カリャナーレ is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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As far as writing notes to yourself in a "secret code" that you want to be able to actually read later, Quikscript is terrible (I forgot how to read it already). でも、エスクリビルエスパニョルコンカタカナはmuch better.
Even if the chances someone else will understand your note are higher.