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Coldcard Bitcoin loss estimate rises to $70M after Galaxy analysis

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Galaxy Research identified 1,196 addresses that lost 1,082.65 Bitcoin in a 41-minute window, expanding the estimated scope of the Coldcard wallet incident.

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Adam Back makes case for simpler security as Blockstream launches Bitcoin custody system

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Blockstream’s new custody system, developed with Thales, uses dedicated hardware for transaction signing as Adam Back advocates for offline security to reduce cyber risks.

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OpenAI launches AI payments in ChatGPT with Visa, Mastercard and Amex

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OpenAI’s new payment wallet lets AI agents complete purchases using existing card networks, with plans to eventually allow preauthorized transactions.

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US regulators move ahead on crypto trust charters as Senate scrutiny grows

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Coinbase’s trust company received final clearance as lawmakers seek records on crypto firms’ compliance and potential conflicts of interest.

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