Privacy: what is collected.

What is collected

Emails you send us. If you write to [email protected], we receive your address and your message. We use them to reply, and keep them for as long as the conversation needs. We delete them on request.

Purchases and free downloads. Products are sold and delivered by Gumroad. Gumroad collects your email and payment details under its own privacy policy. As the seller, QuantKit can see what Gumroad shares with sellers, such as the buyer’s email address and the purchase.

Site visits. The site is delivered by Cloudflare. Cloudflare processes technical request data, such as IP address, browser and the pages requested, to deliver and protect the site. We also use Cloudflare Web Analytics, which reports aggregate page views, referrers and country without cookies and without fingerprinting individual visitors (see Cloudflare Web Analytics and Cloudflare’s privacy policy). QuantKit’s pages set no cookies and load no advertising scripts. Fonts are served from QuantKit itself.

Market-data requests. The homepage fetches its snapshot from mcp.quantkit.co, and MCP clients call the endpoint at the same address. These requests reach QuantKit’s server like any web request, including the sender’s IP address. QuantKit does not ask you to create an account to use them.

VerifyEA. The VerifyEA tool runs on your computer. Auditing, licence checks and reports make no network calls, so your reports and trades are never sent to QuantKit. The only command that reads a URL is the optional rules update, and only when you run it.

The email list

If you enter your address in a sign-up form on this site, it goes to Buttondown, our email provider, which stores it and sends the emails. We store your address, the page you signed up from, and the time you signed up and confirmed. You get one confirmation email first (double opt-in); an address joins the list only after you confirm, and unconfirmed addresses are not used for anything else. Every email carries an unsubscribe link, and you can ask us to delete your address at any time.

You can still email [email protected] instead. That is an ordinary email under the heading above.

Your rights

You can ask us for a copy of the personal data we hold about you, ask us to correct or delete it, object to how we use it, or withdraw consent you have given. Email [email protected], for example with the subject “Privacy request”. We will answer without undue delay.

For readers in the EU and UK, the legal basis is our legitimate interest in answering the emails you send (and, for the email list, your consent). Readers in Hong Kong can likewise ask for access to, and correction of, their personal data. This is a plain-language policy, not legal advice.

Gumroad, Cloudflare and Buttondown are based in the United States and may process data outside your country.

Who runs this

QuantKit is operated from Hong Kong by the author known as Timoranjes. No registered company name is published yet. A postal address will be listed here before the first email is sent, as email law and our provider require.

Changes

Changes to this page are dated at the top. A change that widens what is collected is made here before it takes effect.