1.0Liberty Street Economicshttps://libertystreeteconomics.newyorkfed.orgblog authorhttps://libertystreeteconomics.newyorkfed.org/author/blog-author/rich600338<blockquote class="wp-embedded-content" data-secret="GsSxZbJdPv"><a href="https://libertystreeteconomics.newyorkfed.org/2014/11/bitcoin-how-likely-is-a-51-percent-attack/">Bitcoin: How Likely Is a 51 Percent Attack?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://libertystreeteconomics.newyorkfed.org/2014/11/bitcoin-how-likely-is-a-51-percent-attack/embed/#?secret=GsSxZbJdPv" width="600" height="338" title="“Bitcoin: How Likely Is a 51 Percent Attack?” — Liberty Street Economics" data-secret="GsSxZbJdPv" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); </script> Rod Garratt and Rosa Hayes In June 2014, the mining pool Ghash.IO briefly controlled more than half of all mining power in the Bitcoin network, awakening fears that it might attempt to manipulate the blockchain, the public record of all Bitcoin transactions. Alarming headlines splattered the blogosphere. But should members of the Bitcoin community be […]https://libertystreeteconomics.newyorkfed.org/wp-content/uploads/sites/2/2014/11/6a01348793456c970c01bb07b12727970d-450wi.gif