{"id":8306,"date":"2026-05-31T15:14:40","date_gmt":"2026-05-31T08:14:40","guid":{"rendered":"https:\/\/bitcoinvn.io\/shop\/?p=8306"},"modified":"2026-05-31T15:50:13","modified_gmt":"2026-05-31T08:50:13","slug":"esp32-chip","status":"publish","type":"post","link":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/","title":{"rendered":"ESP32 chip, Jade and Bitcoin self-custody: what users should actually worry about"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u00a0<\/span><i>The ESP32 chip powers a wide range of connected devices &#8211; from smart home gadgets to certain Bitcoin hardware wallets. In early 2025, reports about undocumented Bluetooth functionality in ESP32 chips raised questions across the security community, including among users of the Blockstream Jade hardware wallet.\u00a0<\/i><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8309 size-full\" src=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-4.webp\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-4.webp 800w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-4-300x200.webp 300w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-4-768x512.webp 768w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-4-600x400.webp 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><b>What is the ESP32 chip?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The ESP32 is a family of low-cost microcontrollers (MCUs) developed by Espressif Systems and introduced in 2016. It became widely adopted across IoT (\u201cInternet of Things\u201d) devices due to its combination of integrated wireless connectivity, low cost and flexibility.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In practical terms, ESP32-based chips and modules are found in everything from smart home devices and industrial sensors to hobbyist electronics and &#8211; in some cases &#8211; Bitcoin hardware wallets such as the Blockstream Jade.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Key reasons for its popularity include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Integrated Wi-Fi and Bluetooth:<\/b><span style=\"font-weight: 400;\"> Wireless functionality is built directly into the chip, reducing component count and cost.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Low-cost and energy-efficient:<\/b><span style=\"font-weight: 400;\"> Suitable for mass-market consumer devices and embedded systems.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Flexible programmability:<\/b><span style=\"font-weight: 400;\"> Compatible with development frameworks such as Arduino, ESP-IDF and MicroPython.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Large open-source ecosystem:<\/b><span style=\"font-weight: 400;\"> Extensive documentation, tooling and community support lowered the barrier for developers and manufacturers.<\/span><\/li>\n<\/ul>\n<h2><b>ESP32 security concerns and Bitcoin hardware wallets<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Despite its flexibility and low cost, the ESP32 was originally designed as a general-purpose IoT microcontroller rather than a dedicated secure element used in high-security applications.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In early 2025, renewed discussion emerged around ESP32 security following reports concerning undocumented Bluetooth functionality tracked as <\/span><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/cve-2025-27840\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CVE-2025-27840<\/span><\/a><span style=\"font-weight: 400;\">. The reporting triggered debate within the security community, including among users of devices that incorporate ESP32 components, such as the Blockstream Jade hardware wallet.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This does <\/span><b>not automatically mean Bitcoin hardware wallets using ESP32 are insecure<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In practice, hardware wallet security depends on the overall device architecture: how entropy is generated, how keys are stored, whether multiple randomness sources are used, firmware design, transaction signing flows and physical security assumptions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For example, Blockstream has clarified that Jade does not rely solely on the ESP32 as a randomness source during wallet initialization, but combines entropy from multiple inputs.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The broader lesson is that Bitcoin users should evaluate hardware wallets as complete systems rather than assume security &#8211; or insecurity &#8211; based on a single component.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8313 size-full\" src=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-3.jpg\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-3.jpg 800w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-3-300x200.jpg 300w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-3-768x512.jpg 768w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-3-600x400.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><b>Remote attack concerns and wallet security assumptions<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">One of the main concerns raised around ESP32 security is the possibility that undocumented functionality or implementation weaknesses could increase the attack surface of devices that use the chip, especially where wireless communication is enabled.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For Bitcoin hardware wallets, this matters because the security of the device depends not only on the cryptographic algorithms used, but also on the surrounding system design: firmware integrity, update procedures, user confirmation flows, key isolation and entropy generation.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, it is important not to overstate the issue. <\/span><b>A weakness in a wireless component does not automatically mean that an attacker can sign Bitcoin transactions, extract private keys or bypass wallet approval flows<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For such an attack to succeed, additional weaknesses would usually be required &#8211; for example, a compromised firmware update path, poor separation between wireless components and signing logic, or insufficient user verification before a transaction is approved.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the case of Blockstream Jade, the relevant question is therefore not simply<\/span><i><span style=\"font-weight: 400;\"> \u201cdoes it use ESP32?\u201d<\/span><\/i><span style=\"font-weight: 400;\"> but how the device architecture limits what the ESP32 component can do, how firmware is verified, and how wallet secrets are protected.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The broader takeaway for users is straightforward: hardware wallet security should be judged at the system level. A single chip can matter, but it does not tell the whole story.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8312 size-full\" src=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-7.webp\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-7.webp 800w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-7-300x200.webp 300w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-7-768x512.webp 768w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-7-600x400.webp 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><b>Was there really a \u201cbackdoor\u201d?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Early reporting around CVE-2025-27840 used strong language, including claims about a possible ESP32 \u201cbackdoor.\u201d That framing was disputed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The more careful conclusion is narrower: undocumented or poorly documented functionality can increase the attack surface of connected devices, especially where wireless interfaces are enabled. <\/span><b>But that does not automatically mean a device can be remotely compromised, nor that private keys can be extracted.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">For users of devices such as Blockstream Jade, the relevant question is therefore not whether one component appears in a vulnerability report, but how the full wallet architecture limits what that component can do. Based on the information currently available, the ESP32 controversy does not show that Jade users\u2019 funds are at risk in normal use.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8308 size-full\" src=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-2.webp\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-2.webp 800w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-2-300x200.webp 300w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-2-768x512.webp 768w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-2-600x400.webp 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><b>Jade vs Jade+: what is the difference?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">For readers considering a purchase, it is worth noting that both the original Blockstream Jade and the newer Jade Plus use ESP32-based architecture. However, Jade Plus upgrades to the newer ESP32-S3 platform and adds several practical hardware improvements, including a larger display, faster performance, improved QR-code handling and expanded connectivity options.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That makes Jade Plus the more comfortable choice for users who expect to use the device frequently, prefer smoother QR-based workflows, or want the latest Blockstream hardware model. The original Jade remains a more compact and lower-cost option for users who mainly want a Bitcoin-focused signing device and do not need the larger screen or upgraded hardware features.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8310 size-full\" src=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-5.webp\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-5.webp 800w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-5-300x200.webp 300w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-5-768x512.webp 768w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-5-600x400.webp 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">The ESP32 discussion should therefore not be read as \u201cold Jade bad, Jade Plus safe.\u201d Both devices should be judged by the same core question: whether Blockstream\u2019s overall wallet architecture, firmware verification, signing flow and entropy design match the user\u2019s needs.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Importantly, the CVE-2025-27840 discussion concerned hidden HCI commands in the original ESP32 Bluetooth controller. Espressif has stated that ESP32-S series chips &#8211; including the ESP32-S3 platform used by Jade Plus &#8211; are not affected by those specific commands.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Based on the information currently available, we do not see a practical reason to discourage users from using either Jade model. For most Bitcoin holders, the risk of keeping meaningful funds on a phone, laptop or exchange account is far greater than the theoretical risk described in speculative ESP32 headlines.<\/span><\/p>\n<h2><b>Conclusion<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The ESP32 is a widely used and capable IoT microcontroller. Its presence in a Bitcoin hardware wallet does not, by itself, mean that user funds are at risk.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The more important question is how the wallet is designed around it: how entropy is generated, how firmware is verified, how signing is isolated, and how clearly users can verify what they are approving.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the case of Blockstream Jade, the available information does not support the claim that CVE-2025-27840 allows attackers to remotely extract private keys or steal funds in normal use.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The practical takeaway is simple: avoid panic headlines, keep wallet firmware up to date, buy devices from trusted sources, and judge hardware wallets by their complete security architecture &#8211; not by one component alone.<\/span><\/p>\n<h3><b>Looking to buy a Blockstream Jade hardware wallet in Vietnam?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">If you are based in Vietnam and would like to improve the security of your Bitcoin holdings, our colleagues at BitcoinVN Shop serve as an<\/span><a href=\"https:\/\/bitcoinvn.io\/insights\/bitcoinvnshop-becomes-official-reseller-of-blockstream-jade\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"> official supplier of Blockstream hardware wallet devices<\/span><\/a><span style=\"font-weight: 400;\"> &#8211; from the <\/span><a href=\"https:\/\/bitcoinvn.io\/shop\/product\/blockstream-jade\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">classic Blockstream Jade entry-level model<\/span><\/a><span style=\"font-weight: 400;\"> to the more advanced <\/span><a href=\"https:\/\/bitcoinvn.io\/shop\/product\/blockstream-jade-plus\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Blockstream Jade Plus<\/span><\/a><span style=\"font-weight: 400;\"> for users who prefer a higher-end device with upgraded hardware features.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8311 size-full\" src=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6.webp\" alt=\"\" width=\"800\" height=\"800\" srcset=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6.webp 800w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-300x300.webp 300w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-150x150.webp 150w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-768x768.webp 768w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-75x75.webp 75w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-444x444.webp 444w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-600x600.webp 600w, https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-6-100x100.webp 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Whether you are setting up your first hardware wallet or looking to improve an existing custody setup, our team can help you find an approach that matches your security requirements and budget.<\/span><\/p>\n<h3><b>Looking for more comprehensive CyberSecurity Consulting?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">For users with larger holdings, business exposure, inheritance planning needs or more complex operational-security requirements, <\/span><a href=\"http:\/\/bitcoinvn.io\/consulting\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">BitcoinVN Consulting<\/span><\/a><span style=\"font-weight: 400;\"> offers 1-to-1 advisory sessions focused on practical self-custody, wallet architecture, cyber hygiene, access control, inheritance planning and broader operational security.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Our team can tailor recommendations to where you are in your Bitcoin journey &#8211; from beginners who want to get their setup right from the start to clients thinking about long-term and intergenerational wealth preservation.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">BitcoinVN Consulting grew out of real-world operational experience: over more than a decade in the Bitcoin industry, we have repeatedly seen avoidable mistakes, weak setup practices and poor operational security lead to preventable losses.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As such, our team is confident in helping clients build custody and operational-security setups proportionate to their actual risk profile.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0The ESP32 chip powers a wide range of connected devices &#8211; from smart home gadgets to certain Bitcoin hardware wallets. In early 2025, reports about undocumented Bluetooth functionality in ESP32 chips raised questions across the security community, including among users of the Blockstream Jade hardware wallet.\u00a0 What is the ESP32 chip? The ESP32 is a [&hellip;]<\/p>\n","protected":false},"author":136,"featured_media":8307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8306","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What users should actually worry about ESP32 chip?<\/title>\n<meta name=\"description\" content=\"ESP32, Jade, and Bitcoin self-custody: discover the actual security concerns and best practices for protecting your Bitcoin.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What users should actually worry about ESP32 chip?\" \/>\n<meta property=\"og:description\" content=\"ESP32, Jade, and Bitcoin self-custody: discover the actual security concerns and best practices for protecting your Bitcoin.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\" \/>\n<meta property=\"og:site_name\" content=\"BitcoinVN Shop\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/BitcoinVNShop\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-31T08:14:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-31T08:50:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"393\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"lienbvn\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bitcoinvnshop\" \/>\n<meta name=\"twitter:site\" content=\"@bitcoinvnshop\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"lienbvn\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\"},\"author\":{\"name\":\"lienbvn\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#\/schema\/person\/f9d6269401546b287782c2b4423693e3\"},\"headline\":\"ESP32 chip, Jade and Bitcoin self-custody: what users should actually worry about\",\"datePublished\":\"2026-05-31T08:14:40+00:00\",\"dateModified\":\"2026-05-31T08:50:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\"},\"wordCount\":1329,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#organization\"},\"image\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\",\"url\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\",\"name\":\"What users should actually worry about ESP32 chip?\",\"isPartOf\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp\",\"datePublished\":\"2026-05-31T08:14:40+00:00\",\"dateModified\":\"2026-05-31T08:50:13+00:00\",\"description\":\"ESP32, Jade, and Bitcoin self-custody: discover the actual security concerns and best practices for protecting your Bitcoin.\",\"breadcrumb\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage\",\"url\":\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp\",\"contentUrl\":\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp\",\"width\":800,\"height\":393},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/bitcoinvn.io\/shop\/store\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ESP32 chip, Jade and Bitcoin self-custody: what users should actually worry about\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#website\",\"url\":\"https:\/\/bitcoinvn.io\/shop\/\",\"name\":\"BitcoinVN Shop\",\"description\":\"Official Hardware Wallet Distributor in Vietnam\",\"publisher\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/bitcoinvn.io\/shop\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#organization\",\"name\":\"BitcoinVN Shop\",\"url\":\"https:\/\/bitcoinvn.io\/shop\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg\",\"contentUrl\":\"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg\",\"width\":1200,\"height\":675,\"caption\":\"BitcoinVN Shop\"},\"image\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/BitcoinVNShop\/\",\"https:\/\/x.com\/bitcoinvnshop\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#\/schema\/person\/f9d6269401546b287782c2b4423693e3\",\"name\":\"lienbvn\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/bitcoinvn.io\/shop\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/504b37c11508a32192667aed1db556b6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/504b37c11508a32192667aed1db556b6?s=96&d=mm&r=g\",\"caption\":\"lienbvn\"},\"url\":\"https:\/\/bitcoinvn.io\/shop\/author\/lienbvn\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What users should actually worry about ESP32 chip?","description":"ESP32, Jade, and Bitcoin self-custody: discover the actual security concerns and best practices for protecting your Bitcoin.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/","og_locale":"en_US","og_type":"article","og_title":"What users should actually worry about ESP32 chip?","og_description":"ESP32, Jade, and Bitcoin self-custody: discover the actual security concerns and best practices for protecting your Bitcoin.","og_url":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/","og_site_name":"BitcoinVN Shop","article_publisher":"https:\/\/www.facebook.com\/BitcoinVNShop\/","article_published_time":"2026-05-31T08:14:40+00:00","article_modified_time":"2026-05-31T08:50:13+00:00","og_image":[{"width":800,"height":393,"url":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp","type":"image\/webp"}],"author":"lienbvn","twitter_card":"summary_large_image","twitter_creator":"@bitcoinvnshop","twitter_site":"@bitcoinvnshop","twitter_misc":{"Written by":"lienbvn","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#article","isPartOf":{"@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/"},"author":{"name":"lienbvn","@id":"https:\/\/bitcoinvn.io\/shop\/#\/schema\/person\/f9d6269401546b287782c2b4423693e3"},"headline":"ESP32 chip, Jade and Bitcoin self-custody: what users should actually worry about","datePublished":"2026-05-31T08:14:40+00:00","dateModified":"2026-05-31T08:50:13+00:00","mainEntityOfPage":{"@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/"},"wordCount":1329,"commentCount":0,"publisher":{"@id":"https:\/\/bitcoinvn.io\/shop\/#organization"},"image":{"@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage"},"thumbnailUrl":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp","inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/","url":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/","name":"What users should actually worry about ESP32 chip?","isPartOf":{"@id":"https:\/\/bitcoinvn.io\/shop\/#website"},"primaryImageOfPage":{"@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage"},"image":{"@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage"},"thumbnailUrl":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp","datePublished":"2026-05-31T08:14:40+00:00","dateModified":"2026-05-31T08:50:13+00:00","description":"ESP32, Jade, and Bitcoin self-custody: discover the actual security concerns and best practices for protecting your Bitcoin.","breadcrumb":{"@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/bitcoinvn.io\/shop\/esp32-chip\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#primaryimage","url":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp","contentUrl":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2026\/05\/ESP32-chip-1.webp","width":800,"height":393},{"@type":"BreadcrumbList","@id":"https:\/\/bitcoinvn.io\/shop\/esp32-chip\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/bitcoinvn.io\/shop\/store\/"},{"@type":"ListItem","position":2,"name":"ESP32 chip, Jade and Bitcoin self-custody: what users should actually worry about"}]},{"@type":"WebSite","@id":"https:\/\/bitcoinvn.io\/shop\/#website","url":"https:\/\/bitcoinvn.io\/shop\/","name":"BitcoinVN Shop","description":"Official Hardware Wallet Distributor in Vietnam","publisher":{"@id":"https:\/\/bitcoinvn.io\/shop\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/bitcoinvn.io\/shop\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/bitcoinvn.io\/shop\/#organization","name":"BitcoinVN Shop","url":"https:\/\/bitcoinvn.io\/shop\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bitcoinvn.io\/shop\/#\/schema\/logo\/image\/","url":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg","contentUrl":"https:\/\/bitcoinvn.io\/shop\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg","width":1200,"height":675,"caption":"BitcoinVN Shop"},"image":{"@id":"https:\/\/bitcoinvn.io\/shop\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/BitcoinVNShop\/","https:\/\/x.com\/bitcoinvnshop"]},{"@type":"Person","@id":"https:\/\/bitcoinvn.io\/shop\/#\/schema\/person\/f9d6269401546b287782c2b4423693e3","name":"lienbvn","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bitcoinvn.io\/shop\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/504b37c11508a32192667aed1db556b6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/504b37c11508a32192667aed1db556b6?s=96&d=mm&r=g","caption":"lienbvn"},"url":"https:\/\/bitcoinvn.io\/shop\/author\/lienbvn\/"}]}},"lang":"en","translations":{"en":8306,"vi":8324,"ja":8316,"ru":8318,"zh":8320,"ko":8326},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/posts\/8306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/users\/136"}],"replies":[{"embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/comments?post=8306"}],"version-history":[{"count":1,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/posts\/8306\/revisions"}],"predecessor-version":[{"id":8315,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/posts\/8306\/revisions\/8315"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/media\/8307"}],"wp:attachment":[{"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/media?parent=8306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/categories?post=8306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop\/wp-json\/wp\/v2\/tags?post=8306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}