https://www.btcstudy.org/2026/08/04/critical-coldcard-flaw-what-happen… — BTC Study — TG.ME

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https://www.btcstudy.org/2026/08/04/critical-coldcard-flaw-what-happened-who-is-affected-and-what-to-do/

# 安全

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Coldcard 硬件签名器致命漏洞：源头、爆炸范围、应对

比特币思想的中文集结地

t.me/btcstudyorg/751

August 4, 2026 208