Send crypto.
No internet
needed.

The first crypto wallet that works both online and offline. Send SOL and USDC via SMS. No Wi-Fi, no data, no problem.

Download for AndroidBuy OffChain
OffChain wallet app
SMS Mode active
0s
Wallet setup
0 KB
Data required
∞
Global coverage

Features

Everything your wallet
should be.

Works Offline

Send tokens from anywhere. OffChain routes your transaction via SMS with no data connection needed.

Core feature

Built-in AI Agent

Type what you want. Swaps, sends, price checks handled instantly without switching apps.

Buy & Sell Tokens

Trade any Solana SPL token directly inside the app.

Self-Custody

Your keys never leave your device. We never see or touch your funds.

Instant Setup

Functional wallet in under 60 seconds. No paperwork, no KYC.

No Account Needed

Fully usable without registration. Maximum privacy.

How it works

Four steps.
No internet needed.

1

Open OffChain

Your wallet is ready immediately. No sign-up or registration required.

2

Select a Token

Pick SOL, USDC, or any SPL token from your balance.

3

Enter Address

Paste the recipient's wallet address and the amount.

4

Hit Send

OffChain dispatches the transaction via SMS, even with zero data.

Offline mode

No internet? OffChain dispatches your transaction via SMS. It goes through regardless of connectivity.

Built-in AI Agent

Stop juggling dapps.
Just type what you want.

A full AI agent lives inside your wallet. Swap, send, check prices. No browser, no dapp, no extra apps.

9:41
OC
OffChain Agent
ready
swap 0.5 SOL to USDC
Swapping 0.5 SOL to USDC at best route. Confirm with PIN
Done. 0.5 SOL to 89.42 USDC
what's my portfolio worth?
Portfolio: SOL 4.20 $672 USDC 89.42 $89 BONK 2.1M $38 Total: $799.42
Tell the agent what to do...
↑
  • Swap, buy and sell by typing a command
  • Check prices and portfolio value instantly
  • Send to any address without leaving the app
  • Browse trending tokens and market caps
  • No dapp browser, no wallet connections
  • 5 free requests daily, more with token

One app, everything included. The agent lives inside your wallet. No dapp switching, no wallet approvals. You type, it executes.

FAQ

Common questions.
Straight answers.

Everything you need to know about OffChain and SMS-based crypto transfers.

When you hit Send, OffChain encodes your signed transaction into a compressed SMS payload and routes it through our relay network. The relay broadcasts it to the blockchain on your behalf.

Still have questions? Reach us on Telegram.

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Get started

Ready to send crypto
anywhere?

Download OffChain and start sending Solana transactions via SMS today.

Download for AndroidiOS

Available for Android · iOS coming soon