Products/Gold-Linked PPN
Sepolia
Vellum Notes

Gold-Linked Principal-Protected Note

Programmable investment agreements with encrypted terms and on-chain payoff computation. Strike and leverage stay sealed; the payoff computes on ciphertext and unlocks only for the holder.

note0x130c…55F0oracle0x984f…18BBSepolia
Matured · Settled
#0
Holder
0xF979…1ab5
Reference
XAU/USD at maturity
Encrypted terms
strike and leverage sealed
IssuedSettledClaimedHolder reveal
Terms stay encrypted

Strike, leverage, and payoff handles are stored as ciphertext, not hidden by the frontend.

Payoff computes on-chain

The settlement path executes against deployed Sepolia contracts and oracle references.

Holder-only reveal

The result decrypts locally after the authorized holder signs an EIP-712 request.

Payoff

computed on encrypted terms
Principal floor · 1.00Ceiling · 51.00▓▓▓strike▓▓▓ cUSDTGold (XAU 4,175) reference at maturity · public

Shape is public. Strike, leverage, and the holder payoff stay encrypted.

Your payoff
▓▓▓▓▓▓
Principal
1.00 floor
Cap
band to 51.00
Try it live
NetworkSepolia
Holder wallet0xF979…1ab5
Payoff▓▓▓▓

Terms

encrypted on-chain
Strike▓▓▓▓▓
Leverage▓▓▓
Reference assetXAU/USD
StatusClaimed
Only the authorized holder can decrypt the sealed terms and payoff.
Settled on-chain · 0x130c…55F0 ↗