{"version":"1.0","provider_name":"Arxelo | Blockchain, Kryptow\u00e4hrung und Infrastruktur f\u00fcr digitale Verm\u00f6genswerte","provider_url":"https:\/\/www.arxelo.com\/de","author_name":"sebastien","author_url":"https:\/\/www.arxelo.com\/de\/author\/sebastien\/","title":"Blockchain Security - Arxelo | Blockchain, Crypto &amp; Digital Asset Infrastructure","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"QXZzcJemXI\"><a href=\"https:\/\/www.arxelo.com\/de\/blockchain-technology\/blockchain-security\/\">Blockchain-Sicherheit<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.arxelo.com\/de\/blockchain-technology\/blockchain-security\/embed\/#?secret=QXZzcJemXI\" width=\"600\" height=\"338\" title=\"&#8222;Blockchain Security&#8220; &#8211; Arxelo | Blockchain, Crypto &amp; Digital Asset Infrastructure\" data-secret=\"QXZzcJemXI\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.arxelo.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"http:\/\/www.arxelo.com\/wp-content\/uploads\/2026\/01\/security.jpg","thumbnail_width":1280,"thumbnail_height":853,"description":"In recent years, blockchain has shifted from a niche technology to a global phenomenon underpinning cryptocurrencies, decentralized finance, and emerging Web3 platforms. Despite its rise, blockchain security remains one of the most misunderstood aspects of the technology. Many people assume that because the word \u201cblockchain\u201d is synonymous with trust and immutability, it is impervious to hacks and fraud. In reality, security in blockchain is nuanced, layered, and constantly evolving."}