diff --git a/packages/core/src/lib/utils.spec.ts b/packages/core/src/lib/utils.spec.ts
index 85efebea..9d2df311 100644
--- a/packages/core/src/lib/utils.spec.ts
+++ b/packages/core/src/lib/utils.spec.ts
@@ -1130,6 +1130,13 @@ describe('Helpers Utils Namespace', () => {
           precision: 10,
         });
         expect(result5).toBe('1.5');
+
+        // Large values should not lose precision through JS number conversion
+        const result6 = PushChain.utils.helpers.formatUnits(
+          '123456789012345678901234567890',
+          { decimals: 18, precision: 6 }
+        );
+        expect(result6).toBe('123456789012.345678');
       });
 
       it('should handle edge cases with precision', () => {
diff --git a/packages/core/src/lib/utils.ts b/packages/core/src/lib/utils.ts
index 81123c84..a65e3c5f 100644
--- a/packages/core/src/lib/utils.ts
+++ b/packages/core/src/lib/utils.ts
@@ -538,12 +538,20 @@ export class Utils {
           formatted = formatted + '.0';
         }
 
-        // Apply precision if specified
+        // Apply precision if specified without converting through JS number,
+        // which would lose precision for large token values.
         if (precision !== undefined) {
-          const num = parseFloat(formatted);
-          const factor = Math.pow(10, precision);
-          const truncated = Math.floor(num * factor) / factor;
-          return truncated.toString();
+          if (precision === 0) {
+            return formatted.split('.')[0];
+          }
+
+          const [integerPart, fractionalPart = ''] = formatted.split('.');
+          const truncatedFraction = fractionalPart.slice(0, precision);
+          if (!truncatedFraction) {
+            return integerPart;
+          }
+
+          return `${integerPart}.${truncatedFraction.replace(/0+$/, '')}`;
         }
 
         return formatted;