Opendime
A Coinkite USB stick that acts as a Bitcoin bearer instrument: it generates a private key that stays sealed inside until the device is physically broken open, letting the loaded stick be handed to someone else like cash.
Services
- Bearer-instrument bitcoin transfer
- Sealed private key
- Physical unsealing
- USB read-only balance check
Highlights
Source: Official website — product page. Last checked 2026-09-18. Spot an error? Tell us.