TIME CAPSULE 2.0
"Preserve memories, unlock the future – A secure digital time capsule for storing and sharing moments over time."
Created on 23rd February 2025
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TIME CAPSULE 2.0
"Preserve memories, unlock the future – A secure digital time capsule for storing and sharing moments over time."
The problem TIME CAPSULE 2.0 solves
Memories and important moments often get lost in the chaos of social media, cloud storage, and messaging apps. There is no structured way to store, secure, and unlock memories at a future date.
How People Can Use It
Personal Memory Vault – Store personal thoughts, photos, and videos to revisit in the future.
Time-Locked Messages – Send messages to your future self, friends, or family, unlocking on a chosen date.
Collaborative Capsules – Groups can contribute to shared capsules for special occasions, like birthdays or anniversaries.
Secure Digital Preservation – Encrypted storage ensures memories remain safe until the right moment.
Challenges we ran into
Building the Digital Time Capsule came with its own set of hurdles. Here are some key challenges and how we overcame them:
- Secure Data Encryption & Access Control
Problem: Ensuring that capsules remain private and only unlock at the right time was tricky.
Solution: We implemented JWT authentication for secure access and used Firebase Firestore rules to restrict unauthorized access.
- Time-Based Unlock Mechanism
Problem: Preventing users from manually changing system time to access capsules earlier.
Solution: We used server-side timestamps (PostgreSQL/Firebase) instead of client-side time, making manipulation impossible.
- Handling Large Media Files
Problem: Storing and retrieving large images/videos without slowing down performance.
Solution: We integrated cloud storage with optimized compression and lazy loading techniques for smooth access.
- Real-Time Collaboration on Capsules
Problem: Multiple users editing the same capsule led to synchronization issues.
Solution: We used WebSockets to enable real-time updates and prevent conflicts.
Each challenge pushed us to improve the system, making it more secure, efficient, and user-friendly! 🚀
Tracks Applied (1)
WebDev
Technologies used