{"id":80,"date":"2020-01-01T11:00:00","date_gmt":"2020-01-01T02:00:00","guid":{"rendered":"http:\/\/stevenoh0908.kro.kr\/blog\/?p=80"},"modified":"2020-11-30T14:10:52","modified_gmt":"2020-11-30T05:10:52","slug":"blockchain-%ea%b3%b5%eb%b6%80-%eb%85%b8%ed%8a%b8-2","status":"publish","type":"post","link":"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/blockchain-%ea%b3%b5%eb%b6%80-%eb%85%b8%ed%8a%b8-2\/","title":{"rendered":"Blockchain \uacf5\ubd80 \ub178\ud2b8 #2"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"blockchain-2\">Blockchain #2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc9c0\ub09c \uc2dc\uac04\uc5d0 \uc774\uc5b4\uc11c \uc624\ub298\ub3c4 \ube14\ub85d\uccb4\uc778 \uacf5\ubd80\ub97c \ud588\ub2e4. \uacf5\ubd80\ud558\ub294\ub370 \ucc38\uace0\ud55c \uc0ac\uc774\ud2b8\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \uc9c0\ub09c \uc2dc\uac04\uacfc \uac19\uc740 Tutorialspoint\uc758 \uac15\uc88c \uc0ac\uc774\ud2b8\uc778&nbsp;<a href=\"https:\/\/www.tutorialspoint.com\/blockchain\/blockchain_proof_of_work.htm\">\uc5ec\uae30<\/a>\ubd80\ud130 \ucc38\uace0\ud588\ub2e4.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/blockchain-%ea%b3%b5%eb%b6%80-%eb%85%b8%ed%8a%b8-2\/#%EC%9E%91%EC%97%85_%EC%A6%9D%EB%AA%85Proof_of_Work\" >\uc791\uc5c5 \uc99d\uba85(Proof of Work)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/blockchain-%ea%b3%b5%eb%b6%80-%eb%85%b8%ed%8a%b8-2\/#%EC%9A%94%EC%95%BD_%EA%B7%B8%EB%9E%98%EC%84%9C_%EC%96%B4%EB%96%BB%EA%B2%8C_%EB%B8%94%EB%A1%9D%EC%B2%B4%EC%9D%B8%EC%9D%B4_%EB%8F%99%EC%9E%91%ED%95%9C%EB%8B%A4%EA%B3%A0\" >\uc694\uc57d: \uadf8\ub798\uc11c \uc5b4\ub5bb\uac8c \ube14\ub85d\uccb4\uc778\uc774 \ub3d9\uc791\ud55c\ub2e4\uace0?<\/a><\/li><\/ul><\/nav><\/div>\n<h4 class=\"wp-block-heading\" id=\"\uc791\uc5c5-\uc99d\uba85proof-of-work\"><span class=\"ez-toc-section\" id=\"%EC%9E%91%EC%97%85_%EC%A6%9D%EB%AA%85Proof_of_Work\"><\/span>\uc791\uc5c5 \uc99d\uba85(Proof of Work)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/www.tutorialspoint.com\/blockchain\/images\/proof_of_work.jpg\" alt=\"Proof of Work\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc194\uc9c1\ud788 \uc774\ud574\uac00 \uc798 \ub418\uc9c0 \uc54a\ub294 \ubd80\ubd84\uc774\ub2e4. \uadf8\ub798\uc11c \ub2e4\ub978 \ubb38\uc11c\ub4e4\uc744 \uc880 \ub9ce\uc774 \ucc38\uace0\ud588\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ucc38\uace0\ud55c \uc0ac\uc774\ud2b8\uc758 \ub9ac\uc2a4\ud2b8\ub97c \uc218\ub85d\ud55c\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/en.bitcoin.it\/wiki\/Proof_of_work\">Bitcon Wiki: Proof of Work<\/a><\/li><li><a href=\"http:\/\/wiki.hash.kr\/index.php\/%ED%95%B4%EC%8B%9C%EC%BA%90%EC%8B%9C\">\ud574\uc2dc\ub137: \ud574\uc2dc\uce90\uc2dc<\/a><\/li><li><a href=\"https:\/\/brownbears.tistory.com\/373\">brownbears\ub2d8\uc758 tistory<\/a><\/li><li><a href=\"https:\/\/blog.theloop.co.kr\/2017\/06\/01\/%EC%9E%91%EC%97%85%EC%A6%9D%EB%AA%85pow-proof-of-work%EA%B3%BC-%EC%A7%80%EB%B6%84%EC%A6%9D%EB%AA%85pos-proof-of-stake\/\">The Loop \ube14\ub85c\uadf8<\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc77c\ub2e8 \uc791\uc5c5 \uc99d\uba85(Proof of Work, \uc904\uc5ec\uc11c PoW) \uc54c\uace0\ub9ac\uc998\uc740&nbsp;<strong>\ub124\ud2b8\uc6cc\ud06c\uc758 \ubaa8\ub4e0 \ub178\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \ube14\ub85d\uc744 \ub9cc\ub4e4 \uc218 \uc5c6\uac8c \ud558\ub294 \ub370\uc5d0 \ucd08\uc810<\/strong>\uc744 \ub450\ub294 \uc54c\uace0\ub9ac\uc998\uc73c\ub85c, \uc774 \uc54c\uace0\ub9ac\uc998\uc744 \ud1b5\uacfc\ud574\uc57c\ub9cc \ube14\ub85d\uc744 \uc0dd\uc131\ud560 \uc218 \uc788\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uc791\uc5c5 \uc99d\uba85 \uc54c\uace0\ub9ac\uc998\uc740 \ub09c\uc218 \ub300\uc785\uc744 \uc774\uc6a9\ud558\ubbc0\ub85c \uc5c4\uccad\ub09c \ucef4\ud4e8\ud305 \ud30c\uc6cc\ub97c \uc694\uad6c\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc791\uc5c5\uc99d\uba85 \uc54c\uace0\ub9ac\uc998\uc744 \uc0ac\uc6a9\ud558\ub294 \ube14\ub85d\uccb4\uc778\uc758 \ube14\ub85d \ud574\uc2dc\ub294 Difficulty\uc5d0 \ub530\ub77c \uc120\ud0dd\ub41c Target \ub370\uc774\ud130 \uaddc\uaca9\uc744 \ub9cc\uc871\ud574\uc57c \ud569\ub2c8\ub2e4. \ube14\ub85d\ud574\uc2dc\ub294 \ud574\uc2dc \uc54c\uace0\ub9ac\uc998\uc5d0 \uc758\ud574 \ub9cc\ub4e4\uc5b4\uc9c0\uae30 \ub54c\ubb38\uc5d0, Target \ub370\uc774\ud130\ub97c \uac00\uc9c0\uace0 \ub300\uc751\ub418\ub294 \uc785\ub825\uac12\uc744 \uc54c\uc544\ub0bc \uc218 \uc5c6\ub2e4. \ub530\ub77c\uc11c, \ube14\ub85d\uccb4\uc778\uc758 \ub178\ub4dc\ub294 \uc870\uac74\uc744 \ub9cc\uc871\ud558\uae30 \uc704\ud574 Nonce\ub77c\ub294 \uc784\uc758\uc758 \uac12\uc744 \uacc4\uc18d \ub300\uc785\ud558\uac8c \ub418\ub294 \uac83\uc774\uace0, \uc774 Nonce\uac12\uc774 Target \ub370\uc774\ud130 \uc870\uac74\uc744 \ub9cc\uc871\ud558\uba74 \ube14\ub85d\uc774 \uc0dd\uc131\ub418\ub294 \uac83\uc774\uc8e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc791\uc5c5 \uc99d\uba85 \uc54c\uace0\ub9ac\uc998\uc740 Difficulty \uc870\uc808 \uc54c\uace0\ub9ac\uc998\uc744 \uc774\uc6a9\ud558\uc5ec 10\ubd84\ub2f9 1~2\uac1c\uc758 \ube14\ub85d\uc774 \uc0dd\uc131\ub41c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud55c\ub2e4.<br>\ud55c \ud3b8, \ube14\ub85d\uccb4\uc778 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c\ub294 \uadf8 \uccb4\uc778\uc740 \uc120\ud615\uc73c\ub85c \uc5f0\uacb0\ub418\uc5b4\uc57c \ud558\uba70, \ubd84\uae30\uac00 \uc5c6\uc5b4\uc57c \ud55c\ub2e4. \uc774 \ubd84\uae30\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud558\uc5ec \uc0ac\uc6a9\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc774 \uc791\uc5c5\uc99d\uba85 \ud569\uc758 \uc54c\uace0\ub9ac\uc998\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <em>\uc791\uc5c5\uc99d\uba85 \ud569\uc758 \uc54c\uace0\ub9ac\uc998\uc740 \uc77c\uc2dc\uc801\uc73c\ub85c \ud569\uc758\uac00 \uae68\uc9c8 \uc218 \uc788\uc73c\ub098 \ud655\ub960\uc801\uc73c\ub85c \ub9c8\uc9c0\ub9c9\uc5d4 \ud558\ub098\uc758 \ube14\ub85d\uccb4\uc778\uc744 \ud569\uc758\ud558\uac8c \ub418\ub294 \ud569\uc758\uc758 \uc54c\uace0\ub9ac\uc998\uc785\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \ub2e4\ub9cc \uc791\uc5c5\uc99d\uba85 \uc54c\uace0\ub9ac\uc998\uc740 \uc18d\ub3c4\uac00 \uc0c1\ub2f9\ud788 \ub290\ub9ac\uace0, \ucef4\ud4e8\ud305 \uc790\uc6d0\uc774 \uc0c1\ub2f9\ud788 \ub0ad\ube44\ub41c\ub2e4. \ube44\ud2b8\ucf54\uc778 \ud55c \ube14\ub7ed\uc744 \uc0dd\uc131\ud558\uae30 \uc704\ud574\uc11c\ub294 5,000,000TH\/s(1TH\/s = \ucd08\ub2f9 1,000,000,000,000\ubc88\uc758 \ud574\uc2dc\uc5f0\uc0b0)\uc774\uc0c1\uc758 \ud574\uc2dc \ud30c\uc6cc\uac00 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc774\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ub4f1\uc7a5\ud55c \uc54c\uace0\ub9ac\uc998\uc73c\ub85c\ub294 \uc9c0\ubd84 \uc99d\uba85 \uc54c\uace0\ub9ac\uc998\uc774 \uc788\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"\uc694\uc57d-\uadf8\ub798\uc11c-\uc5b4\ub5bb\uac8c-\ube14\ub85d\uccb4\uc778\uc774-\ub3d9\uc791\ud55c\ub2e4\uace0\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%95%BD_%EA%B7%B8%EB%9E%98%EC%84%9C_%EC%96%B4%EB%96%BB%EA%B2%8C_%EB%B8%94%EB%A1%9D%EC%B2%B4%EC%9D%B8%EC%9D%B4_%EB%8F%99%EC%9E%91%ED%95%9C%EB%8B%A4%EA%B3%A0\"><\/span>\uc694\uc57d: \uadf8\ub798\uc11c \uc5b4\ub5bb\uac8c \ube14\ub85d\uccb4\uc778\uc774 \ub3d9\uc791\ud55c\ub2e4\uace0?<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"> \uc9c0\uae08\uae4c\uc9c0 \uc124\uba85\ud55c \ube14\ub85d\uccb4\uc778 \ub124\ud2b8\uc6cc\ud06c\uc758 \ub3d9\uc791\uacfc\uc815\uc744 \uc694\uc57d\ud558\uba74 \uc544\ub798\uc640 \uac19\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\uc5b4\ub5a4 \uac70\ub798\uac00 \ud589\ud574\uc9c0\uba74 \uc591 \uac70\ub798 \uc8fc\uccb4\ub294 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uadf8 \uac70\ub798 \uc815\ubcf4\ub97c \uacf5\uc720\ud55c\ub2e4.<\/li><li>\uadf8 \uc2dc\uac04 \ub3d9\uc548, \ub9ce\uc740 \ub2e4\ub978 \uac70\ub798\ub4e4\uc774 \ubc1c\uc0dd\ud558\uace0 \uc774 \uc815\ubcf4\uac00 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \uacf5\uc720\ub41c\ub2e4.<\/li><li>\uacf5\uc720\ub418\ub294 \uac70\ub798 \uc815\ubcf4\uac00 \ub124\ud2b8\uc6cc\ud06c\uc758 \ubaa8\ub4e0 \ub178\ub4dc\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \uc54a\ub354\ub77c\ub3c4, \ub124\ud2b8\uc6cc\ud06c\uc758 \uac01\uac01\uc758 \ub178\ub4dc\ub4e4\uc774 \uac70\ub798 \uc815\ubcf4\ub97c \ube14\ub85d\uc5d0 \uc9d1\uc5b4\ub123\ub294\ub2e4. \uc774 \ub54c \uac01\uac01\uc758 \ube14\ub85d\uc740 \ub3c5\ub9bd\uc801\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9c0\uae30 \ub54c\ubb38\uc5d0 \ub3d9\uc2dc\ub2e4\ubc1c\uc801\uc73c\ub85c \uc0dd\uc131\ub420 \uc704\ud5d8\uc774 \uc788\ub2e4. \ud558\uc9c0\ub9cc \uc2dc\uc2a4\ud15c\uc740 \uc791\uc5c5 \uc99d\uba85 \uc54c\uace0\ub9ac\uc998\uc744 \ud1b5\ud558\uc5ec \uc774\ub294 \ubc29\uc9c0\ub41c\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, \ube14\ub85d\uc744 \ud615\uc131\ud55c miner\uc5d0\uac8c\ub294 \ube44\ud2b8\ucf54\uc778\uc758 \ud615\ud0dc\ub85c \ubcf4\uc0c1\uc774 \uc8fc\uc5b4\uc9c4\ub2e4.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Blockchain #2 \uc9c0\ub09c \uc2dc\uac04\uc5d0 \uc774\uc5b4\uc11c \uc624\ub298\ub3c4 \ube14\ub85d\uccb4\uc778 \uacf5\ubd80\ub97c \ud588\ub2e4. \uacf5\ubd80\ud558\ub294\ub370 \ucc38\uace0\ud55c \uc0ac\uc774\ud2b8\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \uc9c0\ub09c \uc2dc\uac04\uacfc \uac19\uc740 Tutorialspoint\uc758 \uac15\uc88c \uc0ac\uc774\ud2b8\uc778&nbsp;\uc5ec\uae30\ubd80\ud130 \ucc38\uace0\ud588\ub2e4. \uc791\uc5c5 \uc99d\uba85(Proof of Work) \uc194\uc9c1\ud788 \uc774\ud574\uac00 \uc798 \ub418\uc9c0 \uc54a\ub294 \ubd80\ubd84\uc774\ub2e4. \uadf8\ub798\uc11c \ub2e4\ub978 \ubb38\uc11c\ub4e4\uc744 \uc880 \ub9ce\uc774 \ucc38\uace0\ud588\ub2e4. \ucc38\uace0\ud55c \uc0ac\uc774\ud2b8\uc758 \ub9ac\uc2a4\ud2b8\ub97c \uc218\ub85d\ud55c\ub2e4. <a class=\"read-more\" href=\"https:\/\/stevenoh0908.pe.kr\/blog\/knowledges\/blockchain-%ea%b3%b5%eb%b6%80-%eb%85%b8%ed%8a%b8-2\/\">[&#8230;]<\/a><\/p>\n","protected":false},"author":18,"featured_media":491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0","_share_on_mastodon_status":"%title%\r\n\r\n%excerpt%\r\n\r\n%permalink%"},"categories":[4],"tags":[],"series":[6],"class_list":["post-80","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledges","series-6"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\uce74\ud398\uc9c0\uae30 &#039;\ucc45\ubc8c\ub808&#039;\uc758 Blockchain \uacf5\ubd80 \ub178\ud2b8 #2.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"\ucee4\ud53c\uc0ac\uc720\"\/>\n\t<meta name=\"keywords\" content=\"knowledges\" 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