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Terms, policies and disclosures for KAST products.

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KAST® is a financial technology company, not a bank. Virtual accounts, payment cards, custody, and on/off ramp services are provided by licensed partners. Availability of services may vary by jurisdiction and is subject to regulatory approval. We provide banking-like services through stablecoins.

© 2026 KAST. All rights reserved.

Risk Disclosure
Privacy Policy
E-Sign Consent
Terms & Conditions

4 documents

All (33)Business Terms (6)Disclosures (4)Jurisdiction Addenda (2)Platform Terms (3)Product Terms (6)Promotion Terms (7)Referral & Affiliate Terms (2)Reward Terms (3)

Notices and disclosures about risk, electronic communications, prohibited activities and security reporting.

Prohibited Activities ListThe business activities that may not use KAST services, including the KAST App and KAST Card.DisclosuresEffective Jun 24, 2026
Vulnerability Disclosure PolicyHow to report a suspected security vulnerability in a KAST product, and what to expect in response.DisclosuresEffective Apr 17, 2026
E-Sign ConsentYour consent to receive agreements, disclosures and notices from KAST electronically rather than on paper.DisclosuresEffective Mar 21, 2025
KAST Risk DisclosureAn overview of the risks of holding virtual assets and using KAST services, to help you assess whether they suit you.DisclosuresEffective May 22, 2024