Cards and rings that have never been hacked — anywhere in the world. Seedless recovery, 100% offline signing, military-grade security. Worldwide shipping.
Not once. No customer has lost funds to an attack. Your keys are created inside the card and never leave it — there is nothing on a server to steal and nothing to phish. How it works stays with us.
Every tier powered by military-grade NFC technology. Choose your level of protection.
Every component selected for maximum security. Zero compromises.
The same security standard used in passports, credit cards, and government IDs. The chip generates and stores private keys inside the card — they never leave.
Transactions signed on the card. Zero internet exposure.
Tap to phone. No cables, no Bluetooth, no batteries.
No seed phrase. Recover with backup cards. Simple.
Bitcoin, Ethereum, USDC, BNB, SOL and 1000+ tokens across multiple networks. Manage up to 3 wallets per card set with seamless tap-to-switch.
A short look at what we are building next.
Maria-Nova Vault. Infinity above the vault, and Nova herself in the corner — she is part of the vault.
Korea, Japan, Thailand, India, Turkey, Poland and South America — local pricing, local payment methods.
Our next system. We are not saying more yet.
No seed phrase to write down. No cables. Just tap and go.
Hold the card to the NFC area on the back of your phone.
Keys are generated inside the card's secure chip. No seed phrase, ever.
Add a PIN or biometric lock so only you can open your wallet.
Tap your 2nd and 3rd cards to link them as instant backups.
Every step is confirmed on-screen as you go.
Small balances scattered across chains? Consolidate them automatically into USDT and put your crypto to work.
Open your wallet app → Exchange tab → Swap to USDT TRC20.
Lower fees, direct in your wallet, no third-party redirect.
USDT arrives directly in your TRC20 wallet after sweep. No withdrawal needed — ChangeNOW handles it automatically.
Small leftover crypto balances too small to trade normally — but together they can add up to real money.
Swap directly in your wallet app to USDT TRC20 — the lowest-fee stablecoin. Lower fees than third-party services.
Live prices via CoinGecko. Swaps performed in your wallet for lowest fees. USDT TRC20 = lowest network fees. Not available in all regions.
To convert your BTC to USDT TRC20 with the lowest fees:
💡 Swapping directly in your wallet costs significantly less than third-party services. Your USDT arrives directly in your wallet.
Coming SoonQuestions? Support? Partnerships? We're here to help.
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