Linux Hint published a tutorial about encrypting a Btrfs Filesystem.
How to Encrypt a Btrfs Filesystem?
How can you start with Btrfs Filesystem Encryption? Encrypting a storage device using LUKS 2 encryption technology with cryptsetup, encrypting storage devices and format it with the Btrfs filesystem, as well as automatically decrypt the encrypted storage device and mount it at boot time are all taught in this article.
