The crypto walletthat workseven offline.
Send, receive, swap and trade across six chains, right from your phone. No internet? OffChain sends your transaction over SMS. No sign-up, no KYC, no phone number required.
One wallet, six networks
Everything in one app
A full wallet, not just a place to hold coins.
Send crypto with no internet.
When you have no Wi-Fi and no data, OffChain encodes your signed transaction into a text message and routes it through our relay to the blockchain. All you need is a cellular signal.
- Works on just a cellular signal: no data plan
- Transactions are signed on your device first
- Get a confirmation call when it lands
Six networks, one wallet.
Hold and move SOL, ETH, BTC, BNB and tokens across Ethereum, Solana, Bitcoin, BNB Chain, Arbitrum and TON, all from a single balance screen. Any SPL, ERC-20 or Token-2022 asset is supported.
- Native coins plus every SPL / ERC-20 token
- One tap to switch networks
- Hide dust, pin the coins you care about
Swap any token at the best price.
Trade any token in seconds with routing across the deepest liquidity. Buy, sell and swap without leaving your wallet: no dapp browser, no wallet connections, no approvals to sign.
- Best-route swaps across top aggregators
- Buy and sell in the same screen
- Confirm with your PIN: keys never leave the device
Trade perps with up to 50× leverage.
Go long or short on majors right inside your wallet. Real-time PnL, funding, and cross-margin positions, fully self-custodial, so your collateral stays under your keys.
- Long or short BTC, ETH and more
- Live PnL and funding tracking
- Manage every position from one screen
Catch trending tokens before they run.
A live feed of what's moving: top gainers, trending coins and market caps updated in real time. Tap any token to see the chart and buy it on the spot.
- Real-time trending and top movers
- Charts, market cap and price at a glance
- One tap from discovery to buy
Spend crypto on real life.
Buy gift cards for 100+ countries, top up mobile airtime and data, pay bills, or send a gift card link to anyone. Pay with any supported chain or stablecoin.
- Gift cards for Apple, Amazon, Steam and more
- Mobile recharge and utility bills worldwide
- Send a crypto gift link: no address needed
Just type what you want.
A built-in assistant lives inside your wallet. Swap, send, check prices or look up your portfolio by typing a plain command. It does the work while your keys stay put.
- "Swap 0.5 SOL to USDC": done
- Check prices and portfolio value instantly
- Send to any address without leaving the app
Buy anything, pay in crypto.
Paste any Amazon or eBay link and pay in USDC on Solana. Ship anywhere in the world, with no card, no checkout and zero platform fees.
- Paste any Amazon or eBay product link
- Pay in USDC, no card or checkout
- Ship worldwide with zero platform fees
Put your stablecoins to work.
Earn auto-compounding yield on your idle stablecoins, up to 5.4% APY. No lockup, withdraw any time, and your funds stay in your custody.
- Up to 5.4% APY on USDC, USDT and JupUSD
- No lockup, withdraw any time
- Funds stay fully in your custody
Rent a GPU, pay in USDC.
Spin up your own private GPU in the cloud and pay in USDC. Get SSH access in about a minute to run or train AI models on anything from RTX 30 to 50 series.
- SSH access in about a minute
- RTX 30, 40 and 50 series cards
- Run, train or fine-tune AI models
A bank account for your crypto.
A multi-currency account with a Swiss IBAN. Hold EUR, USD, CHF and CNH, pay out over SEPA and SWIFT, and spend anywhere on a Mastercard.
- Swiss IBAN holding EUR, USD, CHF and CNH
- Pay out over SEPA and SWIFT
- Spend anywhere with a Mastercard
Next-level security
More than a wallet. Built to keep it safe.
OffChain Secure
Turn your wallet into a 2-of-2 vault. Every transfer needs a second approval: your device plus OffChain as co-signer, unlocked with an email code and your authenticator. Add the OffChain Keys NFC keychain as a physical tap-to-approve factor.
- On-chain 2-of-2 smart wallet: no single point of failure
- Email OTP + authenticator on every co-sign
- Tap an NFC keychain to authorize a transfer
OffChain Keys · NFC · tap to approve
How it works
Four steps. No internet needed.
Open OffChain
Your wallet is ready immediately. No sign-up, no registration, no KYC.
Pick a token
Choose any coin or token from your balance across all six chains.
Enter the details
Paste the recipient's address and the amount you want to send.
Hit send
Online it broadcasts instantly. Offline, it goes out over SMS.
No Wi-Fi and no data? OffChain signs the transaction on your device and sends it over SMS. It goes through regardless of connectivity.
FAQ
Common questions. Straight answers.
Everything you need to know about the OffChain wallet.
OffChain is a self-custody crypto wallet for six blockchains that also works when you have no internet. Send, receive, swap, trade, and spend from one app, and when you're offline, your transaction goes out over SMS.
OffChain is a self-custody crypto wallet for six blockchains that also works when you have no internet. Send, receive, swap, trade, and spend from one app, and when you're offline, your transaction goes out over SMS.
Still have questions? Reach us on Telegram.
Your whole wallet, in your pocket.
Download OffChain and start sending, swapping and trading across six chains, online or off.
Android APK · iOS installs as a web app