Use Cases
QBridge isn’t theoretical — it solves tangible problems across finance, compliance, and asset interoperability. Below are five use cases where QBridge transforms legacy processes into quantum-secure,
🏛 Tokenized U.S. Treasuries
Example: Ondo, MatrixDock, or Franklin Templeton issuing T-bills on-chain
🔁 Challenge:
Tokens issued on Ethereum or private L2s
Secondary market liquidity exists on Solana or other chains
Jurisdictional compliance (e.g. U.S. investor whitelist) must persist cross-chain
✅ QBridge Enables:
Seamless transfer of T-bills with legal wrapper metadata
Enforced whitelist on both origin and destination chain
Long-term durability via quantum-proof asset security
📎 "T-BILL-43B", jurisdiction: US, maturity: 06/2027, yield: 5.2%
🏢 Commercial Real Estate Shares
Tokenized building ownership — e.g. in Hong Kong, Tokyo
🔁 Challenge:
Real estate tokens hold yield rights, occupancy metadata, tenant tags
Legal rights must survive cross-chain transfers
✅ QBridge Enables:
Full metadata persistence
Investor eligibility enforcement (e.g. local vs foreign ownership laws)
Chain-agnostic real estate liquidity
📎 "RE-UNIT-HK", ownership: 3%, yield-share: 1.7 ETH/yr, restricted: CN investors
📄 Invoicing & Trade Finance
Cross-border exporters tokenize invoices for liquidity
🔁 Challenge:
Invoice issued on Polygon or Base
Needs to be collateralized on Solana DeFi (or vice versa)
Risk rating + issuer data must travel with invoice
✅ QBridge Enables:
Enriched token transfer: invoice metadata, terms, ratings
AI-based counterparty scoring
Enforced maturity enforcement by receiving protocol
📎 "INV-3021", amount: $75K, due: 60 days, issuer risk: A-
🌿 Carbon Credits
On-chain credits linked to registries like Verra or Gold Standard
🔁 Challenge:
Prevent double counting across chain hops
Maintain retirement status and provenance
✅ QBridge Enables:
Registry ID and retirement metadata embedded in bridge payload
zkLedger enforces transparency
Prevents credit duplication/sale fraud
📎 "CC-VERRA-218", issued: 2022, retired: yes, linked chain: Polygon
💼 Private Equity & VC Shares
Tokenized SAFE, equity contracts, and fund shares
🔁 Challenge:
Shares issued on private L2s (for compliance)
Need to trade on DeFi (public) under strict eligibility constraints
✅ QBridge Enables:
Uses zkKYC for investor eligibility enforcement
On-chain proof of accreditation — no user data leak
Controlled trading zones per region/fund
📎 "SAFE-ALPHA", Series B, lock-up: 6 mo, accredited-only
🧠 Visual Suggestion: Use Case Cards Grid
Each card:
Top left: Icon or image (e.g. bank, building, invoice)
Center: Use case title
Bottom: Short 3-bullet benefit list
Expand on click (accordion or modal) to view metadata structure + flowchart
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