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Ryntra Guard

New payment request

Get paid and send USDC on Arc Mainnet. Every payment is checked before your wallet signs it and closed with a receipt anyone can verify. Ryntra holds no keys and no funds.

Balance

Connect a wallet to see its USDC and EURC.

Get paid

A payment link and a QR code in USDC.

Create a request

Send

Pay any address in USDC from your own wallet, checked first and receipted after.

  1. Check
  2. Approval
  3. Signature
  4. Receipt
Send USDC

Proven on chain

  • Arc MainnetFirst mainnet canary1 USDC
    24 Sep 2026 · Founder-signed in the wallet, under a hard cap
    Receipt
What Ryntra does and does not do
  • Ryntra holds no keys and no funds: every payment is signed in the payer's own wallet.
  • Checks cover payments prepared in Ryntra. A wallet can still sign anything outside it.
  • Arc Mainnet in early access: every payment has a ceiling, and payments can be paused at any time.
  • Ryntra does not check who asks to be paid. Pay only people you know.
  • A payment request is kept for this browser; there is no team sign-in yet.
  • Not audited. Not financial advice.
Ryntra Guard