}`, ''];
 
     const header = includeChainId
-      ? 'Address,Explorer Address,Created At,Chain ID,Chain Name'
-      : 'Address,Explorer Address,Created At';
+      ? 'Multisig Account Address,EOA,Created At,Chain ID,Chain Name'
+      : 'Multisig Account Address,EOA,Created At';
 
     const rows = accounts.map((account) => {
-      const addressLink = this.getExplorerAddressUrl(
-        account.chainId,
-        account.address,
-      );
-      const base = `${account.address},${addressLink},${account.createdAt.toISOString()}`;
+      const creator = account.signers.find((s) => s.isCreator);
+      const commitment = (creator || account.signers[0])?.user.commitment;
+      const eoaWallet = commitment
+        ? addressMap.get(commitment) || 'UNKNOWN'
+        : 'UNKNOWN';
+      const base = `${account.address},${eoaWallet},${account.createdAt.toISOString()}`;
       if (includeChainId) {
         let chainName: string;
         try {