diff --git a/src/provider/interface.ts b/src/provider/interface.ts
index 7b8067d61..4e4a18471 100644
--- a/src/provider/interface.ts
+++ b/src/provider/interface.ts
@@ -1,5 +1,4 @@
 import { RPC06, RPC07 } from '../channel';
-import { StarknetChainId } from '../constants';
 import type {
   AccountInvocations,
   BigNumberish,
@@ -7,6 +6,7 @@ import type {
   BlockIdentifier,
   Call,
   CallContractResponse,
+  ChainId,
   ContractClassResponse,
   ContractVersion,
   DeclareContractResponse,
@@ -41,7 +41,7 @@ export abstract class ProviderInterface {
    *
    * @returns the chain Id
    */
-  public abstract getChainId(): Promise<StarknetChainId>;
+  public abstract getChainId(): Promise<ChainId>;
 
   /**
    * Calls a function on the Starknet contract.
diff --git a/src/types/lib/index.ts b/src/types/lib/index.ts
index 69be02c71..f53506ca7 100644
--- a/src/types/lib/index.ts
+++ b/src/types/lib/index.ts
@@ -1,4 +1,3 @@
-import { StarknetChainId } from '../../constants';
 import { weierstrass } from '../../utils/ec';
 import { EDataAvailabilityMode, ResourceBounds } from '../api';
 import { CairoEnum } from '../cairoEnum';
@@ -159,7 +158,7 @@ export type Details = {
   nonce: BigNumberish;
   maxFee: BigNumberish;
   version: BigNumberish;
-  chainId: StarknetChainId;
+  chainId: ChainId;
 };
 
 export type InvocationsDetailsWithNonce =
@@ -313,4 +312,6 @@ export type ContractVersion = {
   compiler: CompilerVersion;
 };
 
+export type ChainId = `0x${string}`;
+
 export * from './contract';
diff --git a/src/types/provider/configuration.ts b/src/types/provider/configuration.ts
index e6be05493..0f17337d0 100644
--- a/src/types/provider/configuration.ts
+++ b/src/types/provider/configuration.ts
@@ -1,5 +1,5 @@
 import { NetworkName } from '../../constants';
-import { BlockIdentifier } from '../lib';
+import { BlockIdentifier, ChainId } from '../lib';
 
 export interface ProviderOptions extends RpcProviderOptions {}
 
@@ -21,4 +21,4 @@ export type RpcProviderOptions = {
   batch?: false | number;
 };
 
-export type ChainId = `0x${string}`;
+// export type ChainId = `0x${string}`;
diff --git a/src/types/signer.ts b/src/types/signer.ts
index 80d98a8d6..5f0f25c25 100644
--- a/src/types/signer.ts
+++ b/src/types/signer.ts
@@ -1,8 +1,8 @@
-import { StarknetChainId } from '../constants';
 import { ETransactionVersion, ETransactionVersion2, ETransactionVersion3 } from './api';
 import {
   BigNumberish,
   CairoVersion,
+  ChainId,
   DeployAccountContractPayload,
   InvocationsDetails,
   V3TransactionDetails,
@@ -16,7 +16,7 @@ export type InvocationsSignerDetails = (V2InvocationsSignerDetails | V3Invocatio
 export type V2InvocationsSignerDetails = {
   walletAddress: string;
   cairoVersion: CairoVersion;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
   maxFee: BigNumberish;
   version: `${ETransactionVersion2}`;
@@ -25,7 +25,7 @@ export type V2InvocationsSignerDetails = {
 export type V3InvocationsSignerDetails = V3TransactionDetails & {
   walletAddress: string;
   cairoVersion: CairoVersion;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   version: `${ETransactionVersion3}`;
 };
 
@@ -37,7 +37,7 @@ export type V2DeclareSignerDetails = Required<InvocationsDetails> & {
   classHash: string;
   compiledClassHash?: string;
   senderAddress: string;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   version: `${ETransactionVersion2}`;
 };
 
@@ -45,7 +45,7 @@ export type V3DeclareSignerDetails = V3TransactionDetails & {
   classHash: string;
   compiledClassHash: string;
   senderAddress: string;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   version: `${ETransactionVersion3}`;
 };
 
@@ -56,13 +56,13 @@ export type DeployAccountSignerDetails =
 export type V2DeployAccountSignerDetails = Required<DeployAccountContractPayload> &
   Required<InvocationsDetails> & {
     contractAddress: BigNumberish;
-    chainId: StarknetChainId;
+    chainId: ChainId;
     version: `${ETransactionVersion2}`;
   };
 
 export type V3DeployAccountSignerDetails = Required<DeployAccountContractPayload> &
   V3TransactionDetails & {
     contractAddress: BigNumberish;
-    chainId: StarknetChainId;
+    chainId: ChainId;
     version: `${ETransactionVersion3}`;
   };
diff --git a/src/utils/calldata/formatter.ts b/src/utils/calldata/formatter.ts
index 5aa3d6a77..87e3f1239 100644
--- a/src/utils/calldata/formatter.ts
+++ b/src/utils/calldata/formatter.ts
@@ -4,7 +4,7 @@ import { decodeShortString } from '../shortString';
 const guard = {
   /**
    * Checks if the data is a BigInt (BN) and throws an error if not.
-   * 
+   *
    * @param {Record<string, any>} data - The data object containing the key to check.
    * @param {Record<string, any>} type - The type definition object.
    * @param {string} key - The key in the data object to check.
@@ -21,7 +21,7 @@ const guard = {
 
   /**
    * Throws an error for unhandled formatter types.
-   * 
+   *
    * @param {Record<string, any>} data - The data object containing the key.
    * @param {Record<string, any>} type - The type definition object.
    * @param {string} key - The key in the data object to check.
@@ -39,21 +39,21 @@ const guard = {
  * @param {Record<string, any>} type - The type definition for the data.
  * @param {any} [sameType] - The same type definition to be used (optional).
  * @returns {Record<string, any>} The formatted data.
- * 
+ *
  * @example
  * // Example 1: Formatting a simple object
  * const data = { value: '123', name: 'test' };
  * const type = { value: 'number', name: 'string' };
  * const formatted = formatter(data, type);
  * // formatted: { value: 123, name: 'test' }
- * 
+ *
  * @example
  * // Example 2: Formatting an object with nested structures
  * const data = { user: { id: '123', age: '30' }, active: '1' };
  * const type = { user: { id: 'number', age: 'number' }, active: 'number' };
  * const formatted = formatter(data, type);
  * // formatted: { user: { id: 123, age: 30 }, active: 1 }
- * 
+ *
  * @example
  * // Example 3: Handling arrays in the data object
  * const data = { items: ['1', '2', '3'], name: 'test' };
diff --git a/src/utils/calldata/tuple.ts b/src/utils/calldata/tuple.ts
index a76f53bb1..6949b3601 100644
--- a/src/utils/calldata/tuple.ts
+++ b/src/utils/calldata/tuple.ts
@@ -106,22 +106,22 @@ function extractCairo1Tuple(type: string): string[] {
 /**
  * Convert a tuple string definition into an object-like definition.
  * Supports both Cairo 0 and Cairo 1 tuple formats.
- * 
+ *
  * @param type - The tuple string definition (e.g., "(u8, u8)" or "(x:u8, y:u8)").
  * @returns An array of strings or objects representing the tuple components.
- * 
+ *
  * @example
  * // Cairo 0 Tuple
  * const cairo0Tuple = "(u8, u8)";
  * const result = extractTupleMemberTypes(cairo0Tuple);
  * // result: ["u8", "u8"]
- * 
+ *
  * @example
  * // Named Cairo 0 Tuple
  * const namedCairo0Tuple = "(x:u8, y:u8)";
  * const namedResult = extractTupleMemberTypes(namedCairo0Tuple);
  * // namedResult: [{ name: "x", type: "u8" }, { name: "y", type: "u8" }]
- * 
+ *
  * @example
  * // Cairo 1 Tuple
  * const cairo1Tuple = "(core::result::Result::<u8, u8>, u8)";
diff --git a/src/utils/hash/transactionHash/index.ts b/src/utils/hash/transactionHash/index.ts
index f0a28d6f4..340e6477e 100644
--- a/src/utils/hash/transactionHash/index.ts
+++ b/src/utils/hash/transactionHash/index.ts
@@ -2,8 +2,7 @@
  * Transaction Hash based on Transaction Version
  */
 
-import { StarknetChainId } from '../../../constants';
-import { BigNumberish, Calldata } from '../../../types';
+import { BigNumberish, Calldata, ChainId } from '../../../types';
 import {
   EDAMode,
   ETransactionVersion,
@@ -38,7 +37,7 @@ type CalcV2InvokeTxHashArgs = {
   version: `${ETransactionVersion2}`;
   compiledCalldata: Calldata;
   maxFee: BigNumberish;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
 };
 
@@ -46,7 +45,7 @@ type CalcV3InvokeTxHashArgs = {
   senderAddress: BigNumberish;
   version: `${ETransactionVersion3}`;
   compiledCalldata: Calldata;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
   accountDeploymentData: BigNumberish[];
   nonceDataAvailabilityMode: EDAMode;
@@ -96,7 +95,7 @@ type CalcV2DeclareTxHashArgs = {
   senderAddress: BigNumberish;
   version: `${ETransactionVersion2}`;
   maxFee: BigNumberish;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
   compiledClassHash?: string;
 };
@@ -106,7 +105,7 @@ type CalcV3DeclareTxHashArgs = {
   compiledClassHash: string;
   senderAddress: BigNumberish;
   version: `${ETransactionVersion3}`;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
   accountDeploymentData: BigNumberish[];
   nonceDataAvailabilityMode: EDAMode;
@@ -164,7 +163,7 @@ type CalcV2DeployAccountTxHashArgs = {
   salt: BigNumberish;
   version: `${ETransactionVersion2}`;
   maxFee: BigNumberish;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
 };
 
@@ -174,7 +173,7 @@ type CalcV3DeployAccountTxHashArgs = {
   compiledConstructorCalldata: Calldata;
   salt: BigNumberish;
   version: `${ETransactionVersion3}`;
-  chainId: StarknetChainId;
+  chainId: ChainId;
   nonce: BigNumberish;
   nonceDataAvailabilityMode: EDAMode;
   feeDataAvailabilityMode: EDAMode;
diff --git a/src/utils/hash/transactionHash/v2.ts b/src/utils/hash/transactionHash/v2.ts
index 1ba81088c..bb0aa6651 100644
--- a/src/utils/hash/transactionHash/v2.ts
+++ b/src/utils/hash/transactionHash/v2.ts
@@ -5,7 +5,7 @@
 /* eslint-disable no-param-reassign */
 /* eslint-disable import/extensions */
 import { StarknetChainId, TransactionHashPrefix } from '../../../constants';
-import { BigNumberish, RawCalldata } from '../../../types';
+import { BigNumberish, ChainId, RawCalldata } from '../../../types';
 import { starkCurve } from '../../ec';
 import { toBigInt } from '../../num';
 import { getSelector } from '../selector';
@@ -33,7 +33,7 @@ export function calculateTransactionHashCommon(
   entryPointSelector: BigNumberish,
   calldata: RawCalldata,
   maxFee: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   additionalData: BigNumberish[] = []
 ): string {
   const calldataHash = computeHashOnElements(calldata);
@@ -61,7 +61,7 @@ export function calculateDeclareTransactionHash(
   senderAddress: BigNumberish,
   version: BigNumberish,
   maxFee: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish,
   compiledClassHash?: string
 ): string {
@@ -88,7 +88,7 @@ export function calculateDeployAccountTransactionHash(
   salt: BigNumberish,
   version: BigNumberish,
   maxFee: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish
 ) {
   const calldata = [classHash, salt, ...constructorCalldata];
@@ -114,7 +114,7 @@ export function calculateTransactionHash(
   version: BigNumberish,
   calldata: RawCalldata,
   maxFee: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish
 ): string {
   return calculateTransactionHashCommon(
diff --git a/src/utils/hash/transactionHash/v3.ts b/src/utils/hash/transactionHash/v3.ts
index 7746c67be..a224c6b8a 100644
--- a/src/utils/hash/transactionHash/v3.ts
+++ b/src/utils/hash/transactionHash/v3.ts
@@ -4,8 +4,8 @@
 
 import { poseidonHashMany } from '@scure/starknet';
 
-import { StarknetChainId, TransactionHashPrefix } from '../../../constants';
-import { BigNumberish, Calldata } from '../../../types';
+import { TransactionHashPrefix } from '../../../constants';
+import { BigNumberish, Calldata, ChainId } from '../../../types';
 import { EDAMode, ResourceBounds } from '../../../types/api';
 import { toHex } from '../../num';
 import { encodeShortString } from '../../shortString';
@@ -42,7 +42,7 @@ export function calculateTransactionHashCommon(
   txHashPrefix: TransactionHashPrefix,
   version: BigNumberish,
   senderAddress: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish,
   tip: BigNumberish,
   paymasterData: BigNumberish[],
@@ -77,7 +77,7 @@ export function calculateDeployAccountTransactionHash(
   compiledConstructorCalldata: Calldata,
   salt: BigNumberish,
   version: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish,
   nonceDataAvailabilityMode: EDAMode,
   feeDataAvailabilityMode: EDAMode,
@@ -109,7 +109,7 @@ export function calculateDeclareTransactionHash(
   compiledClassHash: string,
   senderAddress: BigNumberish,
   version: BigNumberish,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish,
   accountDeploymentData: BigNumberish[],
   nonceDataAvailabilityMode: EDAMode,
@@ -141,7 +141,7 @@ export function calculateInvokeTransactionHash(
   senderAddress: BigNumberish,
   version: BigNumberish,
   compiledCalldata: Calldata,
-  chainId: StarknetChainId,
+  chainId: ChainId,
   nonce: BigNumberish,
   accountDeploymentData: BigNumberish[],
   nonceDataAvailabilityMode: EDAMode,
diff --git a/src/utils/starknetId.ts b/src/utils/starknetId.ts
index 5df3ad48e..c9bc2e7da 100644
--- a/src/utils/starknetId.ts
+++ b/src/utils/starknetId.ts
@@ -1,5 +1,5 @@
 import { StarknetChainId, ZERO } from '../constants';
-import { BigNumberish } from '../types';
+import { BigNumberish, ChainId } from '../types';
 import { tuple } from './calldata/cairo';
 import { CairoCustomEnum } from './calldata/enum/CairoCustomEnum';
 /* eslint-disable no-param-reassign */
@@ -132,7 +132,7 @@ export const StarknetIdContract = {
 /**
  * Returns the Starknet ID contract address based on the provided chain ID.
  *
- * @param {StarknetChainId} chainId The chain ID of the Starknet network.
+ * @param {ChainId} chainId The chain ID of the Starknet network.
  * @return {string} The Starknet ID contract address.
  * @throws {Error} Throws an error if the Starknet ID contract is not deployed on the network.
  * @example
@@ -141,7 +141,7 @@ export const StarknetIdContract = {
  * // result = "0x154bc2e1af9260b9e66af0e9c46fc757ff893b3ff6a85718a810baf1474"
  * ```
  */
-export function getStarknetIdContract(chainId: StarknetChainId): string {
+export function getStarknetIdContract(chainId: ChainId): string {
   switch (chainId) {
     case StarknetChainId.SN_MAIN:
       return StarknetIdContract.MAINNET;
@@ -162,7 +162,7 @@ export const StarknetIdIdentityContract = {
 /**
  * Returns the Starknet ID identity contract address for the given chain ID.
  *
- * @param {StarknetChainId} chainId The chain ID for the specified network.
+ * @param {ChainId} chainId The chain ID for the specified network.
  *
  * @return {string} The Starknet ID identity contract address for the specified network.
  *
@@ -173,7 +173,7 @@ export const StarknetIdIdentityContract = {
  * // result = "0x3697660a0981d734780731949ecb2b4a38d6a58fc41629ed611e8defda"
  * ```
  */
-export function getStarknetIdIdentityContract(chainId: StarknetChainId): string {
+export function getStarknetIdIdentityContract(chainId: ChainId): string {
   switch (chainId) {
     case StarknetChainId.SN_MAIN:
       return StarknetIdIdentityContract.MAINNET;
@@ -192,7 +192,7 @@ export const StarknetIdMulticallContract =
 /**
  * Returns the Starknet.id multicall contract address based on the provided chainId.
  *
- * @param {StarknetChainId} chainId - The chainId of the network.
+ * @param {ChainId} chainId - The chainId of the network.
  * @return {string} - The address of the Starknet.id multicall contract.
  * @throws {Error} - If the Starknet.id multicall contract is not deployed on the network.
  * @example
@@ -201,7 +201,7 @@ export const StarknetIdMulticallContract =
  * // result = "0x034ffb8f4452df7a613a0210824d6414dbadcddce6c6e19bf4ddc9e22ce5f970"
  * ```
  */
-export function getStarknetIdMulticallContract(chainId: StarknetChainId): string {
+export function getStarknetIdMulticallContract(chainId: ChainId): string {
   switch (chainId) {
     case StarknetChainId.SN_MAIN:
       return StarknetIdMulticallContract;
@@ -222,7 +222,7 @@ export const StarknetIdVerifierContract = {
 /**
  * Returns the address of the Starknet ID Verifier contract based on the specified chain ID.
  *
- * @param {StarknetChainId} chainId - The ID of the Starknet chain.
+ * @param {ChainId} chainId - The ID of the Starknet chain.
  * @return {string} - The address of the Starknet ID Verifier contract.
  * @throws {Error} - If the Starknet ID Verifier contract is not deployed on the specified network.
  * @example
@@ -231,7 +231,7 @@ export const StarknetIdVerifierContract = {
  * // result = "0x60B94fEDe525f815AE5E8377A463e121C787cCCf3a36358Aa9B18c12c4D566"
  * ```
  */
-export function getStarknetIdVerifierContract(chainId: StarknetChainId): string {
+export function getStarknetIdVerifierContract(chainId: ChainId): string {
   switch (chainId) {
     case StarknetChainId.SN_MAIN:
       return StarknetIdVerifierContract.MAINNET;
@@ -252,7 +252,7 @@ export const StarknetIdPfpContract = {
 /**
  * Retrieves the contract address of the Starknet.id profile picture verifier contract based on the given chain ID.
  *
- * @param {StarknetChainId} chainId - The chain ID of the network.
+ * @param {ChainId} chainId - The chain ID of the network.
  * @returns {string} - The contract address of the Starknet.id profile picture verifier contract.
  * @throws {Error} - Throws an error if the Starknet.id profile picture verifier contract is not yet deployed on the network.
  * @example
@@ -261,7 +261,7 @@ export const StarknetIdPfpContract = {
  * // result = "0x9e7bdb8dabd02ea8cfc23b1d1c5278e46490f193f87516ed5ff2dfec02"
  * ```
  */
-export function getStarknetIdPfpContract(chainId: StarknetChainId): string {
+export function getStarknetIdPfpContract(chainId: ChainId): string {
   switch (chainId) {
     case StarknetChainId.SN_MAIN:
       return StarknetIdPfpContract.MAINNET;
@@ -284,7 +284,7 @@ export const StarknetIdPopContract = {
 /**
  * Retrieves the Starknet ID Proof of Personhood (IdPop) verifier contract address for the given chain ID.
  *
- * @param {StarknetChainId} chainId - The chain ID of the Starknet network.
+ * @param {ChainId} chainId - The chain ID of the Starknet network.
  * @return {string} - The Starknet ID Pop contract address.
  * @throws {Error} - If the Starknet ID Pop contract is not deployed on the specified network.
  * @example
@@ -293,7 +293,7 @@ export const StarknetIdPopContract = {
  * // result = "0x15ae88ae054caa74090b89025c1595683f12edf7a4ed2ad0274de3e1d4a"
  * ```
  */
-export function getStarknetIdPopContract(chainId: StarknetChainId): string {
+export function getStarknetIdPopContract(chainId: ChainId): string {
   switch (chainId) {
     case StarknetChainId.SN_MAIN:
       return StarknetIdPopContract.MAINNET;
diff --git a/src/wallet/account.ts b/src/wallet/account.ts
index 8a1bccffc..12a8ae4ef 100644
--- a/src/wallet/account.ts
+++ b/src/wallet/account.ts
@@ -11,6 +11,7 @@ import {
   AllowArray,
   CairoVersion,
   Call,
+  ChainId,
   CompiledSierra,
   DeclareContractPayload,
   MultiDeployContractResponse,
@@ -34,7 +35,6 @@ import {
   watchAsset,
 } from './connect';
 import { StarknetWalletProvider } from './types';
-import { StarknetChainId } from '../constants';
 
 // Represent 'Selected Active' Account inside Connected Wallet
 export class WalletAccount extends Account implements AccountInterface {
@@ -61,7 +61,7 @@ export class WalletAccount extends Account implements AccountInterface {
       if (!res) return;
       // Determine is it better to set chainId or replace channel with new one
       // At the moment channel is stateless but it could change
-      this.channel.setChainId(res as StarknetChainId);
+      this.channel.setChainId(res as ChainId);
     });
 
     // Get and Set Address !!! Post constructor initial empty string
@@ -99,7 +99,7 @@ export class WalletAccount extends Account implements AccountInterface {
     return getPermissions(this.walletProvider);
   }
 
-  public switchStarknetChain(chainId: StarknetChainId) {
+  public switchStarknetChain(chainId: ChainId) {
     return switchStarknetChain(this.walletProvider, chainId);
   }