You could make it able to sign transactions from the account with something like a Java ring: https://www.javaworld.com/article/2076641/learn-java/an-introducti

You could make it able to sign transactions from the account with something like a Java ring: https://www.javaworld.com/article/2076641/learn-java/an-introduction-to-the-java-ring.html https://www.javaworld.com/article/2076641/learn-java/an-intr... Though for a wedding ring you'd clearly need a different look.