Swap here non-custodially – no sign-up, no stress, pure decentralized finance.
Information in accordance with § 5 DDG (German Digital Services Act):
Project & Brand Names (Fantasienamen):
OctaSwap / Hamster Wallet / OctaCrypt
Legal Entity & Owner (Sole Proprietorship / Einzelunternehmen):
Jannik Willi Dauser
Friedensstraße 18
55583 Bad Kreuznach
Germany
Email: contact.octacrypt@gmail.com
Phone: +49 1520 4112299
Small business owner (Kleinunternehmer) in accordance with § 19 UStG (German VAT Act).
The European Commission provides a platform for online dispute resolution (ODR): https://ec.europa.eu/consumers/odr/. We are neither willing nor obliged to participate in dispute resolution proceedings before a consumer arbitration board.
This website operates strictly as a non-custodial technical routing interface. All cryptocurrency swaps and fiat transactions are executed directly by independent, regulated third-party providers (such as ChangeNOW and Guardarian) under their own licenses, Terms of Service, and KYC/AML compliance frameworks.
Last Updated: October 2026
Welcome to OctaSwap / Hamster Wallet (also operating under the brand OctaCrypt), legally operated by the sole proprietorship Jannik Willi Dauser, Friedensstraße 18, 55583 Bad Kreuznach, Germany ("Platform", "we", "us", or "our"). By accessing or using our website and software interface, you ("User" or "you") agree to be legally bound by these Terms of Use, our Privacy Policy, and our AML/KYC Policy.
By using this Platform, you represent and warrant that:
Users are solely responsible for verifying the accuracy of their destination wallet addresses, selecting the correct network, and including required Memo/Destination tags. Blockchain transactions are irreversible, and neither we nor our routing partners can reverse or recover funds sent to an incorrect address.
Nothing on this Platform constitutes financial, investment, or tax advice. The Platform is provided on an "as-is" basis without warranties. We are not liable for API downtime, blockchain delays, slippage, or funds paused by third-party providers due to mandatory AML/KYC checks. These Terms are governed by the laws of the Federal Republic of Germany.
Last Updated: October 2026
OctaSwap / Hamster Wallet (operated by Jannik Willi Dauser) is strictly committed to preventing money laundering, terrorist financing, and sanctions circumvention. While our Platform operates as a non-custodial interface that does not require prior user account registration ("no sign-up"), all transactions routed through our interface are subject to mandatory automated Anti-Money Laundering (AML) and Know Your Customer (KYC) compliance frameworks enforced by our integrated third-party providers (ChangeNOW and Guardarian).
When verification is triggered by a liquidity partner, Users may be required to provide a valid government-issued ID, a real-time selfie/liveness verification, and proof of Source of Funds (e.g., wallet history or exchange logs) directly to the third-party provider's compliance team.
Last Updated: October 2026
Jannik Willi Dauser (operating OctaSwap / Hamster Wallet / OctaCrypt)
Friedensstraße 18, 55583 Bad Kreuznach, Germany
Email: contact.octacrypt@gmail.com | Phone: +49 1520 4112299
We do not offer user accounts, registration forms, or newsletters, and we do not store personal user profiles, wallet addresses, or transaction histories in our own databases. When you access our website, our hosting provider (Strato AG, Germany) automatically collects and temporarily stores standard technical server log files (browser type, operating system, referrer URL, anonymized IP address, and timestamp) pursuant to Art. 6 (1) lit. f GDPR to ensure operational security and DDoS protection.
To provide cryptocurrency swap and fiat on-/off-ramp functionalities, our website embeds interactive widgets provided by ChangeNOW and Guardarian. When loading or interacting with the widget, your browser establishes a direct connection to the servers of ChangeNOW and/or Guardarian, transmitting technical connection data (IP address, browser metadata) and transaction inputs (wallet addresses, amounts, and where applicable, KYC identification data for fiat transactions or AML reviews) pursuant to Art. 6 (1) lit. b GDPR under their respective privacy policies.
Under the European General Data Protection Regulation (GDPR), you have the right to access (Art. 15), rectification (Art. 16), erasure (Art. 17), restriction of processing (Art. 18), data portability (Art. 20), and objection (Art. 21), as well as the right to lodge a complaint with a competent supervisory authority in Germany.