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can <https://kotlin.github.io/kotlinx.coroutines/kotlinx-coroutines-core/kotlinx.coroutines/-deferred/|deferred> value be shared between different scopes? Create builder in one, then start and await in another.

as stated:
&gt; All functions on this interface and on all interfaces derived from it are thread-safe and can be safely invoked from concurrent coroutines without external synchronization.

thanks for clarification, that's what I was thinking but I wasn't sure because it doesn't say scope per se

The concept of "coroutine scope" is just a convention for job hierarchies, along with some types and syntax to make it easy. In general, a suspend function (such as Deferred.await) can be called by any coroutine, regardless of Job, and any limitations on this should be very clearly documented. No such limitations exist on Deferred.