{"version":"1.0","provider_name":"Arxelo | Blockchain, crypto et infrastructure d'actifs num\u00e9riques","provider_url":"https:\/\/www.arxelo.com\/fr","author_name":"sebastien","author_url":"https:\/\/www.arxelo.com\/fr\/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=\"uwqEga3u88\"><a href=\"https:\/\/www.arxelo.com\/fr\/blockchain-technology\/blockchain-security\/\">S\u00e9curit\u00e9 de la blockchain<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.arxelo.com\/fr\/blockchain-technology\/blockchain-security\/embed\/#?secret=uwqEga3u88\" width=\"600\" height=\"338\" title=\"\u00ab S\u00e9curit\u00e9 de la blockchain \u00bb \u2014 Arxelo | Infrastructure pour la blockchain, les cryptomonnaies et les actifs num\u00e9riques\" data-secret=\"uwqEga3u88\" 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."}