WalletKit Link Mode is a low latency mechanism for transporting One-Click Auth requests and session requests over Universal Links, reducing the need for a WebSocket connection with the Relay. This significantly enhances the user experience when connecting native dApps to native wallets by reducing the latency associated with network connections, especially when the user has an unstable internet connection.
Make sure that One-Click Auth is implemented before enabling Link Mode.

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How to enable it:

To support Link Mode add a universal link for your wallet in Cloud project configuration dashboard, configure your Metadata with a valid universal link and set the linkMode property to true: 
const walletKit = await WalletKit.init({
  core,
  metadata: {
    name: "Demo React Native Wallet",
    description: "Demo RN Wallet to interface with Dapps",
    url: "www.reown.com/walletkit",
    icons: ["https://your_wallet_icon.png"],
    redirect: {
      native: "yourwalletscheme://",
      universal: "https://example.com/example_wallet",
      linkMode: true,
    },
  },
});

​
Platform specifics:

To enable universal links for your app, refer to React Native Documentation.
After following the steps provided in the official guide:
  1. Ensure that you handle incoming Universal Links in the your AppDelegate.mm file.
#import <React/RCTLinkingManager.h>

// Enable deeplinks
- (BOOL)application:(UIApplication *)application
   openURL:(NSURL *)url
   options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options
{
  return [RCTLinkingManager application:application openURL:url options:options];
}

// Enable Universal Links
- (BOOL)application:(UIApplication *)application continueUserActivity:(nonnull NSUserActivity *)userActivity
 restorationHandler:(nonnull void (^)(NSArray<id<UIUserActivityRestoring>> * _Nullable))restorationHandler
{
 return [RCTLinkingManager application:application
                  continueUserActivity:userActivity
                    restorationHandler:restorationHandler];
}
  1. Open your project in XCode and go to Settings/Signing & Capabilities/Associated Domains to add the new domain. After this, your_project.entitlement should look like this:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>com.apple.developer.associated-domains</key>
  <array>
    <string>applinks:example.com</string>
  </array>
</dict>
</plist>
  1. Update/Create your domain’s .well-known/apple-app-site-association file accordingly.
For more information about supporting universal links, visit the Supporting associated domains pageFor a debugging guide, visit the Debugging Universal Links page.
Once everything is properly configured, and the user interacts with a Link Mode-supporting dApp, your wallet will receive requests through it.