HHO Cash
How it Works Trade

Institutional-Grade Non-Custodial OTC Escrow

On-chain settlement for professional counterparties. Immutable smart contract, deterministic 2% fee (seller only), zero credential surface.

2% deterministic fee Non-custodial lock Zero KYC / data On-chain transparency
🛡️
MetaMask Security Notice: If you see a "This is a request with the intent of deception" warning, it's a false positive. Our contract is fully verified on Polygonscan. Blockaid's automated system flags new contracts. You can safely proceed by clicking "I accept the risk".

Core Advantages

On-chain

Deterministic Settlement

Atomic smart contract execution — no hidden state or custody risk

Privacy

Zero Credential Surface

No accounts, no data retention — address-only interaction

Fees

Predictable Economics

Flat 2% seller fee. Buyer pays nothing. No tiers or surprises

Wallet

Non-Custodial Escrow

Funds locked only when you create an offer — remain yours until execution

Speed

Fast Settlement

Polygon network finality enables near-immediate OTC completion

Automation

Immutable Logic

Contract deployed, fixed and observable — no centralized switching

Execution Flow

On-chain OTC workflow engineered for counterparties.

1

Connect Wallet

Load interface using any EVM-compatible wallet

2

Create Offer

Define assets, amount, expiration — escrow locks seller funds

3

Distribute Link / QR

Cryptographic share token (32-char) uniquely identifies escrow

4

Counterparty Signs

Buyer reviews precise amounts then authorizes swap on-chain

5

Atomic Execution

Contract performs settlement & fee deduction; escrow closes

Centralized Risk vs On-Chain Escrow

Structural differences across custody, privacy, execution latency.

Problem with Centralized Platforms
How HHO.cash Solves It
Mandatory KYC & data retention
Address-only; zero credential surface
Custodial asset exposure & freezes
Funds remain in wallet until atomic execution
Opaque multi-layer fees
Flat 2% seller fee / 0% buyer
Operational delays & withdrawal throttling
Direct on-chain execution & finality

Supported Polygon Assets

Live set of enabled assets for escrow-based atomic settlement.

All Pairs Enabled

MATIC USDT USDC WBTC WETH

Full cross-pair support across listed tokens on Polygon

Initiate a Private OTC Swap

Deploy an escrow offer, share the cryptographic link and let the contract enforce execution and fee logic.

🔐 Private Swap Offer

⏱ Loading...

Swap Details

-- --
→
-- --
Seller: --
Expiration: --
Status: ● Loading

🛡 Security Notice

  • This is a peer-to-peer escrow transaction
  • Seller's funds are locked in smart contract
  • 2% fee deducted from seller's amount
  • Verify amounts carefully before accepting

Create Private Swap

Set up a secure peer-to-peer trade with smart contract escrow

🔒 2% flat fee ✅ Audited 🕵️ Private

Create Private Trade

Lock funds in escrow and share the link with your counterparty

2% flat fee Audited Private

Create Secure Offer

Select token
USDT USDT
USDC USDC
WETH WETH
WBTC WBTC
MATIC MATIC
Select token
WETH WETH
USDC USDC
USDT USDT
WBTC WBTC
MATIC MATIC
Amount: 10 USDT
Fee (2.00%): 0.200000 USDT
You receive: 9.800000 USDT
ⓘ Prices from coingecko_auth

🎉 Offer Created Successfully!

⏱ Expires in: --:--

Share this link with your counterparty:

Offer Details:

You're selling: --
Buyer receives: --
Status: ● Active

Offer Details

QR Code for trading:

Share this QR code for quick trading

×

🎉 Offer Created Successfully!

Share this link with your counterparty:

Operation Status