Last updated August 7, 2026
BTC Spark Privacy Notice
This notice explains how the BTC Spark website and sandcastle payment demo handle information. BTC Spark is a Voltage product; the full Voltage Privacy Policy governs Voltage’s broader data practices.
Information we collect
When you contact us, we collect the name, email address, company, message, and communication preference you submit. The server also receives ordinary technical request data such as IP address, browser information, timestamps, and security logs.
The payment sandbox records simulated task, provider, payment, retry, verification, and receipt events. It does not collect wallet keys, custody real bitcoin, or execute a real Lightning payment.
How we use information
We use submitted information to respond to your request, evaluate interest in BTC Spark, operate and secure the site, prevent abuse, and improve the product. We do not sell the contact information submitted through this form.
If you separately choose product updates, we may use your email for those updates. You can opt out using the message instructions or by contacting us.
Cookies and local storage
The site uses essential browser storage to remember your privacy choice and support core site behavior. Optional analytics remain off unless you choose “Allow optional.” Your choice can be changed at any time using Cookie settings in the footer.
Sharing and retention
Information may be processed by service providers that host the website or deliver contact requests for Voltage. We keep information only as long as needed for the purposes described here, security, legal obligations, and legitimate business records.
No internet transmission or storage method is completely secure. We use reasonable safeguards, but cannot guarantee absolute security.
Your choices and contact
Depending on where you live, you may have rights to access, correct, delete, restrict, or obtain a copy of personal information. Send privacy requests to support@voltage.cloud. Security concerns can be sent to security@voltage.cloud.