BITTY BOX • LOCK SIM
URL-Resident WebCrypto Engine
Programmable Access Rules • Zero-Knowledge

Tiny, Private Web Experiences with Programmable Access Rules

Client-side encrypted vaults residing entirely inside the URL hash. Solved with WebCrypto, Shamir's Secret Sharing, and browser sensor proofs. Zero servers. Zero leaks.

25
Lock Specs
16 Live • 9 Roadmap
URL
100% Client-Side
Zero Backend Transfer
K-of-N
Shamir Combos
AND / Threshold OR
Open the Bitty Box Editor → Try the Lock Console below

Interactive Lock Combiner & Ceremony Console

Live WebCrypto + Client-Side Verification Environment • AES-GCM (256-bit)

Configured Locks in Current Ceremony (3): Click any lock to remove or jump to challenge
Threshold (K of N):
Shamir polynomial target

Active Verification Challenges

Ceremony Resolution: 0 of 3 Shares Acquired
WebCrypto Live Inspector
> [Init] WebCrypto engine ready.
> [Setup] Initialized Shamir Secret Sharing polynomial.
> [Ready] Awaiting user verification proofs...
Decrypted Vault Payload Sealed
Ciphertext locked. Solve required locks to reconstruct the AES-256-GCM master key.
Production Playbooks

Unique & Fun Lock Combinations

Real-world scenarios for ultra-creative, highly specific access patterns. Swipe sideways →

← swipe to explore all 8 playbooks →
Programmable Specification

Live & Functional Locks (16) All on 1 Marquee Row

16 client-side WebCrypto locks ready today. The 9 locks requiring hardware or backend engineering are in the roadmap modal.

All 16 Live Locks

← swipe horizontally to explore all 16 live locks →