Privacy
Last updated 2026-09-07
What is collected
| Item | Why | Kept |
|---|---|---|
| Email address | Identifying you, sending the token, support | As a transaction record |
| Order number | Matching a purchase to a token | As a transaction record |
| Market-days taken, and signing events | Counting the allowance, answering support questions | For the life of the token |
What is not collected
- Passwords. The service does not use them.
- Card or payment details. Payment is handled by the storefront.
- Advertising or analytics tracking. This site carries no third-party tags.
Third parties
Information is not passed to third parties except where required by law. Files are delivered from Amazon Web Services object storage.
Requests
For disclosure, correction or deletion, write to support@kamakuraquantlab.jp. Transaction records that must be retained by law cannot be deleted while that obligation stands.
Governing language
The Japanese text is the operative version; this is a convenience translation.