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This blog post was published more than one year ago and might be outdated!
· 2 min read
Stephan Hochdörfer

While working on this prooph components powered API, I realized it would make sense for our mobile client to know when data changed on the server-side without constantly pulling all data from the API and comparing it locally. In a "traditional" application I would have used a checksum mechanism - e.g. creating a checksum of all the data in the datastore - but with an event sourced application this is no longer needed as we can simply rely on the timestamp of the last event happened to know if things have changed.