Kassa
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Features

One wallet, every tool you need

From institutional custody to earning, borrowing, teams and instant swaps — everything Kassa does, in one place.

01 / 08

No seed phrase to lose

Funds are secured in institutional custody. There’s no private key or 12-word seed that can be phished, screenshotted or lost.

Bank-grade custodyCold-storage backedASIC-registered
02 / 08

Reviewed withdrawals

Every withdrawal is authorised with a passkey and screened before it’s broadcast on-chain — a human-proof safety layer.

No unlimited approvalsPasskey-authorised withdrawals
Explore our security model →
03 / 08

Earn by locking

Rewards are paid monthly straight to your spendable balance — you don’t wait until the end of the term.

1 Month · 1%1 Month · 1,000,000+ · 1.5%1 Year · 20%
04 / 08

Get cash without selling your crypto

Lock part of your balance, unlock stablecoin cash the same moment, and pay it back in easy monthly parts. When you’re done, the crypto you locked is yours again — untouched.

Borrow & LendCollateral that earnsreducing balance
Learn more →
05 / 08

One main account. A whole team beneath it.

Open your main wallet, then invite sub-accounts under it. You stay in control of the entire tree — and when your team locks and earns, the rewards flow up to you.

the only account that can withdrawNetwork rewards
Learn more →
06 / 08

Instant swap

Convert between USDT, USDC and BTC inside your balance — funds never leave custody.

USDT · TRC20USDC · ERC20BTC
07 / 08

Cash out to bank

Convert your balance to fiat and receive it in your bank account, handled by our team within 24–48h.

08 / 08

Telegram control

Check balances, get addresses and receive instant deposit alerts — full read-only control from Telegram.

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All features

Every feature, explained

Tap any feature to read exactly how it works.

Funds are secured in institutional custody. There’s no private key or 12-word seed that can be phished, screenshotted or lost.
You never sign open-ended token approvals that drain a wallet later. Every movement is an explicit, reviewed instruction.
Every withdrawal is authorised with a passkey and screened before it’s broadcast on-chain — a human-proof safety layer.
Balances sit in institutional, cold-storage-backed custody — no hot signing surface exposed to attack.
Your holdings stay private. Balances and activity are visible only to you and the accounts you authorise.
Put assets to work with fixed-term locking and transparent rewards, credited automatically at maturity. Rewards are paid monthly straight to your spendable balance — you don’t wait until the end of the term. 1 Month 1% · 1 Month (1,000,000+) 1.5% · 1 Year 20%.
Lock part of your balance, unlock stablecoin cash the same moment, and pay it back in easy monthly parts. When you’re done, the crypto you locked is yours again — untouched. Lock collateral and borrow stablecoin instantly, repaid over a fixed 12 months. Or lend your idle balance and earn a monthly return.Learn more →
Collateral you lock to borrow keeps earning a small monthly yield while it backs your loan — and returns in full when you repay.
Open your main wallet, then invite sub-accounts under it. You stay in control of the entire tree — and when your team locks and earns, the rewards flow up to you. A sub-account has its own login and balance. It can receive deposits, transfer one step down to its own subs, and lock to earn — but it can never withdraw off-platform.Learn more →
Every account you build adds to your network. When someone in your team locks funds to earn, you receive a network reward on their package — credited to your balance automatically. The level directly above the locker earns the full rate; each level higher earns half of the one below it — so a deep, active team keeps rewarding the whole tree above.
Convert between USDT, USDC and BTC inside your balance — funds never leave custody.
Convert your balance to fiat and receive it in your bank account, handled by our team within 24–48h.
Check balances, get addresses and receive instant deposit alerts — full read-only control from Telegram.
A corporate API and hosted checkout to accept stablecoin payments programmatically.Learn more →
A focused architecture around USDT (TRC20), USDC (ERC20) and BTC — the assets that matter, done exceptionally well.
Reuse one permanent address, or generate a fresh one-time address per deposit for maximum privacy.
Give out several labelled addresses on one account — tell “Shop A” money from “Shop B”, all in the same balance.
Two-factor login, a live view of signed-in sessions, and a 12-word recovery key so you never lose access.

All of it, from one dashboard

Open Kassa and use custody, earning, borrowing, teams and swaps in a single secure wallet.

Launch app How it works