Security
JWT vs Session Cookies: The Complete 2026 Guide
A deep dive into JSON Web Tokens vs server-side sessions — security tradeoffs, storage options, revocation, and when to use each.
May 28, 2026·7 min read
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Guides, tutorials, and security analysis on authentication, JWTs, MFA, and building secure web applications.
GuidesFeatured
Clerk Alternative: Self-Hosted Auth That Saves You $800/Month
Tired of per-MAU pricing? Vaultix-ID is a Clerk-compatible, self-hosted authentication platform that runs on Vercel + Supabase with no per-user fees.
June 5, 2026·8 min readRead article →
Tutorials
How to Add Magic Link (Passwordless) Auth to Your Next.js App
Step-by-step guide to implementing magic link authentication in Next.js — how it works, security considerations, and when to use it.
May 20, 2026·6 min read
Security
TOTP MFA: The Developer's Complete Guide to Two-Factor Auth
Everything developers need to know about TOTP MFA — the math behind it, why it beats SMS 2FA, and how to implement it securely.
May 12, 2026·9 min read
Architecture
Multi-Tenant SaaS Auth: Organizations, Roles, and Tenant Isolation
How to architect multi-tenant authentication for B2B SaaS — data model, JWT org context, row-level security, and RBAC patterns.
May 5, 2026·10 min read
Topics
clerk alternativeauth0 alternativeself-hosted authnextjs authenticationjwtsession cookiesauthenticationweb securitymagic linkpasswordless authnextjsemail authenticationtotpmfatwo-factor authentication2fasecuritymulti-tenantsaasrbacorganizationsb2b auth