{"id":2468,"date":"2017-09-24T16:44:55","date_gmt":"2017-09-24T13:44:55","guid":{"rendered":"https:\/\/www.protectimus.com\/blog\/?p=2468"},"modified":"2025-10-16T20:57:45","modified_gmt":"2025-10-16T17:57:45","slug":"protectimus-slim-nfc-cexio","status":"publish","type":"post","link":"https:\/\/www.protectimus.com\/blog\/protectimus-slim-nfc-cexio\/","title":{"rendered":"How to Set Up Two-Factor Authentication on CEX.io with Protectimus Slim NFC"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.protectimus.com\/slim-mini\/#utm_source=blog&amp;utm_medium=guide-CEX.io\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4983\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-Mini-front-side-10.jpg\" alt=\"Cex.io hardware two-factor authentication token\" width=\"460\" height=\"287\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-Mini-front-side-10.jpg 460w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-Mini-front-side-10-300x187.jpg 300w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/a><\/td>\n<td>\n<h3><em>Learn more about Protectimus Slim NFC token or order one here:<\/em><\/h3>\n<h3><a href=\"https:\/\/www.protectimus.com\/token\/slim\/\" target=\"_blank\" rel=\"noopener\"><em>Protectimus Slim NFC<\/em><\/a><\/h3>\n<p>The best 2FA token to protect your CEX.io account!<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>CEX.io cryptocurrency exchange asks its users to enable 2-factor authentication immediately after registration. But if you don\u2019t use two-factor authentication on CEX.io you can always activate in in security settings.<\/p>\n<p>We prepared 3 guides to add hardware security token Protectimus Slim NFC to CEX.io cryptocurrency exchange:<\/p>\n<ol>\n<li>For those who are new on CEX.io.<\/li>\n<li>For CEX.io users who never activated 2-factor authentication, and now want to enable it with Protectimus Slim NFC.<\/li>\n<li>For those who already use 2-factor authentication with software OTP token.<\/li>\n<\/ol>\n<h2><strong>Guide 1<\/strong><\/h2>\n<p><strong>How to enable CEX.io 2FA with Protectimus Slim NFC for those who are new on CEX.io.<\/strong><\/p>\n<ol>\n<li>Download the <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.protectimus.totpburner.nfc&amp;hl\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">Protectimus TOTP Burner<\/a> application.<\/li>\n<li>Sign up to <a href=\"https:\/\/cex.io\/\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">CEX.io<\/a>.<\/li>\n<li>After registration, choose two-factor authentication via Smartphone app.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2481 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"748\" height=\"534\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12.png 748w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12-300x214.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12-610x435.png 610w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><\/p>\n<ol start=\"4\">\n<li>You will see the QR code with the secret key (seed). Use it to program the Protectimus Slim NFC token.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2472 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"746\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9.png 746w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9-300x212.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9-610x432.png 610w\" sizes=\"auto, (max-width: 746px) 100vw, 746px\" \/><\/p>\n<ol start=\"5\">\n<li>Program the Protectimus Slim NFC token by scanning the QR code. Learn how to program Protectimus Slim NFC token <a href=\"https:\/\/www.protectimus.com\/blog\/program-protectimus-slim-nfc\/\">here<\/a>.<\/li>\n<li>Download 2FA backup key.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2471 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"749\" height=\"527\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10.png 749w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10-300x211.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10-610x429.png 610w\" sizes=\"auto, (max-width: 749px) 100vw, 749px\" \/><\/p>\n<ol start=\"7\">\n<li>To finish the token enrollment enter the one-time password from Protectimus Slim NFC in the field \u201cEnter 2FA code from the app\u201d and press the button \u201cNext\u201d.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2470 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"750\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11.png 750w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11-300x211.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11-610x429.png 610w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><strong>Guide 2<\/strong><\/h2>\n<p><strong>How to enable CEX.io 2FA with Protectimus Slim NFC for existing accounts without enabled two-factor authentication.<\/strong><\/p>\n<ol>\n<li>Download the <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.protectimus.totpburner.nfc&amp;hl\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">Protectimus TOTP Burner<\/a> application.<\/li>\n<li>Login to your <a href=\"https:\/\/cex.io\/\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">CEX.io<\/a> account and initiate the enrolment of software token:<\/li>\n<\/ol>\n<p>Choose &#8220;Profile&#8221; section from the drop-down menu in the right upper corner -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2480 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-1.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"123\" height=\"189\" \/><\/p>\n<p>Go to \u201cSecurity\u201d settings -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2479 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"460\" height=\"103\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2.png 460w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2-300x67.png 300w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<p>Enable two-factor authentication -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2473 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"1119\" height=\"485\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8.png 1119w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-300x130.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-768x333.png 768w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-1024x444.png 1024w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-610x264.png 610w\" sizes=\"auto, (max-width: 1119px) 100vw, 1119px\" \/><\/p>\n<p>Choose 2-factor authentication via Smartphone app.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2481 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"748\" height=\"534\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12.png 748w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12-300x214.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12-610x435.png 610w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><\/p>\n<ol start=\"3\">\n<li>You will see the QR code with the secret key (seed). Use it to program the Protectimus Slim NFC token.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2472 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"746\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9.png 746w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9-300x212.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9-610x432.png 610w\" sizes=\"auto, (max-width: 746px) 100vw, 746px\" \/><\/p>\n<ol start=\"4\">\n<li>Program the Protectimus Slim NFC token by scanning the QR code. Learn how to program Protectimus Slim NFC token <a href=\"https:\/\/www.protectimus.com\/blog\/program-protectimus-slim-nfc\/\">here<\/a>.<\/li>\n<li>Download 2FA backup key.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2471 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"749\" height=\"527\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10.png 749w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10-300x211.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10-610x429.png 610w\" sizes=\"auto, (max-width: 749px) 100vw, 749px\" \/><\/p>\n<ol start=\"6\">\n<li>To finish the token enrollment enter the one-time password from Protectimus Slim NFC in the field \u201cEnter 2FA code from the app\u201d and press the button \u201cNext\u201d.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2470 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"750\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11.png 750w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11-300x211.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11-610x429.png 610w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h2><strong>Guide 3<\/strong><\/h2>\n<p><strong>How to enable CEX.io 2FA with Protectimus Slim NFC for those who already use 2-factor authentication with software OTP token.<\/strong><\/p>\n<p><span style=\"color: #0000ff;\"><em>Note: DON&#8217;T delete Google Authenticator or another application you use for OTP generation until you finish the Protectimus Slim NFC setup.<\/em><\/span><\/p>\n<ol>\n<li>Download the <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.protectimus.totpburner.nfc&amp;hl\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">Protectimus TOTP Burner<\/a> application.<\/li>\n<li>Login to your <a href=\"https:\/\/cex.io\/\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">CEX.io<\/a> account and disable 2-factor authentication with software token:<\/li>\n<\/ol>\n<p>Choose &#8220;Profile&#8221; section from the drop-down menu in the right upper corner -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2480 shadow-img size-full aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-1.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"123\" height=\"189\" \/><\/p>\n<p>Go to \u201cSecurity\u201d settings -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2479 shadow-img size-full aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"460\" height=\"103\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2.png 460w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2-300x67.png 300w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<p>Click the \u201cEdit settings\u201d button -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4979 size-full\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-NFC-CEX-IO-en-3.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"1139\" height=\"609\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-NFC-CEX-IO-en-3.png 1139w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-NFC-CEX-IO-en-3-300x160.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-NFC-CEX-IO-en-3-768x411.png 768w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-NFC-CEX-IO-en-3-1024x548.png 1024w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2017\/09\/Protectimus-Slim-NFC-CEX-IO-en-3-610x326.png 610w\" sizes=\"auto, (max-width: 1139px) 100vw, 1139px\" \/><\/p>\n<p>Deactivate 2FA -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2477 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-4.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"744\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-4.png 744w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-4-300x213.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-4-610x433.png 610w\" sizes=\"auto, (max-width: 744px) 100vw, 744px\" \/><\/p>\n<p>Enter one-time password from your software authenticator to disable authentication app -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2476 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-5.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"747\" height=\"578\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-5.png 747w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-5-300x232.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-5-610x472.png 610w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/p>\n<p>Confirm your actions -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2475 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-6.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"748\" height=\"630\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-6.png 748w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-6-300x253.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-6-610x514.png 610w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><\/p>\n<p>Click the button \u201cI\u2019d like to proceed anyway\u201d.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2474 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-7.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"745\" height=\"582\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-7.png 745w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-7-300x234.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-7-610x477.png 610w\" sizes=\"auto, (max-width: 745px) 100vw, 745px\" \/><\/p>\n<ol start=\"3\">\n<li>Initiate the enrolment of software token one more time:<\/li>\n<\/ol>\n<p>Choose &#8220;Profile&#8221; section from the drop-down menu in the right upper corner -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2480 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-1.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"123\" height=\"189\" \/><\/p>\n<p>Go to \u201cSecurity\u201d settings -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2479 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"460\" height=\"103\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2.png 460w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-2-300x67.png 300w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<p>Enable two-factor authentication -&gt;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2473 shadow-img aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"1119\" height=\"485\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8.png 1119w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-300x130.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-768x333.png 768w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-1024x444.png 1024w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-8-610x264.png 610w\" sizes=\"auto, (max-width: 1119px) 100vw, 1119px\" \/><\/p>\n<p>Choose 2-factor authentication via Smartphone app.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2481 shadow-img size-full aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"748\" height=\"534\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12.png 748w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12-300x214.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-12-610x435.png 610w\" sizes=\"auto, (max-width: 748px) 100vw, 748px\" \/><\/p>\n<p>You will see the QR code with the secret key (seed). Use it to program the Protectimus Slim NFC token.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2472 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"746\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9.png 746w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9-300x212.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-9-610x432.png 610w\" sizes=\"auto, (max-width: 746px) 100vw, 746px\" \/><\/p>\n<ol start=\"4\">\n<li>Program the Protectimus Slim NFC token by scanning the QR code. Learn how to program Protectimus Slim NFC token <a href=\"https:\/\/www.protectimus.com\/blog\/program-protectimus-slim-nfc\/\">here<\/a>.<\/li>\n<li>Download 2FA backup key.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2471 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"749\" height=\"527\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10.png 749w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10-300x211.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-10-610x429.png 610w\" sizes=\"auto, (max-width: 749px) 100vw, 749px\" \/><\/p>\n<ol start=\"6\">\n<li>To finish the token enrollment enter the one-time password from Protectimus Slim NFC in the field \u201cEnter 2FA code from the app\u201d and press the button \u201cNext\u201d.<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full shadow-img wp-image-2470 aligncenter\" src=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11.png\" alt=\"How to Enable CEX.io 2FA with Protectimus Slim NFC\" width=\"750\" height=\"528\" srcset=\"https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11.png 750w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11-300x211.png 300w, https:\/\/www.protectimus.com\/blog\/wp-content\/uploads\/2018\/02\/Protectimus-Slim-NFC-CEX-IO-en-11-610x429.png 610w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<span class=\"et_bloom_bottom_trigger\"><\/span>","protected":false},"excerpt":{"rendered":"<p>Learn more about Protectimus Slim NFC token or order one here: Protectimus Slim NFC The best 2FA token to protect your CEX.io account! CEX.io cryptocurrency exchange asks its users to enable 2-factor authentication immediately after registration. But if you don\u2019t use two-factor authentication on CEX.io you can always activate in in security settings. We prepared [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4981,"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,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[329],"tags":[393,354,335,421],"class_list":["post-2468","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-setup-guides","tag-cex-io","tag-cryptocurrency-exchanges","tag-protectimus-slim-nfc-en","tag-setup-guides"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Detailed instructions on how to set up two-factor authentication on CEX.io cryptocurrency exchange and how to add programmable hardware OTP token 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13:52:27","updated":"2025-10-16 18:12:16"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.protectimus.com\/blog\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.protectimus.com\/blog\/category\/setup-guides\/\" title=\"Setup Guides\">Setup Guides<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tHow to Set Up Two-Factor Authentication on CEX.io with Protectimus Slim NFC\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.protectimus.com\/blog"},{"label":"Setup Guides","link":"https:\/\/www.protectimus.com\/blog\/category\/setup-guides\/"},{"label":"How to Set Up Two-Factor Authentication on CEX.io with Protectimus Slim 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