{"id":826,"date":"2016-04-30T09:37:43","date_gmt":"2016-04-30T06:37:43","guid":{"rendered":"http:\/\/esanu.name\/vitalie\/?p=826"},"modified":"2016-04-30T09:37:43","modified_gmt":"2016-04-30T06:37:43","slug":"de-la-numere-arabe-la-sha256","status":"publish","type":"post","link":"http:\/\/esanu.name\/vitalie\/?p=826","title":{"rendered":"De la numere arabe la SHA256"},"content":{"rendered":"<p>\t\t\t\t<figure id=\"attachment_734\" aria-describedby=\"caption-attachment-734\" style=\"width: 290px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/esanu.name\/vitalie\/wp-content\/uploads\/2014\/02\/photo-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/esanu.name\/vitalie\/wp-content\/uploads\/2014\/02\/photo-1-300x225.jpg\" alt=\"Mining Rig\" width=\"300\" height=\"225\" class=\"size-medium wp-image-734\" \/><\/a><figcaption id=\"caption-attachment-734\" class=\"wp-caption-text\">4x HD Radeon 7950 Cards mining rig<\/figcaption><\/figure><br \/>\n\u00cen secolul 13, Leonardo di Pisa, \u0219tiut sub nickname-ul Fibonacci, unul dintre cei mai talenta\u021bi matematicieni din istoria omenirii, a fost \u00een Africa de Nord unde a \u00eenv\u0103\u021bat despre matematica arab\u0103. C\u00e2nd s-a \u00eentors \u00een Italia a scris o carte \u201cLiber Abaci\u201d unde a ar\u0103tat beneficiile sistemului Hindu-Arabic de numera\u021bie. Pe acele timpuri se utiliza sistemul Roman de numera\u021bie.<\/p>\n<p>P\u0103i iat\u0103, noul sistem de numera\u021bie arabic, din cauza rivalit\u0103\u021bii dintre biserica cre\u0219tin\u0103 \u0219i musulmani, a fost interzis de c\u0103tre autorit\u0103\u021bi. Au fost invocate multe motive: ce se va \u00eent\u00e2mpla dac\u0103 toat\u0103 prostimea va reu\u0219i s\u0103 \u00eenve\u021be a num\u0103ra, c\u0103 cifrele pot fi u\u0219or modificate \u0219i pot fi manipulate cifrele contabile\u2026. Cine utiliza sistemul de numera\u021bie era considerat criminal!<\/p>\n<p>A luat tocmai 200 de ani ca Europa s\u0103 \u00een\u021beleag\u0103 avantajul noului sistem de numera\u021bie.<\/p>\n<p>Am impresia c\u0103 acum am revenit \u00een Evul mediu. A ap\u0103rut un nou mediu de comunicare &#8211; Internetul \u0219i tututor le-a \u00eentunecat mintea. Cele mai mari crime au ap\u0103rut aici. Iar <a href=\"http:\/\/esanu.name\/vitalie\/?p=809\">cei care fac legile abereaz\u0103<\/a> cum pot: perchezi\u021bii informatice, spionare de trafic, <a href=\"http:\/\/esanu.name\/vitalie\/?p=663\">protec\u021bia dreptului de autor<\/a>, plasare de linkuri &#8220;<a href=\"http:\/\/esanu.name\/vitalie\/?p=374\">piratate<\/a>&#8220;.<\/p>\n<p>Mai nou, ru\u0219ii vor s\u0103 bage la pu\u0219c\u0103rie pe cei care produc bitcoini. Adic\u0103 pentru faptul c\u0103 rezolv\u0103 o puzzle matematic (SHA256) \u0219i sunt r\u0103spl\u0103ti\u021bi cu un num\u0103r s\u0103 stea la pu\u0219c\u0103rie 7 ani. <\/p>\n<p>S\u0103 o \u021binem tot a\u0219a, s\u0103 mai batem pasul pe loc \u00eenc\u0103 m\u0103car o sut\u0103 de ani p\u00e2n\u0103 ne vom da seama!<\/p>\n<p>PS: <a href=\"http:\/\/www.interfax.ru\/business\/497887\" title=\"Banned bitcoin\">Linkul cu pricina<\/a> \u0219i \u00een <a href=\"http:\/\/www.bloomberg.com\/news\/articles\/2016-04-28\/russian-law-would-send-bitcoin-users-to-jail-as-cybercriminals\" title=\"Banned bitcoin\">englez\u0103<\/a>.\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00cen secolul 13, Leonardo di Pisa, \u0219tiut sub nickname-ul Fibonacci, unul dintre cei mai talenta\u021bi matematicieni din istoria omenirii, a fost \u00een Africa de Nord unde a \u00eenv\u0103\u021bat despre matematica arab\u0103. C\u00e2nd s-a \u00eentors \u00een Italia a scris o carte \u201cLiber Abaci\u201d unde a ar\u0103tat beneficiile sistemului Hindu-Arabic de numera\u021bie. Pe acele timpuri se utiliza &#8230; <a title=\"De la numere arabe la SHA256\" class=\"read-more\" href=\"http:\/\/esanu.name\/vitalie\/?p=826\" aria-label=\"More on De la numere arabe la SHA256\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-826","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=\/wp\/v2\/posts\/826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=826"}],"version-history":[{"count":0,"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=\/wp\/v2\/posts\/826\/revisions"}],"wp:attachment":[{"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=826"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/esanu.name\/vitalie\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}