Coldcard losses rise as fourth attack wave sweeps 448 BTC

A fourth suspected Coldcard attack wave moved 448.7 BTC from 709 addresses, while unconfirmed transactions may still be replaceable.

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SBI wants stablecoin QR payments for Japan-Korea travel

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Bitcoin Lightning security alert issued as attackers target older Core Lightning nodes

Core Lightning has warned Bitcoin Lightning Network node operators to upgrade immediately after receiving reports that attackers are targeting systems

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