QCard

QBit Ecosystem

No Wallet Signature Required Below Limit

On-Chain U-Card
for Web3 Natives

Bind your wallet. Set your limit. Spend without signing.
A new paradigm of on-chain payment security.

Wallet Address

Deposit (USDT)

Spend Limit

🔐

Enhanced Security Mode

Transactions below $100 auto-approve without wallet signature. Reduces private key exposure by up to 95%.

🛡️

Transactions below limit auto-approve via smart contracts. Private key stays 100% cold.

🌌

Native QBit chain settlement engine. Not Visa, not Mastercard — the purest Web3 core.

⚡

Deposit USDT from any cross-chain wallet. Dashboard reflects balance with zero latency.