Foundation Devices Announces $7M Seed Round Led by Polychain Capital

Foundation produces the Passport, a bitcoin hardware wallet. Other investors participating in the round include new investors Greenfield Capital and Lightning Ventures, and existing investors Third Prime, Warburg Serres, Unpopular Ventures, and Bolt.

Foundation produces the Passport, a bitcoin hardware wallet.
Other investors participating in the round include new investors Greenfield Capital and Lightning Ventures, and existing investors Third Prime, Warburg Serres, Unpopular Ventures, and Bolt.

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COLDCARD Disaster: Weak Entropy Bug Enables Drain of Funds from Seeds Generated Since 2021

A build error present in COLDCARD firmware for more than five years made seeds generated on affected devices predictable, enabling attackers with no access to the hardware to reconstruct private keys offline and sweep the matching addresses.

03 Aug 2026

7 min read

Ashigaru Whirlpool and Terminal v1.0.0 Released

Ashigaru Whirlpool is a ZeroLink coinjoin implementation designed to sever all deterministic links between inputs and outputs, ensuring enhanced bitcoin transaction privacy.

23 Jun 2025

3 min read