A Sanctuary Built for Words That Must Wait.
The internet became too fast, too loud, and entirely too forgetful. We built Unseal to restore the sacred ritual of writing to the future—guaranteed by mathematics, sealed with digital wax.
We believe memory should not be an ad-supported commodity.
Every major cloud service today operates on surveillance incentives: your photos are parsed for training machine learning models, your drafts are scanned for advertising affinity, and your private notes sit unencrypted in corporate data warehouses[cite: 2].
Unseal was created under a radically different premise: zero-knowledge architecture. We engineered our platform so that even if subpoenaed by authorities, breached by adversaries, or managed by rogue operators, your letters remain mathematically inaccessible until their unlock day arrives.
“If our servers are ever compromised, the attackers walk away with pure static.”
Built on Unbending Principles
Zero-Knowledge Cryptography
We do not ask for your trust; we provide cryptographic proof. Every message is sealed directly inside your web browser with client-side AES-GCM-256 before leaving your machine. We store only ciphertext—no engineer, database admin, or AI scraper can decipher your words.
Uncompromising Temporal Locks
In a hyper-connected world addicted to instant notifications, true value lies in patient waiting[cite: 1, 4]. Once a capsule timer is set, the protocol respects the designated passage of time[cite: 3]. There are no early-access overrides, shortcuts, or premium acceleration fees.
Cryptographic Sovereignty
You hold the sovereign keys to your own past. Through decentralized emergency recovery tokens, creators can update destination emails or permanently burn their locked payload into digital ash whenever they decide.
A Sanctum for Deliberate Thought
Modern internet platforms are designed for the next 24 hours of ephemeral feeds[cite: 2]. Unseal is designed for who you will become three, five, or ten years down the road—a safe harbor for confessions, forgotten promises, and unedited truths.
Evolution of the Protocol
The Manifesto
Conceived as an antidote to ephemeral social feeds and algorithmic surveillance.
Zero-Knowledge Engine
Transitioned to browser-native Web Crypto API with zero server-side plaintext custody.
The Public Ledger
Decrypted community archives launch, allowing unlocked anonymous reflections to inspire the world.
Speak to Who You Will Become.
Seal your first capsule today. The words will remain untouched until the hour of their unsealing arrives[cite: 2, 4].