What happens after the link is opened?
The secret is destroyed after the allowed view so the same link cannot reveal the content again.
Generate an encrypted burn-after-reading link for passwords and notes. After the recipient views it, the secret is permanently destroyed.
Your text is stored as ciphertext. The link carries what is needed to decrypt on reveal. After the allowed view, the ciphertext is deleted.
The secret is destroyed after the allowed view so the same link cannot reveal the content again.
Same job — ephemeral encrypted notes — available at rookvpn.com/secret with optional passphrase protection.