{"id":15265,"date":"2026-06-10T12:09:06","date_gmt":"2026-06-10T10:09:06","guid":{"rendered":"https:\/\/www.blogseite.com\/quiz\/?p=15265"},"modified":"2026-05-28T12:11:13","modified_gmt":"2026-05-28T10:11:13","slug":"proof-of-work","status":"publish","type":"post","link":"https:\/\/www.blogseite.com\/quiz\/proof-of-work\/","title":{"rendered":"Quiz \u00fcber Proof of Work"},"content":{"rendered":"<figure><\/figure>\n\n    <div id=\"donut-timer-flybutton\" class=\"donut-timer\">\n    <svg class=\"donut-svg\" viewBox=\"0 0 36 36\">\n        <circle class=\"donut-ring\" cx=\"18\" cy=\"18\" r=\"16\" fill=\"none\" stroke=\"#f0f0f0\" stroke-width=\"2\"><\/circle>\n        <circle class=\"donut-segment\" cx=\"18\" cy=\"18\" r=\"16\" fill=\"none\" stroke=\"#4CAF50\" stroke-width=\"2\" \n                stroke-dasharray=\"0 100\" stroke-linecap=\"round\"><\/circle>\n    <\/svg>\n    <span class=\"donut-time\">0s<\/span>\n<\/div>\n    <div class=\"quiz-container\">\n        <div id=\"leaderboard-container\">\n            \n<!-- WP QUADS v. 3.0.4  Shortcode Ad -->\n<div class=\"quads-location quads-ad3204\" id=\"quads-ad3204\" style=\"float:none;margin:100px;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6493352997822853\"\n     crossorigin=\"anonymous\"><\/script>\n<!-- Displayanzeigenblock2 -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-6493352997822853\"\n     data-ad-slot=\"7559083288\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/div>\n            <p><a href=\"https:\/\/www.blogseite.com\/quiz\/es\/\">Es<\/a> gibt noch keine Spieler im Leaderboard f\u00fcr dieses Quiz.<\/p>        <\/div>\n        <br>\n       <div class=\"quiz-question\" id=\"question-0\" data-index=\"0\" \n         >\n        <p><strong>Was ist Proof of Work? \u26cf\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    >\n                Nur Speichern            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    >\n                Konsensmechanismus durch Rechenleistung            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    >\n                Nur Trading            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    >\n                Nur <a href=\"https:\/\/www.blogseite.com\/quiz\/staking\/\">Staking<\/a>            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-1\" data-index=\"1\" \n         class=\"disabled\">\n        <p><strong>Welche <a href=\"https:\/\/www.blogseite.com\/quiz\/kryptowaehrungen\/\">Krypto<\/a> nutzt PoW <a href=\"https:\/\/www.blogseite.com\/quiz\/prominente\/\">prominent<\/a>? \ud83e\ude99<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/ethereum\/\">Ethereum<\/a> (aktuell)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/cardano\/\">Cardano<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/bitcoin\/\">Bitcoin<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                <a href=\"https:\/\/www.blogseite.com\/quiz\/solana\/\">Solana<\/a>            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-2\" data-index=\"2\" \n         class=\"disabled\">\n        <p><strong>Was ist das Ziel von PoW? \ud83c\udfaf<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Nur Speed            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Sicherheit &amp; Dezentralisierung durch Energieaufwand            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Nur Anonymit\u00e4t            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Nur Geb\u00fchren senken            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-3\" data-index=\"3\" \n         class=\"disabled\">\n        <p><strong>Wer f\u00fchrt PoW aus? \ud83d\udc77<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Validator            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Miner            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Nur Developer            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Nur Nutzer            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-4\" data-index=\"4\" \n         class=\"disabled\">\n        <p><strong>Was ist ein &#039;Hash&#039;? \ud83d\udd22<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Passwort            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Digitaler Fingerabdruck der Daten            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Nur Coin            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Nur Wallet            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-5\" data-index=\"5\" \n         class=\"disabled\">\n        <p><strong>Was bedeutet &#039;Difficulty&#039;? \ud83d\udcc9<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Schwierigkeit, einen g\u00fcltigen Hash zu finden            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Nur Preis-Schwankung            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Nur Transaktionszeit            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Nur Wallet-Gr\u00f6\u00dfe            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-6\" data-index=\"6\" \n         class=\"disabled\">\n        <p><strong>Wie wird Difficulty angepasst? \u2699\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Manuell            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Automatisch basierend auf Netzwerk-Hashrate            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Nur bei Halving            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Nur bei Crashs            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-7\" data-index=\"7\" \n         class=\"disabled\">\n        <p><strong>Was ist &#039;ASIC&#039;? \ud83d\udcbb<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Allgemeiner PC            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Spezial-Hardware f\u00fcr <a href=\"https:\/\/www.blogseite.com\/quiz\/mining\/\">Mining<\/a> (Application-Specific Integrated Circuit)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Nur Software            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Nur Wallet            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-8\" data-index=\"8\" \n         class=\"disabled\">\n        <p><strong>Hauptkritik an PoW? \ud83c\udf0d<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Zu schnell            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Hoher Energieverbrauch            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Zu zentralisiert            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Zu billig            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-9\" data-index=\"9\" \n         class=\"disabled\">\n        <p><strong>Was ist &#039;Hashrate&#039;? \u26a1<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Stromkosten            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Rechenleistung des Netzwerks (Hashes pro Sekunde)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Nur <a href=\"https:\/\/www.blogseite.com\/quiz\/speicherarten-quiz\/\">Speicher<\/a>            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Nur Bandbreite            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-10\" data-index=\"10\" \n         class=\"disabled\">\n        <p><strong>Was ist &#039;Nonce&#039;? \ud83d\udd11<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Fester Wert            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Variable Zahl, die Miner \u00e4ndern, um g\u00fcltigen Hash zu finden            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Nur Block-Size            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Nur Timestamp            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-11\" data-index=\"11\" \n         class=\"disabled\">\n        <p><strong>Was passiert bei &#039;51%-Attacke&#039;? \u26a0\ufe0f<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Netzwerk wird schneller            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Angreifer kontrolliert Mehrheit der Hashrate \u2192 Manipulation m\u00f6glich            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Nur Mining stoppt            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Nur Fees steigen            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-12\" data-index=\"12\" \n         class=\"disabled\">\n        <p><strong>Vorteil von PoW? \u2705<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Geringer Energiebedarf            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                Hohe Sicherheit durch physikalischen Aufwand            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Nur Speed            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Nur Einfachheit            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-13\" data-index=\"13\" \n         class=\"disabled\">\n        <p><strong>Nachteil von PoW? \u274c<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Keiner            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Skalierbarkeit\/Energie\/Hardware-Kosten            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Nur Sicherheit            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                Nur Dezentralisierung            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-14\" data-index=\"14\" \n         class=\"disabled\">\n        <p><strong>Was ist &#039;Mining Reward&#039;? \ud83d\udcb0<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Nur Fees            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Neue Coins + Transaktionsgeb\u00fchren f\u00fcr gefundenen Block            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Nur Gehalt            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Nur Spenden            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-15\" data-index=\"15\" \n         class=\"disabled\">\n        <p><strong>Was bedeutet &#039;Orphan Block&#039;? \ud83e\uddf1<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Hauptblock            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Block, der nicht in l\u00e4ngste Kette aufgenommen wird (verwaist)            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Genesis-Block            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Leerer Block            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-16\" data-index=\"16\" \n         class=\"disabled\">\n        <p><strong>Unterschied zu <a href=\"https:\/\/www.blogseite.com\/quiz\/proof-of-stake\/\">Proof of Stake<\/a>? \ud83c\udd9a<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"0\" \n                    disabled>\n                Keiner            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"1\" \n                    disabled>\n                PoW: Energie, PoS: eingesetzte Coins            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"2\" \n                    disabled>\n                Identisch            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"1\" data-index=\"3\" \n                    disabled>\n                Nur bei Bitcoin            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-17\" data-index=\"17\" \n         class=\"disabled\">\n        <p><strong>Was ist &#039;Stratum&#039;? \ud83c\udf10<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"0\" \n                    disabled>\n                Wallet-Protokoll            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"1\" \n                    disabled>\n                Mining-Kommunikationsprotokoll            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"2\" \n                    disabled>\n                Steuer-Tool            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"2\" data-index=\"3\" \n                    disabled>\n                B\u00f6rsen-API            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-18\" data-index=\"18\" \n         class=\"disabled\">\n        <p><strong>Warum dezentrales Mining wichtig? \ud83c\udf0d<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"0\" \n                    disabled>\n                Verhindert Zensur\/Single Point of Failure            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"1\" \n                    disabled>\n                Macht Mining schneller            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"2\" \n                    disabled>\n                Senkt Stromkosten            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"0\" data-index=\"3\" \n                    disabled>\n                Erh\u00f6ht Block-Size            <\/button><br>\n                <hr>\n    <\/div>\n    <div class=\"quiz-question\" id=\"question-19\" data-index=\"19\" \n         class=\"disabled\">\n        <p><strong>Zukunft von PoW? \ud83d\udd2e<\/strong><\/p>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"0\" \n                    disabled>\n                Wird \u00fcberall ersetzt            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"1\" \n                    disabled>\n                Bleibt relevant (Bitcoin) + Nischen\/Effizienz-Updates            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"2\" \n                    disabled>\n                Verschwindet komplett            <\/button><br>\n                    <button class=\"quiz-answer\" data-correct=\"3\" data-index=\"3\" \n                    disabled>\n                Nur f\u00fcr <a href=\"https:\/\/www.blogseite.com\/quiz\/altcoins\/\">Altcoins<\/a>            <\/button><br>\n                <hr>\n    <\/div>\n\n\n    <\/div>\n    <style>\n  .quiz-container {\n    max-width: 1000px;\n    margin: 30px auto;\n    padding: 20px;\n    box-sizing: border-box;\n    text-align: center;\n}\n\n.quiz-question {\n    margin-bottom: 30px;\n    padding: 10px;\n    box-sizing: border-box;\n}\n\n.quiz-question p {\n    font-size: 25px;\n    margin-bottom: 15px;\n    text-align: center;\n    word-wrap: break-word;\n    color:black;\n}\n\n.quiz-answer {\n    display: block;\n    width: 90%;\n    max-width: 300px;\n    margin: 5px auto; \/* vorher: 10px auto *\/\n    padding: 12px 16px;\n    font-size: 20px;\n    cursor: pointer;\n    border: 1px solid #ccc;\n    border-radius: 8px;\n    background-color: #f9f9f9;\n    transition: background-color 0.2s ease, transform 0.1s ease;\n    text-align: center;\n    box-sizing: border-box;\n}\n.quiz-answer:hover {\n    background-color: #eaeaea;\n    transform: scale(1.02);\n}\n\n.quiz-answer.correct {\n    background-color: #d4edda;\n    border-color: green;\n    color:black;\n}\n\n.quiz-answer.incorrect {\n    background-color: #f8d7da;\n    border-color: red;\n    color:black\n}\n\nhr {\n    max-width: 80%;\n    margin: 20px auto;\n}\n\n\/* \ud83d\udcf1 Mobile Friendly Styles *\/\n@media (max-width: 600px) {\n    .quiz-container {\n        padding: 15px;\n    }\n\n    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bold;\n}\n\n\/* Tabellenstil *\/\n.leaderboard-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin-top: 20px;\n}\n\n.leaderboard-table th,\n.leaderboard-table td {\n    padding: 12px 15px;\n    text-align: center;\n    font-size: 16px;\n    color: #333;\n    border-bottom: 1px solid #ddd;\n}\n\n.leaderboard-table th {\n    background-color: #4CAF50;\n    color: white;\n    font-weight: bold;\n}\n\n\/* Zeilenfarben f\u00fcr das Leaderboard *\/\n.leaderboard-table tbody tr:nth-child(even) {\n    background-color: #f2f2f2;\n}\n\n.leaderboard-table tbody tr:hover {\n    background-color: #e0e0e0;\n}\n\n\n  \n.swal2-confirm-green {\n    background-color: #28a745 !important;\n    color: #fff !important;\n    font-weight: bold;\n    padding: 10px 20px;\n    border-radius: 5px;\n    font-size: 1em;\n}\n\n.swal2-cancel-grey {\n    background-color: #ccc !important;\n    color: #333 !important;\n    padding: 10px 20px;\n    border-radius: 5px;\n    font-size: 1em;\n}\n\n.donut-timer {\n    position: fixed;\n    bottom: 20px;\n    left: 20px;\n    width: 60px;\n    height: 60px;\n    border-radius: 50%;\n    background: white;\n    box-shadow: 0 4px 12px rgba(0,0,0,0.2);\n    z-index: 1000;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n}\n\n.donut-svg {\n    width: 100%;\n    height: 100%;\n    position: absolute;\n    transform: rotate(-90deg);\n}\n\n.donut-ring {\n    fill: none;\n    stroke: #f0f0f0;\n    stroke-width: 4;\n}\n\n.donut-segment {\n    fill: none;\n    stroke-width: 4;\n    stroke-linecap: round;\n    transition: stroke 0.5s ease;\n}\n\n.donut-time {\n    font-family: 'Courier New', monospace;\n    font-size: 14px;\n    font-weight: bold;\n    position: relative;\n    z-index: 2;\n}\n\n      \n      \n<\/style>\n\n    <script>\ndocument.addEventListener('DOMContentLoaded', () => {\n    let startTime = Date.now();\n    let timerInterval;\n    let quizCompleted = false;\n    const totalQuestions = document.querySelectorAll('.quiz-question').length;\n    let answeredQuestions = 0;\n    let score = 0;\n    let elapsedSeconds = 0; \/\/ Globale Variable f\u00fcr die gespeicherte Zeit\n\n    \/\/ Donut-Timer-Elemente\n    const donutSegment = document.querySelector('.donut-segment');\n    const donutTimeDisplay = document.querySelector('.donut-time');\n\n    function formatTime(seconds) {\n        const mins = Math.floor(seconds \/ 60);\n        const secs = seconds % 60;\n        return `${String(mins).padStart(2, '0')}:${String(secs).padStart(2, '0')}`;\n    }\n\n    function updateDonutTimer() {\n        if (quizCompleted) return;\n        \n        elapsedSeconds = Math.floor((Date.now() - startTime) \/ 1000);\n        const maxTime = 120; \/\/ 2 Minuten f\u00fcr vollen Farbverlauf\n        const progress = Math.min((elapsedSeconds \/ maxTime) * 100, 100);\n        \n        \/\/ Farbverlauf: Gr\u00fcn \u2192 Gelb\n        const hue = 120 - (120 * (progress \/ 100));\n        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color: #333;\">\n                <div style=\"margin-bottom: 8px;\">\n                    \u23f1\ufe0f <strong>Zeit:<\/strong>\n                    <span style=\"font-size: 1.3em; color: #000;\">${finalTime}<\/span>\n                <\/div>\n                <div>\n                    \u2b50 <strong>Punkte:<\/strong>\n                    <span style=\"font-size: 1.3em; color: orange;\">${score}<\/span>\n                <\/div>\n            <\/div>\n            <p style=\"margin-top: 20px; font-size: 19px; color: #444;\">\n                Trage deinen Namen f\u00fcr die Highscore-Liste ein:\n            <\/p>\n            <input style=\"width:80%;font-size:21px\" id=\"swal-input\" class=\"swal2-input\" placeholder=\"Dein Fantasy Name\">\n            <a id=\"whatsapp-share\" href=\"${whatsappURL}\" target=\"_blank\"\n               style=\"display: inline-block; margin-top: 15px; background-color: #25D366; color: white;\n                      padding: 10px 15px; border-radius: 5px; 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   });\n}\n\n        });\n    });\n});\n});\n    \n    \n    function showLeaderboard() {\n        const quizId = 3162;\n\n        jQuery.get('https:\/\/www.blogseite.com\/quiz\/wp-admin\/admin-ajax.php', {\n            action: 'get_leaderboard',\n            quiz_id: quizId\n        }, function(response) {\n            if (response.success && response.data.length > 0) {\n                let html = '<table style=\"width:100%; border-collapse:collapse; margin-bottom:20px;\">';\n                html += '<thead><tr><th>\ud83d\udc64 Name<\/th><th>\u2b50 Punkte<\/th><th>\u23f1\ufe0f Zeit<\/th><\/tr><\/thead><tbody>';\n                response.data.forEach(entry => {\n                    html += `<tr>\n                        <td>${entry.player_name}<\/td>\n                        <td>${entry.score}<\/td>\n                        <td>${entry.time}<\/td>\n                    <\/tr>`;\n                });\n                html += '<\/tbody><\/table>';\n\n                const 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button.disabled = false; \/\/ Antwort-Buttons aktivieren\n            });\n        }\n    }\n});\n\n<\/script>\n    \n\n\n\n<h3 class=\"wp-block-heading\">\u26cf\ufe0f <strong>Quiz: Proof of Work \u2013 Sicherheit durch Rechenleistung in der Blockchain \ud83c\udf10<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Proof of Work (PoW)<\/strong> ist ein Konsensmechanismus, der in vielen Kryptow\u00e4hrungen verwendet wird, um Transaktionen zu best\u00e4tigen und die <a href=\"https:\/\/www.blogseite.com\/quiz\/blockchain\/\">Blockchain<\/a> zu sichern \u26d3\ufe0f. Dabei m\u00fcssen sogenannte Miner komplexe mathematische Aufgaben l\u00f6sen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Diese Aufgaben erfordern viel Rechenleistung \ud83d\udcbb\u26a1. Der erste Miner, der die Aufgabe l\u00f6st, darf den n\u00e4chsten Block zur Blockchain hinzuf\u00fcgen und erh\u00e4lt daf\u00fcr eine Belohnung in Form von Coins \ud83d\udcb0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Durch diesen Aufwand wird das Netzwerk sicherer \ud83d\udd10, da es sehr teuer und schwierig w\u00e4re, die Blockchain nachtr\u00e4glich zu manipulieren. Genau deshalb gilt Proof of Work als besonders robust, aber auch energieintensiv.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In diesem Quiz kannst du dein Wissen \u00fcber Proof of Work testen \ud83e\udde0\u26cf\ufe0f. Du erf\u00e4hrst mehr \u00fcber die Funktionsweise, Vor- und Nachteile sowie warum dieses System bei Bitcoin eine zentrale Rolle spielt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u26cf\ufe0f Quiz: Proof of Work \u2013 Sicherheit durch Rechenleistung in der Blockchain \ud83c\udf10 Proof of Work (PoW) ist ein Konsensmechanismus, der in vielen Kryptow\u00e4hrungen verwendet wird, um Transaktionen zu best\u00e4tigen&hellip; <\/p>\n","protected":false},"author":1,"featured_media":8266,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3536,3538],"tags":[3596],"class_list":["post-15265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-finanzen","category-kryptowaehrungen","tag-proof-of-work"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quiz \u00fcber Proof of Work - Wieviel wei\u00dft du? - 2026 - Blogseite.com<\/title>\n<meta name=\"description\" content=\"Wieviel wei\u00dft du \u00fcber Proof of Work? 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