{"version":"1.0","provider_name":"\u30af\u30ea\u30d7\u30c8\u30c9\u30c3\u30c8\u30a4\u30f3","provider_url":"https:\/\/cryptd.in\/ja","author_name":"cryptd.in","author_url":"https:\/\/cryptd.in\/ja\/author\/cryptd-in\/","title":"The History and Future of Physical Bitcoin - cryptd.in","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"pTKADo7rfZ\"><a href=\"https:\/\/cryptd.in\/ja\/the-history-and-future-of-physical-bitcoin\/\">The History and Future of Physical Bitcoin<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/cryptd.in\/ja\/the-history-and-future-of-physical-bitcoin\/embed\/#?secret=pTKADo7rfZ\" width=\"600\" height=\"338\" title=\"&#8220;The History and Future of Physical Bitcoin&#8221; &#8212; cryptd.in\" data-secret=\"pTKADo7rfZ\" 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:\/\/cryptd.in\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/bitcoinmagazine.com\/wp-content\/uploads\/2026\/05\/final-thumbnail-.webp","thumbnail_width":600,"thumbnail_height":315,"description":"Bitcoin Magazine The History and Future of Physical Bitcoin Bitcoin\u2019s digital nature is the source of most of its advantages. Since it is programmable, it unlocks self-custody practices that can make theft and confiscation very difficult. Since it is digital, it can move at the speed of light, allowing movement of value and settlement across the globe in minutes.\u00a0 Nevertheless, Bitcoin has at times been criticized for being hard to grasp, literally. Bitcoin, in its natural state, can not be touched, can not be physically held; it can only be imagined and understood. To many people, that\u2019s a significant barrier and one that has inspired quite a few attempts to [&hellip;]"}