Cryptomator
>Cryptomator offers multi-platform transparent client-side encryption of your files in the cloud.
AES 256bitで暗号化する
macだけならSparse Bundleを使う手もある
Apple silicon世代のMacはFUSE-Tが推奨されている
ただし1.8.0のUI上はExperimentalになっている
>Dir listing is really fast (x2), but sequential throughput is slow (x0.3).
>Performance, FUSE-T offers much better performance and this is due to excellent macOS client side NFSv4 implementation
と矛盾した結果