Yep, you're right. The book[1] has a much more fleshed out version of this example that uses a random guid as the key, plus a whole lot more. [1]: https://www.

Yep, you're right. The book[1] has a much more fleshed out version of this example that uses a random guid as the key, plus a whole lot more. [1]: https://www.petekeen.net/mastering-modern-payments https://www.petekeen.net/mastering-modern-payments