diff --git a/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts b/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts
index 7aa3f5fa03..6c423a306f 100644
--- a/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts
+++ b/modules/sdk-core/src/bitgo/staking/iStakingWallet.ts
@@ -164,6 +164,14 @@ export interface StakeOptions {
   region?: string;
 }
 
+export interface XdcStakeOptions extends StakeOptions {
+  /**
+   * XDC masternode KYC document hash — IPFS CIDv0 (Qm...) returned by the
+   * staking-service KYC upload endpoint, injected before calling stake().
+   */
+  kycHash?: string;
+}
+
 export interface TronStakeOptions extends StakeOptions {
   /**
    * Tron staking resource type (Energy or Bandwidth)
@@ -311,7 +319,7 @@ export interface IStakingWallet {
   readonly walletId: string;
   readonly coin: string;
   stake(
-    options: StakeOptions | TronStakeOptions | TaoStakeOptions | VetStakeOptions | StoryStakeOptions
+    options: StakeOptions | TronStakeOptions | TaoStakeOptions | VetStakeOptions | StoryStakeOptions | XdcStakeOptions
   ): Promise<StakingRequest>;
   unstake(options: UnstakeOptions | EthUnstakeOptions): Promise<StakingRequest>;
   switchValidator(options: SwitchValidatorOptions | TaoSwitchValidatorOptions): Promise<StakingRequest>;
diff --git a/modules/sdk-core/src/bitgo/staking/stakingWallet.ts b/modules/sdk-core/src/bitgo/staking/stakingWallet.ts
index f67c1f6f55..0521aed59e 100644
--- a/modules/sdk-core/src/bitgo/staking/stakingWallet.ts
+++ b/modules/sdk-core/src/bitgo/staking/stakingWallet.ts
@@ -25,6 +25,7 @@ import {
   TaoSwitchValidatorOptions,
   VetStakeOptions,
   StoryStakeOptions,
+  XdcStakeOptions,
 } from './iStakingWallet';
 import { BitGoBase } from '../bitgoBase';
 import { IWallet, PrebuildTransactionResult } from '../wallet';
@@ -63,7 +64,7 @@ export class StakingWallet implements IStakingWallet {
    * @return StakingRequest
    */
   async stake(
-    options: StakeOptions | TronStakeOptions | TaoStakeOptions | VetStakeOptions | StoryStakeOptions
+    options: StakeOptions | TronStakeOptions | TaoStakeOptions | VetStakeOptions | StoryStakeOptions | XdcStakeOptions
   ): Promise<StakingRequest> {
     return await this.createStakingRequest(options, 'STAKE');
   }
@@ -325,7 +326,8 @@ export class StakingWallet implements IStakingWallet {
       | TaoStakeOptions
       | TaoSwitchValidatorOptions
       | VetStakeOptions
-      | StoryStakeOptions,
+      | StoryStakeOptions
+      | XdcStakeOptions,
     type: string
   ): Promise<StakingRequest> {
     return await this.bitgo