diff --git a/packages/checkout/widgets-lib/src/widgets/sale/functions/sortAndDeduplicateCurrencies.test.ts b/packages/checkout/widgets-lib/src/widgets/sale/functions/sortAndDeduplicateCurrencies.test.ts
index b24dd109fb..6a8275db54 100644
--- a/packages/checkout/widgets-lib/src/widgets/sale/functions/sortAndDeduplicateCurrencies.test.ts
+++ b/packages/checkout/widgets-lib/src/widgets/sale/functions/sortAndDeduplicateCurrencies.test.ts
@@ -2,7 +2,7 @@ import { SaleWidgetCurrency, SaleWidgetCurrencyType } from '../types';
 import { sortAndDeduplicateCurrencies } from './sortAndDeduplicateCurrencies';
 
 describe('sortAndDeduplicateCurrencies', () => {
-  it('should remove duplicates and sort currencies by: base -> settlement -> swappable', () => {
+  it('should remove duplicates and sort currencies based on priority: base -> settlement -> swappable', () => {
     const allCurrencies: SaleWidgetCurrency[] = [
       {
         name: 'Monopoly',
@@ -190,6 +190,206 @@ describe('sortAndDeduplicateCurrencies', () => {
       },
     ];
 
+    expect(sortAndDeduplicateCurrencies(allCurrencies)).toStrictEqual(
+      transformedCurrencies,
+    );
+  });
+  it('should put the first found "base: true" currency in the first index of the sorted array', () => {
+    const allCurrencies: SaleWidgetCurrency[] = [
+      {
+        name: 'Monopoly',
+        symbol: 'MPLY',
+        address: '0x5fc1aBC911386e2A9FEfc874ab15E20A3434D2B9',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        base: true,
+        decimals: 18,
+        name: 'GOG',
+        address: '0xb8ee289c64c1a0dc0311364721ada8c3180d838c',
+        exchangeId: 'guild-of-guardians',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        base: false,
+        decimals: 18,
+        name: 'ETH',
+        address: '0xe9e96d1aad82562b7588f03f49ad34186f996478',
+        exchangeId: 'ethereum',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        name: 'Immutable Token',
+        symbol: 'IMX',
+        address: 'native',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'Wrapped IMX',
+        symbol: 'WIMX',
+        address: '0x1CcCa691501174B4A623CeDA58cC8f1a76dc3439',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkTDR',
+        symbol: 'zkTDR',
+        address: '0x6531F7B9158d78Ca78b46799c4Fd65C2Af8Ae506',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        address: '0xB8EE289C64C1A0DC0311364721aDA8c3180D838C',
+        name: 'GOG',
+        symbol: 'GOG',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkSRE',
+        symbol: 'zkSRE',
+        address: '0x43566cAB87CC147C95e2895E7b972E19993520e4',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkPSP',
+        symbol: 'zkPSP',
+        address: '0x88B35dF96CbEDF2946586147557F7D5D0CCE7e5c',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkWLT',
+        symbol: 'zkWLT',
+        address: '0x8A5b0470ee48248bEb7D1E745c1EbA0DCA77215e',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkSRE',
+        symbol: 'zkSRE',
+        address: '0x43566cAB87CC147C95e2895E7b972E19993520e4',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        base: true,
+        decimals: 6,
+        name: 'USDC',
+        address: '0x3b2d8a1931736fc321c24864bceee981b11c3c57',
+        exchangeId: 'usd-coin',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        name: 'zkCORE',
+        symbol: 'zkCORE',
+        address: '0x4B96E7b7eA673A996F140d5De411a97b7eab934E',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        base: true,
+        decimals: 6,
+        name: 'USDC',
+        address: '0x3b2d8a1931736fc321c24864bceee981b11c3c57',
+        exchangeId: 'usd-coin',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        name: 'USDC',
+        symbol: 'USDC',
+        address: '0x3B2d8A1931736Fc321C24864BceEe981B11c3c57',
+        decimals: 6,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+    ];
+
+    const transformedCurrencies: SaleWidgetCurrency[] = [
+      {
+        base: true,
+        decimals: 18,
+        name: 'GOG',
+        address: '0xb8ee289c64c1a0dc0311364721ada8c3180d838c',
+        exchangeId: 'guild-of-guardians',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        base: false,
+        decimals: 18,
+        name: 'ETH',
+        address: '0xe9e96d1aad82562b7588f03f49ad34186f996478',
+        exchangeId: 'ethereum',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        base: true,
+        decimals: 6,
+        name: 'USDC',
+        address: '0x3b2d8a1931736fc321c24864bceee981b11c3c57',
+        exchangeId: 'usd-coin',
+        currencyType: SaleWidgetCurrencyType.SETTLEMENT,
+      },
+      {
+        name: 'Monopoly',
+        symbol: 'MPLY',
+        address: '0x5fc1aBC911386e2A9FEfc874ab15E20A3434D2B9',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'Immutable Token',
+        symbol: 'IMX',
+        address: 'native',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'Wrapped IMX',
+        symbol: 'WIMX',
+        address: '0x1CcCa691501174B4A623CeDA58cC8f1a76dc3439',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkTDR',
+        symbol: 'zkTDR',
+        address: '0x6531F7B9158d78Ca78b46799c4Fd65C2Af8Ae506',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkSRE',
+        symbol: 'zkSRE',
+        address: '0x43566cAB87CC147C95e2895E7b972E19993520e4',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkPSP',
+        symbol: 'zkPSP',
+        address: '0x88B35dF96CbEDF2946586147557F7D5D0CCE7e5c',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkWLT',
+        symbol: 'zkWLT',
+        address: '0x8A5b0470ee48248bEb7D1E745c1EbA0DCA77215e',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+      {
+        name: 'zkCORE',
+        symbol: 'zkCORE',
+        address: '0x4B96E7b7eA673A996F140d5De411a97b7eab934E',
+        decimals: 18,
+        currencyType: SaleWidgetCurrencyType.SWAPPABLE,
+      },
+    ];
+
     expect(sortAndDeduplicateCurrencies(allCurrencies)).toStrictEqual(
       transformedCurrencies,
     );