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Cold Card BTC Wallets Urged to Update Firmware

2026/08/23 09:14 (Updated 2026/08/23 10:01)
CoinPost
Written by CoinPost Editorial Department
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Cold Card BTC Wallets Urged to Update Firmware

Information Sharing on Bitcoin Outflow Incident

Information Sharing on Bitcoin Outflow Incident

Coinkite, the provider of the Bitcoin (BTC) wallet 'Cold Card', shared new information on the asset outflow incident reported on July 30, 2026.

In their update, they have strongly urged all users of the Cold Card models 'Mk4', 'Mk5', and 'Q' to immediately upgrade their firmware. Additionally, law enforcement agencies are still investigating the incident...

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Iolite Vol.21

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September 2026 issueReleased on 2026/07/30

Interview Richard Teng, Co-CEO, Binance Taisuke Isono, Head of Nikko Open Innovation Lab & DeFi Technology Department, SMBC Nikko Securities Inc. Hiroshi Kamiwaki, Director & Head of Crypto Asset Finance Business, Fintertech Co., Ltd. PHOTO & INTERVIEW Yusaku Nakano Feature Story: "Survival Strategies for Crypto Exchanges — The New Order Post-FIEA Transition" Interview Tomoyuki Isaka, President & Representative Director, CEO, Coincheck, Inc. Takaaki Fujiwara, Executive Vice President & Director, Mercury Inc. [Dialogue Series] The NISHI Talk: Crypto Conversations "Social Implementation Beyond Merely Holding Bitcoin" Kasou NISHI × Rintaro Kawai, President & Representative Director, ANAP HOLDINGS Co., Ltd. Series: Tech and Future Toshinao Sasaki ...and more

MAGAZINE

Iolite Vol.21

September 2026 issueReleased on 2026/07/30
Interview Richard Teng, Co-CEO, Binance Taisuke Isono, Head of Nikko Open Innovation Lab & DeFi Technology Department, SMBC Nikko Securities Inc. Hiroshi Kamiwaki, Director & Head of Crypto Asset Finance Business, Fintertech Co., Ltd. PHOTO & INTERVIEW Yusaku Nakano Feature Story: "Survival Strategies for Crypto Exchanges — The New Order Post-FIEA Transition" Interview Tomoyuki Isaka, President & Representative Director, CEO, Coincheck, Inc. Takaaki Fujiwara, Executive Vice President & Director, Mercury Inc. [Dialogue Series] The NISHI Talk: Crypto Conversations "Social Implementation Beyond Merely Holding Bitcoin" Kasou NISHI × Rintaro Kawai, President & Representative Director, ANAP HOLDINGS Co., Ltd. Series: Tech and Future Toshinao Sasaki ...and more