Some recent updates to the Intelligent Tracking Prevention (ITP) in the current version of iOS may have gotten rid of the burner wallets for iPhone users. A burner wallet is a non-custodial wallet that allows a user to store their private key in the browser's local storage. In a recent change that Apple made in its Safari web kit engine, this ability to store the key may have gone away. The update was made to enhance the user's privacy.

The change is set up to cap the expiration date of cookies on the client side to seven days. This means that a burner wallet will go away after seven days. A lot of users set up their burner wallets to last longer than seven days, even though the service was never meant to work that way.

There is still one exception to the burner wallet rule change. It is possible to add an app to the Safari home screen. Thee is a blog posts announcing this. The blog post explains that the seven day cap on script writing storage has a seven day gate without any user interaction on the site. This is how it works in Safari. A web app on the home screen is not part of Safari and has its own day counting setup. The days will match the use of the web application. The web app can reset the timer. Apple does not expect the first party in a web app to have its website info go away.

Users should keep in mind that adding a burner wallet to the home screen is not an easy thing to do. A Google software engineer explained that there is no simple way to prompt a user to add a website to their home screen. The user has to find a button hiding inside of Safari's share panel. The burner wallet will probably show a warning to the Safari user. They can then add the wallet to the home page and secure the funding. Nobody knows how many Safari or iPhone users around the world have a burner wallet.