Effective Date: 13 August 2024 · Last Revised: 5 March 2026
Quantum EX s.r.o. ("Company", "we", "us", or "our") is a limited liability company incorporated under the laws of the Czech Republic, with its registered office at Cimburkova 916/8, Žižkov, 130 00 Prague 3, Czech Republic, registered in the Commercial Register maintained by the Municipal Court in Prague, File No. C 408553. The Company was established on 13 August 2024 and is assigned Identification Number (IČO): 21920460.
We operate a digital asset platform providing cryptocurrency wallet, peer-to-peer (P2P) trading, and cryptocurrency exchange services (collectively, the "Platform") under our licensed business scope. We comply with applicable AML/CFT obligations under Act No. 253/2008 Coll. and the EU Markets in Crypto-Assets Regulation (MiCA), Regulation (EU) 2023/1114.
Quantum EX s.r.o. is the data controller within the meaning of Article 4(7) of Regulation (EU) 2016/679 (GDPR) for all personal data processed in connection with our services.
This Privacy Policy applies to all personal data we collect and process when you visit or use our website, register for and use our cryptocurrency wallet service, execute trades, participate in P2P trading, contact our support team, subscribe to notifications, or participate in any promotions we organise.
This Policy does not apply to third-party websites, wallets, blockchain networks, or services accessible via links from our Platform.
A non-custodial or custodial digital wallet allowing users to store, send, and receive supported cryptocurrencies and digital tokens.
An order-book or AMM-based service allowing users to swap and trade one cryptocurrency for another at prevailing market rates.
A marketplace facilitating direct trades between users. We act as an intermediary providing escrow and dispute resolution. Not yet available: fiat currency deposits, withdrawals, or any fiat on/off ramp services.
| Purpose | Legal Basis |
|---|---|
| Account registration & wallet provisioning | Art. 6(1)(b) – Performance of a contract |
| Exchange order matching & execution | Art. 6(1)(b) – Performance of a contract |
| P2P trade facilitation & escrow | Art. 6(1)(b) – Performance of a contract |
| KYC / AML identity verification | Art. 6(1)(c) – Legal obligation (Act No. 253/2008; MiCA) |
| Transaction monitoring & fraud prevention | Art. 6(1)(c) & (f) – Legal obligation & Legitimate interest |
| Platform security & abuse prevention | Art. 6(1)(f) – Legitimate interest |
| Analytics & platform improvement | Art. 6(1)(f) – Legitimate interest |
| Marketing & personalisation (opt-in only) | Art. 6(1)(a) – Consent |
| Responding to regulatory or legal requests | Art. 6(1)(c) – Legal obligation |
We use your data to create and manage your account, provision your wallet, match and execute orders, facilitate P2P trades via escrow, comply with KYC/AML legal obligations, prevent fraud, resolve disputes, comply with court orders and regulatory requirements, send marketing communications (with consent only), and improve our platform through anonymised analytics.
We do not sell, rent, or trade your personal data. We may disclose your data to: KYC and identity verification providers; blockchain analytics providers; Travel Rule compliance providers; IT infrastructure and cloud providers; legal, tax and audit advisors; and regulatory and law enforcement authorities where legally required.
Our primary operations and data storage are within the EEA. Where data is transferred outside the EEA, we ensure adequate safeguards including Standard Contractual Clauses (SCCs) pursuant to European Commission Decision 2021/914/EU. Contact exchange@qntmex.com for details on specific transfers.
| Data Category | Retention Period |
|---|---|
| KYC/AML records | 10 years from end of business relationship |
| Wallet & transaction records | 10 years (AML Act); 5 years (Accounting Act) |
| P2P trade records | 5 years from trade completion |
| Account & contractual data | Duration of relationship + 5 years |
| Support communications | 3 years from resolution |
| Marketing data (consent-based) | Until consent is withdrawn |
| Technical & access logs | 12 months |
| Analytics data (pseudonymised) | 24 months |
We use strictly necessary cookies (no consent required), preference cookies, analytics cookies, and marketing cookies (all require consent). You can manage preferences via our Cookie Preference Centre in the footer. We do not use cookies to build profiles for sale to third-party advertisers.
Submit requests to exchange@qntmex.com. We respond within 30 calendar days.
Our services are not intended for individuals under 18. We do not knowingly collect data from minors. Contact exchange@qntmex.com immediately if you believe a minor has submitted personal data.
We may update this Policy periodically. When we make material changes, we will display a prominent notice on our website, notify you by email, and where required seek renewed consent. Your continued use after notification constitutes acknowledgement of the updated Policy.
DPO & General Enquiries: exchange@qntmex.com
Quantum EX s.r.o. · IČO: 21920460 · File No. C 408553, Municipal Court in Prague
Cimburkova 916/8, Žižkov, 130 00 Prague 3, Czech Republic
Czech Supervisory Authority (UOOU): Pplk. Sochora 27, 170 00 Prague 7 · www.uoou.cz · +420 234 665 111
PLEASE READ CAREFULLY. BY USING OUR PLATFORM, YOU CONFIRM YOU HAVE READ, UNDERSTOOD, AND ACCEPTED THESE RISKS. THIS DOES NOT CONSTITUTE FINANCIAL, INVESTMENT, OR LEGAL ADVICE.
Cryptocurrency markets are highly speculative and extremely volatile. The value of any digital asset can drop to zero within minutes. Past performance is not indicative of future results. Never trade more than you can afford to lose entirely.
Quantum EX s.r.o. is not a bank. Digital assets are not covered by the Czech Deposit Insurance Scheme or any EU deposit guarantee. For non-custodial wallets, loss of your private key or seed phrase results in permanent, irrecoverable loss of access.
All confirmed blockchain transactions are irreversible. Erroneous transfers cannot be reversed or recalled. Always verify recipient addresses before confirming.
Quantum EX s.r.o. will never ask for your password or seed phrase. You are solely responsible for securing your account and devices.
The legal status of cryptocurrencies continues to evolve. MiCA implementation may impose new obligations. We cannot guarantee any specific cryptocurrency will remain available on our Platform.
Cryptocurrency transactions may give rise to taxable events. You are solely responsible for all applicable tax obligations. Consult a qualified tax advisor.
Nothing on our Platform constitutes investment advice or any recommendation to buy, hold, or sell any digital asset. All trading decisions are made entirely at your own risk.
IMPORTANT: Cryptocurrencies are not legal tender in the Czech Republic or the EU. They are not issued or guaranteed by any government or central bank. Only use our services if you fully understand the nature of digital assets and your exposure to risk.