RelayZero
Online

Robinhood Chain mainnet · SMS-first · local custody

Text money. Keep moving.

Verify once, then send bounded ETH to another registered phone by ordinary SMS. Text SEND, review the exact quote, and reply YES with its expiring code—no payment link or browser confirmation required.

Mainnet: Checking live servicesChecking carrier SMS, bounded execution, storage, and Robinhood mainnet providers.
Read documentation

Live capability map

What RelayZero can do now

Open system status
Verify a private phone account

Twilio OTP binds one encrypted phone identity to one locally controlled wallet.

Ready
Create or connect a wallet

The owner key is encrypted in this browser and is never stored by the server.

Ready
Activate bounded SMS spending

Deploy a revocable smart wallet and choose transaction, daily, lifetime, and fee caps.

User setup
Pay a registered phone by SMS

SEND creates an exact expiring challenge; YES authorizes at most one transaction.

Needs attention
Use RelayZero without internet

The installed PWA keeps encrypted snapshots, cached contacts, signing, history, and queue state local.

Available
Carry a signed packet

QR, encrypted file, copy, NFC, or nearby share can reach any connected relay later.

Ready
Carrier SMS command route

Checking the effective Twilio number and Messaging Service route.

Checking
Proposal-only AI assistant

OpenRouter prepares typed drafts but cannot confirm, sign, send SMS, or broadcast.

Checking

One payment, four clear stages

How SMS mainnet payment works

  1. 1
    Set up once

    Verify your phone, connect or create a recovery wallet, and approve strict smart-wallet limits.

  2. 2
    Text SEND

    Send SEND 0.001 ETH TO +48… to the RelayZero number from your verified phone.

  3. 3
    Reply YES

    RelayZero returns the registered recipient, exact amount, asset, fee cap, expiry, and one-time code.

  4. 4
    Track honestly

    Both phones receive submitted and final confirmed or failed receipts with mainnet evidence.