Rust's ownership model does much more than ensuring memory safety. Here's some code I wrote yesterday that implements a basic work-stealing algorithm within a tokio context to get asynchronous parallelism of a large data load. All protected by ownership! https://github.com/fpco/cosmos-rs/pull/55/files#diff-1bbfec07873b3611e11ddbe1934c20bc353f01174a416408aefd9a4b8dd193a2R91
Yes, this project is focused on crypto, which is my main focus at work these days. Doesn't take away from the beauty of Rust.