casascius.uberbills.com

http://casascius.uberbills.com/donate.php

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The “Casascius” name most famously refers to Mike Caldwell, the Utah-based creator of Casascius physical bitcoins (coins containing embedded private keys). There is no well-documented public figure or verified entity associated with the specific subdomain casascius.uberbills.com or its donate.php page, so its ownership or provenance cannot be confirmed from reliable public sources. The original Casascius project and Caldwell’s involvement are well covered in historical reporting. (wired.com)