diff --git a/package.json b/package.json
index b61210f..7d8f0f2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@btc-vision/btc-runtime",
-    "version": "1.3.18",
+    "version": "1.3.19",
     "description": "Bitcoin Smart Contract Runtime",
     "main": "btc/index.ts",
     "scripts": {
diff --git a/runtime/index.ts b/runtime/index.ts
index 3f011fc..5d89823 100644
--- a/runtime/index.ts
+++ b/runtime/index.ts
@@ -62,22 +62,26 @@ export * from './memory/Uint8ArrayMerger';
 /** Storage */
 export * from './storage/StoredU256';
 export * from './storage/StoredU64';
-export * from './storage/StoredU16Array';
-export * from './storage/StoredU32Array';
-export * from './storage/StoredBooleanArray';
-export * from './storage/StoredU128Array';
-export * from './storage/StoredU256Array';
 export * from './storage/StoredString';
 export * from './storage/StoredAddress';
 export * from './storage/StoredBoolean';
 export * from './storage/Serializable';
-export * from './storage/StoredAddressArray';
 
-export * from './storage/StorageBacked';
-export * from './storage/StorageSlot';
-export * from './storage/StorageStruct';
-export * from './storage/StorageLayout';
-export * from './storage/StorageValue';
+/** Arrays */
+export * from './storage/arrays/StoredAddressArray';
+export * from './storage/arrays/StoredU8Array';
+export * from './storage/arrays/StoredU16Array';
+export * from './storage/arrays/StoredU32Array';
+export * from './storage/arrays/StoredBooleanArray';
+export * from './storage/arrays/StoredU128Array';
+export * from './storage/arrays/StoredU256Array';
+
+/** Storage Utils */
+export * from './storage/utils/StorageBacked';
+export * from './storage/utils/StorageSlot';
+export * from './storage/utils/StorageStruct';
+export * from './storage/utils/StorageLayout';
+export * from './storage/utils/StorageValue';
 
 /** Shared libraries */
 export * from './shared-libraries/TransferHelper';
diff --git a/runtime/storage/StoredAddressArray.ts b/runtime/storage/arrays/StoredAddressArray.ts
similarity index 97%
rename from runtime/storage/StoredAddressArray.ts
rename to runtime/storage/arrays/StoredAddressArray.ts
index 6500cb9..5c8716c 100644
--- a/runtime/storage/StoredAddressArray.ts
+++ b/runtime/storage/arrays/StoredAddressArray.ts
@@ -1,9 +1,9 @@
 import { u256 } from '@btc-vision/as-bignum/assembly';
-import { BytesWriter } from '../buffer/BytesWriter';
-import { Blockchain } from '../env';
-import { Address } from '../types/Address';
-import { Revert } from '../types/Revert';
-import { SafeMath } from '../types/SafeMath';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { Blockchain } from '../../env';
+import { Address } from '../../types/Address';
+import { Revert } from '../../types/Revert';
+import { SafeMath } from '../../types/SafeMath';
 
 /**
  * @class StoredAddressArray
@@ -35,7 +35,11 @@ export class StoredAddressArray {
      * @param {Uint8Array} subPointer - The sub-pointer for memory slot addressing.
      * @param {Address} defaultValue - The default Address value if storage is uninitialized.
      */
-    constructor(public pointer: u16, public subPointer: Uint8Array, private defaultValue: Address) {
+    constructor(
+        public pointer: u16,
+        public subPointer: Uint8Array,
+        private defaultValue: Address,
+    ) {
         // Initialize the base pointer
         const writer = new BytesWriter(32);
         writer.writeU16(pointer);
diff --git a/runtime/storage/StoredBooleanArray.ts b/runtime/storage/arrays/StoredBooleanArray.ts
similarity index 98%
rename from runtime/storage/StoredBooleanArray.ts
rename to runtime/storage/arrays/StoredBooleanArray.ts
index 3f9fef5..88cb3f1 100644
--- a/runtime/storage/StoredBooleanArray.ts
+++ b/runtime/storage/arrays/StoredBooleanArray.ts
@@ -1,8 +1,8 @@
 import { u256 } from '@btc-vision/as-bignum/assembly';
-import { BytesWriter } from '../buffer/BytesWriter';
-import { Blockchain } from '../env';
-import { Revert } from '../types/Revert';
-import { SafeMath } from '../types/SafeMath';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { Blockchain } from '../../env';
+import { Revert } from '../../types/Revert';
+import { SafeMath } from '../../types/SafeMath';
 
 /**
  * @class StoredBooleanArray
@@ -33,7 +33,11 @@ export class StoredBooleanArray {
      * @param {Uint8Array} subPointer - The sub-pointer for memory slot addressing.
      * @param {u256} defaultValue - The default u256 value if storage is uninitialized.
      */
-    constructor(public pointer: u16, public subPointer: Uint8Array, private defaultValue: u256) {
+    constructor(
+        public pointer: u16,
+        public subPointer: Uint8Array,
+        private defaultValue: u256,
+    ) {
         // Initialize the base u256 pointer using the primary pointer and subPointer
         const writer = new BytesWriter(32);
         writer.writeU16(pointer);
diff --git a/runtime/storage/StoredU128Array.ts b/runtime/storage/arrays/StoredU128Array.ts
similarity index 98%
rename from runtime/storage/StoredU128Array.ts
rename to runtime/storage/arrays/StoredU128Array.ts
index 26796c8..b8c9557 100644
--- a/runtime/storage/StoredU128Array.ts
+++ b/runtime/storage/arrays/StoredU128Array.ts
@@ -1,8 +1,8 @@
 import { u128, u256 } from '@btc-vision/as-bignum/assembly';
-import { Blockchain } from '../env';
-import { BytesWriter } from '../buffer/BytesWriter';
-import { SafeMath } from '../types/SafeMath';
-import { Revert } from '../types/Revert';
+import { Blockchain } from '../../env';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { SafeMath } from '../../types/SafeMath';
+import { Revert } from '../../types/Revert';
 
 /**
  * @class StoredU128Array
diff --git a/runtime/storage/StoredU16Array.ts b/runtime/storage/arrays/StoredU16Array.ts
similarity index 98%
rename from runtime/storage/StoredU16Array.ts
rename to runtime/storage/arrays/StoredU16Array.ts
index 46aa6ce..7528934 100644
--- a/runtime/storage/StoredU16Array.ts
+++ b/runtime/storage/arrays/StoredU16Array.ts
@@ -1,8 +1,8 @@
 import { u256 } from '@btc-vision/as-bignum/assembly';
-import { Blockchain } from '../env';
-import { BytesWriter } from '../buffer/BytesWriter';
-import { SafeMath } from '../types/SafeMath';
-import { Revert } from '../types/Revert';
+import { Blockchain } from '../../env';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { SafeMath } from '../../types/SafeMath';
+import { Revert } from '../../types/Revert';
 
 /**
  * @class StoredU16Array
diff --git a/runtime/storage/StoredU256Array.ts b/runtime/storage/arrays/StoredU256Array.ts
similarity index 98%
rename from runtime/storage/StoredU256Array.ts
rename to runtime/storage/arrays/StoredU256Array.ts
index 7885706..429c02b 100644
--- a/runtime/storage/StoredU256Array.ts
+++ b/runtime/storage/arrays/StoredU256Array.ts
@@ -1,8 +1,8 @@
 import { u256 } from '@btc-vision/as-bignum/assembly';
-import { Blockchain } from '../env';
-import { BytesWriter } from '../buffer/BytesWriter';
-import { SafeMath } from '../types/SafeMath';
-import { Revert } from '../types/Revert';
+import { Blockchain } from '../../env';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { SafeMath } from '../../types/SafeMath';
+import { Revert } from '../../types/Revert';
 
 /**
  * @class StoredU256Array
diff --git a/runtime/storage/StoredU32Array.ts b/runtime/storage/arrays/StoredU32Array.ts
similarity index 98%
rename from runtime/storage/StoredU32Array.ts
rename to runtime/storage/arrays/StoredU32Array.ts
index 9f930b4..97120c8 100644
--- a/runtime/storage/StoredU32Array.ts
+++ b/runtime/storage/arrays/StoredU32Array.ts
@@ -1,8 +1,8 @@
 import { u256 } from '@btc-vision/as-bignum/assembly';
-import { Blockchain } from '../env';
-import { BytesWriter } from '../buffer/BytesWriter';
-import { SafeMath } from '../types/SafeMath';
-import { Revert } from '../types/Revert';
+import { Blockchain } from '../../env';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { SafeMath } from '../../types/SafeMath';
+import { Revert } from '../../types/Revert';
 
 /**
  * @class StoredU32Array
diff --git a/runtime/storage/arrays/StoredU8Array.ts b/runtime/storage/arrays/StoredU8Array.ts
new file mode 100644
index 0000000..8e9bc38
--- /dev/null
+++ b/runtime/storage/arrays/StoredU8Array.ts
@@ -0,0 +1,515 @@
+import { u256 } from '@btc-vision/as-bignum/assembly';
+import { BytesWriter } from '../../buffer/BytesWriter';
+import { Blockchain } from '../../env';
+import { Revert } from '../../types/Revert';
+import { SafeMath } from '../../types/SafeMath';
+
+/**
+ * @class StoredU8Array
+ * @description Manages an array of u8 values across multiple storage slots. Each slot holds thirty-two u8 values packed into a u256.
+ */
+@final
+export class StoredU8Array {
+    private readonly baseU256Pointer: u256;
+    private readonly lengthPointer: u256;
+
+    // Internal cache for storage slots
+    private _values: Map<u64, u8[]> = new Map(); // Map from slotIndex to array of thirty-two u8s
+    private _isLoaded: Set<u64> = new Set(); // Set of slotIndexes that are loaded
+    private _isChanged: Set<u64> = new Set(); // Set of slotIndexes that are modified
+
+    // Internal variables for length and startIndex management
+    private _length: u64 = 0; // Current length of the array
+    private _startIndex: u64 = 0; // Starting index of the array
+    private _isChangedLength: bool = false;
+    private _isChangedStartIndex: bool = false;
+
+    // Define a maximum allowed length to prevent excessive storage usage
+    private readonly MAX_LENGTH: u64 = u64(u32.MAX_VALUE - 1);
+
+    /**
+     * @constructor
+     * @param {u16} pointer - The primary pointer identifier.
+     * @param {Uint8Array} subPointer - The sub-pointer for memory slot addressing.
+     * @param {u256} defaultValue - The default u256 value if storage is uninitialized.
+     */
+    constructor(
+        public pointer: u16,
+        public subPointer: Uint8Array,
+        private defaultValue: u256,
+    ) {
+        // Initialize the base u256 pointer using the primary pointer and subPointer
+        const writer = new BytesWriter(32);
+        writer.writeU16(pointer);
+        writer.writeBytes(subPointer);
+
+        const baseU256Pointer = u256.fromBytes(writer.getBuffer(), true);
+        const lengthPointer = baseU256Pointer.clone();
+
+        // Load the current length and startIndex from storage
+        const storedLengthAndStartIndex: u256 = Blockchain.getStorageAt(lengthPointer, u256.Zero);
+        this.lengthPointer = lengthPointer;
+        this.baseU256Pointer = baseU256Pointer;
+
+        this._length = storedLengthAndStartIndex.lo1; // Bytes 0-7: length
+        this._startIndex = storedLengthAndStartIndex.lo2; // Bytes 8-15: startIndex
+    }
+
+    /**
+     * @method get
+     * @description Retrieves the u8 value at the specified global index.
+     * @param {u64} index - The global index (0 to ∞) of the u8 value to retrieve.
+     * @returns {u8} - The u8 value at the specified index.
+     */
+    @inline
+    public get(index: u64): u8 {
+        assert(index < this._length, 'Index out of bounds');
+
+        const slotIndex: u64 = index / 32; // Each slot holds thirty-two u8s
+        const subIndex: u8 = <u8>(index % 32);
+        this.ensureValues(slotIndex);
+        const slotValues = this._values.get(slotIndex);
+        return slotValues ? slotValues[subIndex] : 0;
+    }
+
+    /**
+     * @method set
+     * @description Sets the u8 value at the specified global index.
+     * @param {u64} index - The global index (0 to ∞) of the u8 value to set.
+     * @param {u8} value - The u8 value to assign.
+     */
+    @inline
+    public set(index: u64, value: u8): void {
+        assert(index < this._length, 'Index exceeds current array length');
+
+        const slotIndex: u64 = index / 32;
+        const subIndex: u8 = <u8>(index % 32);
+        this.ensureValues(slotIndex);
+
+        const slotValues = this._values.get(slotIndex);
+        if (slotValues && slotValues[subIndex] !== value) {
+            slotValues[subIndex] = value;
+            this._isChanged.add(slotIndex);
+        }
+    }
+
+    /**
+     * @method push
+     * @description Appends a new u8 value to the end of the array.
+     * @param {u8} value - The u8 value to append.
+     */
+    public push(value: u8): void {
+        if (this._length >= this.MAX_LENGTH) {
+            throw new Revert(
+                'Push operation failed: Array has reached its maximum allowed length.',
+            );
+        }
+
+        const newIndex: u64 = this._length;
+        const wrappedIndex: u64 =
+            newIndex < this.MAX_LENGTH ? newIndex : newIndex % this.MAX_LENGTH;
+
+        const slotIndex: u64 = wrappedIndex / 32;
+        const subIndex: u8 = <u8>(wrappedIndex % 32);
+
+        this.ensureValues(slotIndex);
+
+        const slotValues = this._values.get(slotIndex);
+        if (slotValues) {
+            slotValues[subIndex] = value;
+            this._isChanged.add(slotIndex);
+        }
+
+        this._length += 1;
+        this._isChangedLength = true;
+    }
+
+    /**
+     * @method delete
+     * @description Deletes the u8 value at the specified index by setting it to zero. Does not reorder the array.
+     * @param {u64} index - The global index of the u8 value to delete.
+     */
+    public delete(index: u64): void {
+        if (index >= this._length) {
+            throw new Revert('Delete operation failed: Index out of bounds.');
+        }
+
+        const slotIndex: u64 = index / 32;
+        const subIndex: u8 = <u8>(index % 32);
+        this.ensureValues(slotIndex);
+
+        const slotValues = this._values.get(slotIndex);
+        if (slotValues && slotValues[subIndex] !== 0) {
+            slotValues[subIndex] = 0;
+            this._isChanged.add(slotIndex);
+        }
+    }
+
+    /**
+     * @method shift
+     * @description Removes the first element of the array by setting it to zero, decrementing the length,
+     *              and incrementing the startIndex (with wrap-around if needed).
+     */
+    public shift(): void {
+        if (this._length === 0) {
+            throw new Revert('Shift operation failed: Array is empty.');
+        }
+
+        const currentStartIndex: u64 = this._startIndex;
+        const slotIndex: u64 = currentStartIndex / 32;
+        const subIndex: u8 = <u8>(currentStartIndex % 32);
+        this.ensureValues(slotIndex);
+
+        const slotValues = this._values.get(slotIndex);
+        if (slotValues && slotValues[subIndex] !== 0) {
+            slotValues[subIndex] = 0;
+            this._isChanged.add(slotIndex);
+        }
+
+        this._length -= 1;
+        this._isChangedLength = true;
+
+        if (this._startIndex < this.MAX_LENGTH - 1) {
+            this._startIndex += 1;
+        } else {
+            this._startIndex = 0;
+        }
+        this._isChangedStartIndex = true;
+    }
+
+    /**
+     * @method save
+     * @description Persists all cached u8 values, the length, and the startIndex to their respective storage slots if any have been modified.
+     */
+    public save(): void {
+        // Save all changed slots
+        const changedSlots = this._isChanged.values();
+        for (let i = 0; i < changedSlots.length; i++) {
+            const slotIndex = changedSlots[i];
+            const packed = this.packValues(slotIndex);
+            const storagePointer = this.calculateStoragePointer(slotIndex);
+            Blockchain.setStorageAt(storagePointer, packed);
+        }
+        this._isChanged.clear();
+
+        // Save length and startIndex if changed
+        if (this._isChangedLength || this._isChangedStartIndex) {
+            const packedLengthAndStartIndex = new u256();
+            packedLengthAndStartIndex.lo1 = this._length;
+            packedLengthAndStartIndex.lo2 = this._startIndex;
+            Blockchain.setStorageAt(this.lengthPointer, packedLengthAndStartIndex);
+            this._isChangedLength = false;
+            this._isChangedStartIndex = false;
+        }
+    }
+
+    /**
+     * @method deleteAll
+     * @description Deletes all storage slots by setting them to zero, including the length and startIndex slots.
+     */
+    public deleteAll(): void {
+        // Iterate over all loaded slots and clear them
+        const keys = this._values.keys();
+        for (let i = 0; i < keys.length; i++) {
+            const slotIndex = keys[i];
+            const storagePointer = this.calculateStoragePointer(slotIndex);
+            Blockchain.setStorageAt(storagePointer, u256.Zero);
+        }
+
+        // Reset length and startIndex
+        Blockchain.setStorageAt(this.lengthPointer, u256.Zero);
+        this._length = 0;
+        this._startIndex = 0;
+        this._isChangedLength = false;
+        this._isChangedStartIndex = false;
+
+        // Clear internal caches
+        this._values.clear();
+        this._isLoaded.clear();
+        this._isChanged.clear();
+    }
+
+    /**
+     * @method setMultiple
+     * @description Sets multiple u8 values starting from a specific global index.
+     * @param {u64} startIndex - The starting global index.
+     * @param {u8[]} values - An array of u8 values to set.
+     */
+    @inline
+    public setMultiple(startIndex: u64, values: u8[]): void {
+        for (let i: u64 = 0; i < values.length; i++) {
+            this.set(startIndex + i, values[i]);
+        }
+    }
+
+    /**
+     * @method getAll
+     * @description Retrieves a range of u8 values starting from a specific global index.
+     * @param {u64} startIndex - The starting global index.
+     * @param {u64} count - The number of u8 values to retrieve.
+     * @returns {u8[]} - An array containing the retrieved u8 values.
+     */
+    @inline
+    public getAll(startIndex: u64, count: u64): u8[] {
+        assert(startIndex + count <= this._length, 'Requested range exceeds array length');
+        if (u32.MAX_VALUE < count) {
+            throw new Revert('Requested range exceeds maximum allowed value.');
+        }
+
+        const result: u8[] = new Array<u8>(count as u32);
+        for (let i: u64 = 0; i < count; i++) {
+            result[i as u32] = this.get(startIndex + i);
+        }
+        return result;
+    }
+
+    /**
+     * @method toString
+     * @description Returns a string representation of all cached u8 values.
+     * @returns {string} - A string in the format "[value0, value1, ..., valueN]".
+     */
+    @inline
+    public toString(): string {
+        let str = '[';
+        for (let i: u64 = 0; i < this._length; i++) {
+            const value = this.get(i);
+            str += value.toString();
+            if (i !== this._length - 1) {
+                str += ', ';
+            }
+        }
+        str += ']';
+        return str;
+    }
+
+    /**
+     * @method toBytes
+     * @description Returns the packed u256 values as a byte array.
+     * @returns {u8[]} - The packed u256 values in byte form.
+     */
+    @inline
+    public toBytes(): u8[] {
+        const bytes: u8[] = new Array<u8>();
+        const slotCount: u64 = (this._length + 31) / 32;
+
+        for (let slotIndex: u64 = 0; slotIndex < slotCount; slotIndex++) {
+            this.ensureValues(slotIndex);
+            const packed = this.packValues(slotIndex);
+            const slotBytes = packed.toBytes();
+            for (let i: u32 = 0; i < slotBytes.length; i++) {
+                bytes.push(slotBytes[i]);
+            }
+        }
+        return bytes;
+    }
+
+    /**
+     * @method reset
+     * @description Resets all cached u8 values to zero and marks them as changed, including resetting the length and startIndex.
+     */
+    @inline
+    public reset(): void {
+        this._length = 0;
+        this._startIndex = 0;
+        this._isChangedLength = true;
+        this._isChangedStartIndex = true;
+        this.save();
+    }
+
+    /**
+     * @method getLength
+     * @description Retrieves the current length of the array.
+     * @returns {u64} - The current length.
+     */
+    @inline
+    public getLength(): u64 {
+        return this._length;
+    }
+
+    /**
+     * @method startingIndex
+     * @description Retrieves the current starting index of the array.
+     * @returns {u64} - The starting index.
+     */
+    public startingIndex(): u64 {
+        return this._startIndex;
+    }
+
+    /**
+     * @method setLength
+     * @description Sets the length of the array.
+     * @param {u64} newLength - The new length to set.
+     */
+    public setLength(newLength: u64): void {
+        if (newLength > this.MAX_LENGTH) {
+            throw new Revert('SetLength operation failed: Length exceeds maximum allowed value.');
+        }
+
+        // If newLength is bigger than _startIndex, adjust startIndex
+        if (newLength > this._startIndex) {
+            this._startIndex = newLength;
+            this._isChangedStartIndex = true;
+        }
+
+        this._length = newLength;
+        this._isChangedLength = true;
+    }
+
+    /**
+     * @method deleteLast
+     * @description Removes the last element of the array by setting it to zero and decrementing the length.
+     */
+    public deleteLast(): void {
+        if (this._length === 0) {
+            throw new Revert('DeleteLast operation failed: Array is empty.');
+        }
+
+        const index = this._length - 1;
+        this.delete(index);
+
+        this._length -= 1;
+        this._isChangedLength = true;
+    }
+
+    /**
+     * @private
+     * @method ensureValues
+     * @description Loads and caches the u8 values from the specified storage slot if not already loaded.
+     * @param {u64} slotIndex - The index of the storage slot.
+     */
+    private ensureValues(slotIndex: u64): void {
+        if (!this._isLoaded.has(slotIndex)) {
+            const storagePointer = this.calculateStoragePointer(slotIndex);
+            const storedU256: u256 = Blockchain.getStorageAt(storagePointer, this.defaultValue);
+            const slotValues = this.unpackU256(storedU256);
+            this._values.set(slotIndex, slotValues);
+            this._isLoaded.add(slotIndex);
+        }
+    }
+
+    /**
+     * @private
+     * @method packValues
+     * @description Packs the thirty-two cached u8 values into a single u256 for storage.
+     * @param {u64} slotIndex - The index of the storage slot.
+     * @returns {u256} - The packed u256 value.
+     */
+    private packValues(slotIndex: u64): u256 {
+        const values = this._values.get(slotIndex);
+        if (!values) {
+            return u256.Zero;
+        }
+        const packed = new u256();
+
+        // Pack values[0..7]   into lo1
+        packed.lo1 =
+            (u64(values[0]) << 56) |
+            (u64(values[1]) << 48) |
+            (u64(values[2]) << 40) |
+            (u64(values[3]) << 32) |
+            (u64(values[4]) << 24) |
+            (u64(values[5]) << 16) |
+            (u64(values[6]) << 8) |
+            u64(values[7]);
+
+        // Pack values[8..15]  into lo2
+        packed.lo2 =
+            (u64(values[8]) << 56) |
+            (u64(values[9]) << 48) |
+            (u64(values[10]) << 40) |
+            (u64(values[11]) << 32) |
+            (u64(values[12]) << 24) |
+            (u64(values[13]) << 16) |
+            (u64(values[14]) << 8) |
+            u64(values[15]);
+
+        // Pack values[16..23] into hi1
+        packed.hi1 =
+            (u64(values[16]) << 56) |
+            (u64(values[17]) << 48) |
+            (u64(values[18]) << 40) |
+            (u64(values[19]) << 32) |
+            (u64(values[20]) << 24) |
+            (u64(values[21]) << 16) |
+            (u64(values[22]) << 8) |
+            u64(values[23]);
+
+        // Pack values[24..31] into hi2
+        packed.hi2 =
+            (u64(values[24]) << 56) |
+            (u64(values[25]) << 48) |
+            (u64(values[26]) << 40) |
+            (u64(values[27]) << 32) |
+            (u64(values[28]) << 24) |
+            (u64(values[29]) << 16) |
+            (u64(values[30]) << 8) |
+            u64(values[31]);
+
+        return packed;
+    }
+
+    /**
+     * @private
+     * @method unpackU256
+     * @description Unpacks a u256 value into an array of thirty-two u8s.
+     * @param {u256} storedU256 - The u256 value to unpack.
+     * @returns {u8[]} - An array of thirty-two u8 values.
+     */
+    private unpackU256(storedU256: u256): u8[] {
+        const values: u8[] = new Array<u8>(32);
+
+        // Unpack lo1 into values[0..7]
+        values[0] = u8(storedU256.lo1 >> 56);
+        values[1] = u8((storedU256.lo1 >> 48) & 0xff);
+        values[2] = u8((storedU256.lo1 >> 40) & 0xff);
+        values[3] = u8((storedU256.lo1 >> 32) & 0xff);
+        values[4] = u8((storedU256.lo1 >> 24) & 0xff);
+        values[5] = u8((storedU256.lo1 >> 16) & 0xff);
+        values[6] = u8((storedU256.lo1 >> 8) & 0xff);
+        values[7] = u8(storedU256.lo1 & 0xff);
+
+        // Unpack lo2 into values[8..15]
+        values[8] = u8(storedU256.lo2 >> 56);
+        values[9] = u8((storedU256.lo2 >> 48) & 0xff);
+        values[10] = u8((storedU256.lo2 >> 40) & 0xff);
+        values[11] = u8((storedU256.lo2 >> 32) & 0xff);
+        values[12] = u8((storedU256.lo2 >> 24) & 0xff);
+        values[13] = u8((storedU256.lo2 >> 16) & 0xff);
+        values[14] = u8((storedU256.lo2 >> 8) & 0xff);
+        values[15] = u8(storedU256.lo2 & 0xff);
+
+        // Unpack hi1 into values[16..23]
+        values[16] = u8(storedU256.hi1 >> 56);
+        values[17] = u8((storedU256.hi1 >> 48) & 0xff);
+        values[18] = u8((storedU256.hi1 >> 40) & 0xff);
+        values[19] = u8((storedU256.hi1 >> 32) & 0xff);
+        values[20] = u8((storedU256.hi1 >> 24) & 0xff);
+        values[21] = u8((storedU256.hi1 >> 16) & 0xff);
+        values[22] = u8((storedU256.hi1 >> 8) & 0xff);
+        values[23] = u8(storedU256.hi1 & 0xff);
+
+        // Unpack hi2 into values[24..31]
+        values[24] = u8(storedU256.hi2 >> 56);
+        values[25] = u8((storedU256.hi2 >> 48) & 0xff);
+        values[26] = u8((storedU256.hi2 >> 40) & 0xff);
+        values[27] = u8((storedU256.hi2 >> 32) & 0xff);
+        values[28] = u8((storedU256.hi2 >> 24) & 0xff);
+        values[29] = u8((storedU256.hi2 >> 16) & 0xff);
+        values[30] = u8((storedU256.hi2 >> 8) & 0xff);
+        values[31] = u8(storedU256.hi2 & 0xff);
+
+        return values;
+    }
+
+    /**
+     * @private
+     * @method calculateStoragePointer
+     * @description Calculates the storage pointer for a given slot index by incrementing the base pointer.
+     * @param {u64} slotIndex - The index of the storage slot.
+     * @returns {u256} - The calculated storage pointer.
+     */
+    private calculateStoragePointer(slotIndex: u64): u256 {
+        // Each slot is identified by baseU256Pointer + slotIndex + 1
+        return SafeMath.add(this.baseU256Pointer, u256.fromU64(slotIndex + 1));
+    }
+}
diff --git a/runtime/storage/StorageBacked.ts b/runtime/storage/utils/StorageBacked.ts
similarity index 100%
rename from runtime/storage/StorageBacked.ts
rename to runtime/storage/utils/StorageBacked.ts
diff --git a/runtime/storage/StorageLayout.ts b/runtime/storage/utils/StorageLayout.ts
similarity index 71%
rename from runtime/storage/StorageLayout.ts
rename to runtime/storage/utils/StorageLayout.ts
index c3b8a79..13097a9 100644
--- a/runtime/storage/StorageLayout.ts
+++ b/runtime/storage/utils/StorageLayout.ts
@@ -1,4 +1,4 @@
-import { Blockchain } from '../env';
+import { Blockchain } from '../../env';
 
 export class StorageLayout {
     public next(): u16 {
diff --git a/runtime/storage/StorageSlot.ts b/runtime/storage/utils/StorageSlot.ts
similarity index 93%
rename from runtime/storage/StorageSlot.ts
rename to runtime/storage/utils/StorageSlot.ts
index 6c6bbf0..93ec776 100644
--- a/runtime/storage/StorageSlot.ts
+++ b/runtime/storage/utils/StorageSlot.ts
@@ -1,8 +1,8 @@
 import { u256 } from '@btc-vision/as-bignum/assembly';
-import { BlockchainEnvironment } from '../env/BlockchainEnvironment';
-import { Sha256 } from '../math/sha256';
-import { MemorySlotPointer } from '../memory/MemorySlotPointer';
-import { Box, concat, fromArrayBuffer, toArrayBuffer } from '../utils';
+import { BlockchainEnvironment } from '../../env/BlockchainEnvironment';
+import { Sha256 } from '../../math/sha256';
+import { MemorySlotPointer } from '../../memory/MemorySlotPointer';
+import { Box, concat, fromArrayBuffer, toArrayBuffer } from '../../utils';
 
 export function toBuffer<T>(v: T): ArrayBuffer {
     const result = new ArrayBuffer(sizeof<T>());
diff --git a/runtime/storage/StorageStruct.ts b/runtime/storage/utils/StorageStruct.ts
similarity index 100%
rename from runtime/storage/StorageStruct.ts
rename to runtime/storage/utils/StorageStruct.ts
diff --git a/runtime/storage/StorageValue.ts b/runtime/storage/utils/StorageValue.ts
similarity index 100%
rename from runtime/storage/StorageValue.ts
rename to runtime/storage/utils/StorageValue.ts