Guaranteed private RFQs for native XRP

Delivery wins.
Default pays.

Cinder lets buyers escrow USDT0 while independent makers compete through sealed quotes and lock FXRP performance bonds. FTSOv2 protects the price. FDC proves either XRP delivery or non-payment, then settles without a broker.

Inspect real outcomes Test the demo

Live testnet evidence

Two outcomes. One guarantee.

Switch between a successful delivery and a missed-payment default. Every transition opens in its native explorer.

Revealed quotes

Competition result

2 recorded quotes

Open escrow contract

Choose an outcome, then verify its testnet receipts.

Meaningful Flare integration

Five modules, cleanly separated.

Escrow, market competition, bond custody, pricing and cross-chain proof verification each have one job.

01 / USDT0

Guaranteed escrow

Holds the buyer's real test stablecoin until proof selects the outcome.

02 / MATCHER

Sealed competition

Two maker wallets commit and reveal domain-separated quotes.

03 / FXRP

Performance bond

The winner's bond is returned on delivery or slashed on default.

04 / FTSOv2

Fair price guard

The winning quote must stay within a 1.25% live XRP/USD band.

05 / FDC

Dual proof settlement

Payment releases escrow; non-payment refunds and compensates the buyer.

Live now

Commit-reveal matcher V2

No operator key can select a winner.
Quotes are hidden during bidding.
Separate matcher adapter can be replaced.

Optional adapter

FCC when runtime is dependable

The escrow does not depend on FCC availability.
A future confidential matcher can implement the same boundary.
No unsupported FCC claim is made in this build.

Judge-ready testing

Verify first. Transact second.

The guaranteed flow is pre-executed with real USDT0, FXRP, XRPL and FDC hashes. The sandbox lets any judge create a fresh wallet-signed Coston2 transaction.

Self-service transaction sandboxUses isolated dcUSD V1 ↓

1. Connect

Switch a test wallet to Coston2.

2. Claim

Mint one public test allocation.

3. Create

Lock 10 dcUSD in a fresh RFQ.

XRPL destination

4. Commit

Submit a hidden FTSO-valid quote.

USD / XRP

5. Reveal

Unlocks after bidding closes.

6. Finalize

Unlocks after reveal closes.

Ready. Connect a Coston2 test wallet to create a real transaction hash.

Why two surfaces? The primary guarantee demonstrates production-shaped USDT0/FXRP economics with controlled maker roles. The public sandbox isolates faucet liquidity while still letting anyone test the deployed contracts and receive a real explorer-verifiable hash.