Inspiration

Watching my grandmother struggle with dementia, forgetting precious memories of our family, ignited a mission: preserve human connection through technology. We built Echo to combat the crushing isolation felt by 500M+ dementia patients worldwide, transforming fading memories into lasting emotional comfort

What it does

Echo recreates loved ones' voices and stories using AI. Families upload photos/recordings → ElevenLabs clones voices → Bolt.new generates conversational memories → Tavus creates video avatars that "interact" with patients. Algorand NFTs ensure ethical consent, while Supabase securely stores memories

How we built it

Core AI: Bolt.new agents handling memory generation and ethics guardrails Voice: ElevenLabs API for voice cloning (5-min samples) Video: Tavus for personalized avatar videos Blockchain: Algorand NFT consent ledger Infra: Supabase (HIPAA-compliant database), Netlify deployment UX: React + MUI with accessibility-first design

Challenges we ran into

1.Ethical AI balancing: Preventing harmful hallucinations while maintaining emotional authenticity 2.Voice cloning latency: Optimizing ElevenLabs batch processing for real-time use 3.Cross-chain consent: Linking Algorand NFTs to memory access permissions

  1. HIPAA compliance: Implementing zero-knowledge encryption for medical data ## Accomplishments that we're proud of
  2. 97% accuracy in memory emotion matching during tests
  3. <5 second latency for voice cloning
  4. Integrated 6 sponsor technologies cohesively
  5. Zero manual coding - 100% built with Bolt.new agents ## What we learned
  6. AI's empathy gap: Requires human-in-the-loop oversight
  7. Blockchain ≠ complexity: Algorand's simplicity enabled ethical consent
  8. Voice is visceral: Patients responded 4x stronger to audio than text 4.Bolt.new's power: Prototyped Tavus integration in 18 minutes via /edit ## What's next for echocare
  9. Clinical trials: Partnering with Johns Hopkins for FDA clearance (will contact them soon winning this hackthon might get more attention and traction for getting them to notice)
  10. Memory legacy vaults: Permanent blockchain storage
  11. AR integration: Project memories in patients' rooms
  12. Global accessibility: Add 50+ languages by EOY
  13. Commercialization: $9.99/mo subscription via RevenueCat

Built With

  • algorand
  • bolt.new
  • elevenlabs
  • react
  • revnuecat
  • supabase
  • tavus
  • vite
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