Filecoin is solving a real consumer problem (needing backup storage but having empty local capacity,) using blockchain protocols!
https://filecoin.io/blog/filecoin-proof-system/
Blockchain problems can sometimes be replaced with simpler tech, but this seems like a great match.
miniblog.
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I find it really interesting how some areas of tech are widely expected to improve radically (e.g. LLMs and smart home tech), others gradually (CPU speed, battery capacity) and others very slowly (e.g. compiler optimisations).
Predicting the future is hard.
Using a Box<str> in Rust: https://mahdi.blog/rust-box-str-vs-string/
(Unlike String, it isn't resizable, so it doesn't need to store capacity. Box<str> is only two words, unlike the three words in String!)