Own your work. Collaborate globally. Trust the blockchain. ScribeChain is a decentralized platform for real-time document and whiteboard collaboration.
Decentralized Real-Time Collaboration — Own your work. Collaborate globally. Trust the blockchain. ScribeChain is a decentralized platform for real-time document and whiteboard collaboration. Your work is secured on the blockchain, accessible from anywhere, and owned by you. No central servers, no limits—just pure, peer-powered creation. Demo Link
On-chain real-time editing with live cursor tracking
Multi-user collaboration with instant updates
Decentralized storage — Own your documents, access from anywhere
Personal on-chain library — Managed by your wallet
Cross-device sync — Work seamlessly across all devices
Wallet-based authentication — No email, no passwords
Interactive whiteboard for diagrams and sketches
On-chain real-time collaboration
Multi-user cursors — See where others are working
Decentralized save — Store drawings on-chain
Personal drawings library — Access your creations anywhere
Wallet-based authentication
No central authority — You own your data
Cryptographic security
Blockchain & IPFS integration for reliable, censorship-resistant storage
Personal workspace for each wallet
Visit the homepage
Choose your tool: Doc Online or ExcaliDraw
Click "Create New Session"
Start collaborating - Share the URL with others
Get the session ID from a collaborator
Click "Join Existing Session"
Enter the session ID
Start collaborating in real-time
Sign in to access personal features
View your saved documents and drawings
Access your work from any device
Organize your personal library
Mantle Sepolia Smart Contracts — Document metadata and ownership
Go — Backend API for off-chain features
WebSockets — Real-time bidirectional communication
IPFS/Supabase — Decentralized document and drawing storage
Next.js 14 — React framework with App Router
TypeScript — Type-safe JavaScript
Tailwind CSS — Utility-first CSS framework
Ethers.js / Web3.js — Blockchain interaction
The core document ownership logic is handled by a smart contract deployed on the Mantle Sepolia Testnet.
Contract Address: 0xC2e108eBACC7Ea1dB63C7db5114828A0377d0f6F
Network: Mantle Sepolia Testnet