Foundations7 min read
What Is a One-Time Secret Link?
How one-time secret links work, when they reduce exposure, and which risks they cannot remove.
FiniteRelay guides
Share less risk, not just more data.
Practical explanations and repeatable workflows for passwords, API keys, encrypted files, expiring links, and client handoffs.
Practical guides8 min read
How to Send a Password Securely
A practical workflow for sharing an initial or temporary password without leaving it in email or chat history.
For teams8 min read
How to Share API Keys and Access Tokens Safely
Reduce exposure when a machine credential must move between developers, clients, or environments.
Encryption9 min read
Secure File Sharing with Client-Side Encryption
What browser-side encryption protects during file sharing, and how to evaluate an encrypted transfer service.
Encryption8 min read
End-to-End Encryption vs. Zero-Knowledge: What Is the Difference?
A plain-language guide to two security terms that are often used as if they mean the same thing.
Risk reduction7 min read
Why Expiring Links Reduce Data Exposure
How short retention and one-time retrieval reduce the window in which sensitive information can leak.
Comparisons8 min read
Email Attachments vs. Encrypted File Sharing
Compare persistence, encryption boundaries, access control, and deletion before sending a sensitive file by email.
For teams9 min read
How to Share Sensitive Information with Clients
A repeatable client-facing workflow for credentials, documents, onboarding details, and confidential handoffs.
Practical guides7 min read
Password-Protected Links: 10 Best Practices
Use passphrases, separate channels, short expiry, recipient verification, and rotation to make protected links safer.