O2 CZ · Czech Republic
Top up O2 CZ in
Czech Republic
Refill any O2 CZ prepaid line in Czech Republic with cryptocurrency. We support 3 fixed denominations from 500 up to 2,000 CZK, settled to the carrier within minutes of your crypto deposit confirming on chain. No account, no KYC, no app.
Last updated ·
- 3
- fixed amounts
- 500–2,000
- CZK · amount range
- CZK
- local currency
- under 60s
- typical ETA
O2 CZ denominations
Live face values you can buy now. Prices charged in CZK at the carrier rate; you pay the crypto equivalent at the rate of the moment.
Or pick a custom amount
O2 CZ accepts custom top-ups between 208.48 and 2,000 CZK. Use the form above to enter any value in that range.
O2 CZ mobile prefixes in Czech Republic
These 14 local prefixes route to O2 CZ. If your number starts with one of them, you're on the right network.
About O2 CZ in Czech Republic
O2 CZ is one of the 4 prepaid networks operating in Czech Republic, with the dial code +420. Refills are denominated in CZK and settle on the carrier under 60 seconds after our payment confirms on chain.
You don't need a O2 CZ account, the Czech Republic MyCarrier app, a local bank or any in-store kiosk — just the phone number and the crypto. The credit shows up on the SIM exactly the same way as if you'd topped it up at a corner store.
O2 CZ mobile top-up · FAQ
Can I top up O2 CZ with Bitcoin?
Yes. Pay in Bitcoin (BTC), Monero (XMR), Ethereum (ETH), USDT (TRC/ERC/SOL), Litecoin (LTC), Bitcoin Cash (BCH), Solana (SOL), Dogecoin (DOGE), Dash (DASH), Tron (TRX) or BNB. The O2 CZ line in Czech Republic gets credited within minutes of your deposit confirming on chain.
How fast does the O2 CZ credit land?
Carrier-side, O2 CZ typically posts the credit within 30 seconds of our settlement message. End-to-end (you click pay → SIM has credit) it's usually 1-3 minutes on fast chains (LTC, TRX, SOL), up to 10 minutes on slower ones (BTC).
What's the cheapest crypto for a O2 CZ refill?
For small refills (under $50 USD-equivalent), USDT-TRC20, Tron (TRX), Litecoin (LTC) or Solana (SOL) keep network fees to single cents. Bitcoin works fine but BTC fees can be disproportionate for small top-ups — pick a cheaper chain instead.
Do I need a O2 CZ or Czech Republic account?
No. We talk to O2 CZ on the back end with the phone number alone. No MyO2 CZ portal login, no SIM swap, no local bank, no in-store kiosk. Just enter the number, pick the amount, pay in crypto.
Will O2 CZ or the recipient see I paid in crypto?
No. O2 CZ sees a routine top-up at the local face value (CZK). The recipient sees the new balance on their SIM. Neither sees the funding source, your email, or any other payment metadata. From the SIM's side it's identical to a corner-store refill.
Other prepaid networks in Czech Republic
Pick a different carrier in Czech Republic — same workflow, same coins, same speed.