{"id":76276,"date":"2026-08-02T18:07:37","date_gmt":"2026-08-02T18:07:37","guid":{"rendered":"https:\/\/crowdfundjunction.com\/blog\/coinkite-under-fire-for-retaining-customer-emails-after-88m-coldcard-hack\/"},"modified":"2026-08-02T18:07:37","modified_gmt":"2026-08-02T18:07:37","slug":"coinkite-under-fire-for-retaining-customer-emails-after-88m-coldcard-hack","status":"publish","type":"post","link":"https:\/\/crowdfundjunction.com\/blog\/coinkite-under-fire-for-retaining-customer-emails-after-88m-coldcard-hack\/","title":{"rendered":"Coinkite Under Fire for Retaining Customer Emails After $88M Coldcard Hack"},"content":{"rendered":"<p><b>(Originally posted on : Bitcoin News )<\/b><br \/>\n<\/p>\n<div>\n<div class=\"@container mb-[25px] rounded-sm overflow-clip py-0.5 pr-0.5 pl-2.5 bg-success-100\">\n<div class=\"flex flex-col gap-m overflow-clip rounded-[6px] !bg-success-10 p-3 @[420px]:p-m\">\n<h2 class=\"m-0 flex items-center gap-s text-[19px] !text-[#1c1c1c] md:text-[20px]\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"10\" viewbox=\"0 0 16 10\" fill=\"none\" class=\"shrink-0 text-success-100\" aria-hidden=\"true\"><path d=\"M1 1.5h14\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><path d=\"M1 8.5h10\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\"\/><\/svg><span>Key Takeaways<\/span><\/h2>\n<ul class=\"m-0 flex list-none flex-col gap-m pl-0\">\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Coinkite emailed buyers dating back to 2019 to warn of a bug, sparking anger over data retention.<\/span><\/li>\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Users slammed the firm for storing email data despite past claims of erasing buyer info after 90 days.<\/span><\/li>\n<li class=\"m-0 flex items-start gap-s !text-[#434248]\"><span class=\"mt-2 size-2 shrink-0 rounded-full bg-success-100\" aria-hidden=\"true\"\/><span class=\"text-body\">Coinkite defended holding emails for account logins, but admitted it lacks a data deletion schedule.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Coinkite Faces Criticism For Leveraging Customer Data After Coldcard Issues<\/h2>\n<p>Coinkite is again facing the ire of its customers in the aftermath of a <a href=\"https:\/\/news.bitcoin.com\/learning-insights\/bitcoin-seed-phrase-explained\/\">seed generation randomness bug<\/a> that allowed threat actors to steal over 1,000 BTC in the last two days.<\/p>\n<p>In an effort to reach the majority of customers who could be affected by the issue plaguing its Coldcard series of hardware wallets, the company sent emails to alert about the severity of this event to email addresses associated with purchases starting in 2019.<\/p>\n<p>On social media, <a href=\"https:\/\/x.com\/COLDCARDwallet\/status\/2083741922070352247?s=20\" target=\"_blank\" rel=\"noopener noreferrer\">Coldcard acknowledged that it had been contacting its customers<\/a> via email, reaffirming the legitimacy of these messages.<\/p>\n<p><strong>\u201cIt\u2019s been challenging, but we have now emailed every address we could reach through our store and newsletter systems. The emails have been going out in batches since Friday. If you received one, we want to confirm that it is legitimately from Coinkite,\u201d<\/strong> the company explained.<\/p>\n<p>When criticized for retaining email data, Coinkite <a href=\"https:\/\/x.com\/COLDCARDwallet\/status\/2083866088580784625?s=20\" target=\"_blank\" rel=\"noopener noreferrer\">pointed to its public policy<\/a>, which states that purchase email addresses are saved so customers can log in and check that their other info has been blanked. Nonetheless, the company did not indicate a deletion policy for this data, pointing out that these addresses would be kept \u201cfor now.\u201d<\/p>\n<p>Even so, Rodolfo Novak, co-founder and CEO of Coinkite, stressed that the company doesn\u2019t store customer information and had no way to reach affected customers, calling for assistance in contacting all possible affected users.<\/p>\n<p>In an earlier post, Novak had claimed that the company provided the option to make anonymous purchases and erased customer data 90 days after.<\/p>\n<p><strong>\u201cEvery other month one of our competitors has a data breach. Coinkite\/COLDCARD takes this extremely seriously, like our customers, we are bitcoiners first,\u201d<\/strong> he <a href=\"https:\/\/x.com\/satochip\/status\/2083805915384332600?s=20\" target=\"_blank\" rel=\"noopener noreferrer\">stressed<\/a> at the time.<\/p>\n<p>According to Galaxy Research, the event had already reached 1,367 BTC at 5:36 p.m. EDT on Saturday, accounting for over $88 million in losses.<\/p>\n<\/p><\/div>\n<p><a href=\"https:\/\/news.bitcoin.com\/security\/coinkite-under-fire-for-retaining-customer-emails-after-88m-coldcard-hack\/\">Source link <\/a><br \/>\n<br \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Originally posted on : Bitcoin News ) Key Takeaways Coinkite emailed buyers dating back to 2019 to warn of a bug, sparking anger over data retention. Users slammed the firm for storing email data despite past claims of erasing buyer info after 90 days. Coinkite defended holding emails for account logins, but admitted it lacks [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":76277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[32],"tags":[],"_links":{"self":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts\/76276"}],"collection":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/comments?post=76276"}],"version-history":[{"count":0,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/posts\/76276\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/media\/76277"}],"wp:attachment":[{"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/media?parent=76276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/categories?post=76276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crowdfundjunction.com\/blog\/wp-json\/wp\/v2\/tags?post=76276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}