Mutable class with a convert-to-immutable-version method The previous pattern is suitable for read-only data whose usage is short-lived (e.g., scoped to a method).

In Mutable and Immutable Objects, David O’Meara specifies that there are two approaches for ensuring methods are not overridden in a class designed to be immutable.

While blockchain platforms may be the darling of the Web3 application movement, there are a lot of thorny issues that make deploying them widely a major challenge.