How to do Bitcoin at Walmart?

Excuse me, could you please elaborate on the process of purchasing or utilizing Bitcoin at Walmart? As far as I'm aware, Walmart doesn't directly facilitate Bitcoin transactions in their stores. Are there any third-party services or kiosks within Walmart that allow for the exchange of cash for Bitcoin, or is there a way to use Bitcoin to make purchases at Walmart? Additionally, are there any security measures I should be aware of when dealing with Bitcoin at such locations? I'm interested in learning more about the practicalities of integrating Bitcoin into my shopping experience at Walmart.