{"id":8433,"date":"2021-12-28T23:21:00","date_gmt":"2021-12-28T20:21:00","guid":{"rendered":"https:\/\/alfacash.blog\/?p=8433"},"modified":"2024-02-19T21:51:01","modified_gmt":"2024-02-19T18:51:01","slug":"was-passiert-2021-kryptowahrungswelt","status":"publish","type":"post","link":"https:\/\/alfacash.blog\/de\/2021\/12\/28\/was-passiert-2021-kryptowahrungswelt\/","title":{"rendered":"Was ist dieses Jahr 2021 in der Welt der Kryptow\u00e4hrungen passiert?"},"content":{"rendered":"\n<p>December is a time of reflection on how the past year went and hope for the year ahead. This time, it\u2019s our turn to close 2021. It was a year that, for many, wasn\u2019t as expected (yes, COVID-19 is still with us) but it was very favorable for cryptos. Let\u2019s check December and 2021 in the cryptocurrency world.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>December in the crypto world<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Regulations on crypto<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>On December 13, Russia&#8217;s Central Bank banned cryptocurrency investment funds<\/strong>. <a href=\"https:\/\/cbr.ru\/press\/event\/?id=12526\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">It also reiterated<\/a> that, on previous occasions, it had warned investors about cryptoassets.<br><\/li><li><strong>Turkey is making progress in regulating cryptocurrencies<\/strong>. In this regard, at the end of December, the Binance exchange was fined $750k by the government of this country. The fine comes after the government banned the use of cryptocurrencies as a payment method <a href=\"https:\/\/alfacash.blog\/2021\/04\/18\/turkey-bans-crypto-payments-dogecoin-going-up\/\" target=\"_blank\" rel=\"noreferrer noopener\">in April<\/a>. That was due to the current context of a social and economic crisis the country has been going through.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"602\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-1024x602.jpg\" alt=\"Crypto-regulations-Turkey-AML\" class=\"wp-image-7763\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-1024x602.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-300x176.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-150x88.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-270x159.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-770x453.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-864x508.jpg 864w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-875x515.jpg 875w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-370x218.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-554x326.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-306x180.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-260x153.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280-87x51.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/tax-office-4007106_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>In Spain, December was the month in which some taxpayers received requests<\/strong> for information from the Treasury to declare the possession of cryptoassets during the last four years. <a href=\"https:\/\/theobjective.com\/economia\/2021-12-20\/hacienda-requerimiento-informacion-criptomonedas\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">In the country<\/a>, the wealth tax places cryptoassets from 19% of the total balance. However, it doesn\u2019t indicate a specific formula to stipulate it in the income tax return.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Crypto security<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Mexico was in the crosshairs of hackers during 2021<\/strong>. <a href=\"https:\/\/www.forbes.com.mx\/tecnologia-del-robo-de-criptomonedas-a-audios-falsos-asi-operaran-los-ciberdelincuentes-en-2022\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Compared<\/a> to the previous year, ransomware attacks increased by 127% in this Latin American country. According to <a href=\"https:\/\/blog.avast.com\/2022-predictions-avast\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Avast Software<\/a>, attacks of this type will continue to increase worldwide.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"678\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-1024x678.jpg\" alt=\"Scammers-OpenSea-NFT-Discord\" class=\"wp-image-7826\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-1024x678.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-scaled-150x99.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-scaled-260x172.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-scaled-87x58.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-300x199.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-scaled-18x12.jpg 18w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-scaled.jpg 270w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-770x510.jpg 770w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-768x508.jpg 768w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-778x515.jpg 778w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-370x245.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-554x367.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/08\/hacker-3480124_1280-306x202.jpg 306w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>The number of cryptocurrencies seized by the US IRS multiplied 8 times<\/strong> in 2021 <a href=\"https:\/\/www.cnbc.com\/2021\/12\/19\/what-the-us-government-does-with-its-secret-bitcoin-stockpile.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">compared<\/a> to last year. Thus around $1.2 billion of cryptocurrencies were added to the agency&#8217;s wallets, which stated that its database does not include seizures in addition to money laundering or tax evasion.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A crypto summary: 2021<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>The market capitalization of cryptocurrencies increased by 200% in value<\/strong> compared to the beginning of the year [CoinMarketCap]. In November, it almost reached $3 trillion, up to $1 trillion after just six months. Bitcoin reached <a href=\"https:\/\/alfacash.blog\/2021\/11\/08\/november-all-time-highs-bitcoin-ethereum-solana-axie-more\/\" target=\"_blank\" rel=\"noreferrer noopener\">a new ATH<\/a> of $69,000 on November 10.<br><\/li><li><strong>In January 2021, Tesla CEO Elon Musk began driving Bitcoin adoption<\/strong>, with the purchase of $1.5 billion in BTC. <a href=\"https:\/\/alfacash.blog\/2021\/02\/08\/elon-musk-tesla-bought-1b-bitcoin-will-accept-payment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Subsequently,<\/a> the company sold 10% of this stockpile. In March, Tesla enabled the purchase of its cars with the cryptocurrency, although it later suspended this payment method, claiming that Bitcoin mining <a href=\"https:\/\/alfacash.blog\/2021\/05\/16\/faq-cryptocurrencies-pollution-climate-change\/\" target=\"_blank\" rel=\"noreferrer noopener\">affects the environment<\/a>. The rest of the BTC has been held by the company. All the announcements around Tesla affected the price of the cryptocurrency positively and negatively.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Bitcoin cures cancer<\/p>&mdash; Elon Musk (@elonmusk) <a href=\"https:\/\/twitter.com\/elonmusk\/status\/1461942451053252612?ref_src=twsrc%5Etfw\">November 20, 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>The gas price for Ethereum transactions peaked on May 12, 2021.<\/strong> <a href=\"https:\/\/bitinfocharts.com\/comparison\/ethereum-transactionfees.html#1y\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">On that day<\/a>, the average transaction was almost $70. The rise in popularity of Non-Fungible Tokens (<a href=\"https:\/\/alfacash.blog\/2021\/04\/11\/what-are-non-fungible-tokens-nfts-why-fever-ultimate-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">NFTs<\/a>) and the sustained boom in <a href=\"https:\/\/alfacash.blog\/2020\/09\/09\/how-to-make-thousands-dollars-defi\/\" target=\"_blank\" rel=\"noreferrer noopener\">DeFi ecosystems<\/a> were responsible for the fact that throughout the year transaction fees on this network remained so high. These fees closed the year below $20.<br><\/li><li><strong>Also in May, the American Colonial Pipeline was attacked with ransomware<\/strong>. <a href=\"https:\/\/www.zdnet.com\/article\/colonial-pipeline-ransomware-attack-everything-you-need-to-know\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">This system<\/a> provides about 45% of the east coast&#8217;s supply of diesel, gasoline, and jet fuel. Therefore, the ransomware lockdown caused a major crisis and President Joe Biden declared a state of emergency. To release the system, they had to pay $ 5 million in BTC as a ransom. Soon after, the United States declared war on ransomware.<br><\/li><li><strong>2021 was the year in which not just one, but three Bitcoin ETFs were listed on Wall Street<\/strong> for the first time. BITO and XBTF on NYSE, and BFT on NASDAQ. <a href=\"https:\/\/alfacash.blog\/2021\/10\/19\/bitcoin-going-new-record-after-us-etf-approval\/\" target=\"_blank\" rel=\"noreferrer noopener\">These are<\/a> the Bitcoin ETFs that took 8 years to be approved by the SEC.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">The Bitcoin ETF, BITO, has been out for a while now, and, so far, it&#39;s looking like a safe option for people looking to deal in this digital currency. <a href=\"https:\/\/twitter.com\/hashtag\/Bitcoin?src=hash&amp;ref_src=twsrc%5Etfw\">#Bitcoin<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/BTC?src=hash&amp;ref_src=twsrc%5Etfw\">#BTC<\/a> <a href=\"https:\/\/t.co\/6ZIa6bZ4UO\">https:\/\/t.co\/6ZIa6bZ4UO<\/a><\/p>&mdash; Meerkat Investor Insights (@MeerkatInvestor) <a href=\"https:\/\/twitter.com\/MeerkatInvestor\/status\/1475972019124682752?ref_src=twsrc%5Etfw\">December 28, 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>This was also the year of <a href=\"https:\/\/alfacash.blog\/2021\/12\/22\/first-nft-collections-unique-story\/\" target=\"_blank\" rel=\"noreferrer noopener\">NFTs<\/a>. <strong>On Nov. 15, sales of NFTs reached their ATH at $46 billion.<\/strong> <a href=\"https:\/\/dappradar.com\/ronin\/games\/axie-infinity\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Axie Infinity<\/a> tops the list of most played NFT games this 2021, with a volume of $563.6 million, a capitalization of $18.31 million, and over 770k players. Among the entities that entered the NFT market this year are McLaren, Dolce and Gabbana, Twitter, Coca-Cola, TikTok, EA, Sony Music, and Samsung.<br><\/li><li><strong>The International Monetary Fund (IMF) reiterated its determination to regulate Bitcoin<\/strong>. Its representatives <a href=\"https:\/\/blogs.imf.org\/2021\/12\/09\/global-crypto-regulation-should-be-comprehensive-consistent-and-coordinated\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">referred<\/a> to the need to regulate bitcoin on several occasions throughout 2021. In April, they called it &#8220;a reality&#8221; that should be regulated by entities around the world. In its Global Financial Stability Report, they recognized cryptocurrencies as the second topic of global interest in financial matters. In December, its executives recalled the need for global regulation on cryptos.<br><\/li><li><strong>2021 was the worst year for Bitcoin in China<\/strong>. <a href=\"https:\/\/alfacash.blog\/2021\/10\/17\/chinas-cryptocurrency-ban-how-can-affect-overseas\/\" target=\"_blank\" rel=\"noreferrer noopener\">This country<\/a> held 65% of the total Bitcoin mining hash and was part of the world&#8217;s largest cryptocurrency market. However, this 2021, the Chinese government ended up banning all economic activities with Bitcoin and cryptocurrencies in the country.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-1024x768.jpg\" alt=\"China-top-crypto-users\" class=\"wp-image-6873\" srcset=\"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-1024x768.jpg 1024w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-300x225.jpg 300w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-150x113.jpg 150w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-16x12.jpg 16w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-240x180.jpg 240w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-687x515.jpg 687w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-677x508.jpg 677w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-370x278.jpg 370w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-554x416.jpg 554w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-306x230.jpg 306w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-327x245.jpg 327w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-260x195.jpg 260w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280-87x65.jpg 87w, https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/03\/bitcoin-5001164_1280.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>El Salvador <a href=\"https:\/\/alfacash.blog\/2021\/06\/09\/el-salvador-new-legal-paradise-bitcoin-mining\/\" target=\"_blank\" rel=\"noreferrer noopener\">surprised<\/a> the world with an announcement in the middle of the year: <strong>Bitcoin would become legal tender in this country<\/strong>. Only three months were enough for the measure to become a reality with the Bitcoin Law. Thus, anyone with the necessary infrastructure is under the obligation to receive payments with cryptocurrency. <a href=\"https:\/\/alfacash.blog\/2021\/09\/19\/bitcoin-legal-currency-salvador-panama-ukraine-more\/\" target=\"_blank\" rel=\"noreferrer noopener\">Other countries<\/a>, like Cuba and Ukraine, also made Bitcoin officially legal.<br><\/li><li>Among the plans of Nayib Bukele, the president behind this initiative <strong>is the creation of a Bitcoin City.<\/strong> This city <a href=\"https:\/\/www.valoraanalitik.com\/2021\/12\/04\/bitcoin-city-en-el-salvador-cual-es-la-dimension-real-de-este-proyecto\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">would be built<\/a> with national bonds linked to Bitcoin. On the subject of cryptocurrency mining, the country&#8217;s government also decided to use the energy of its volcanoes and put to work around 300 machines that connect to the network via satellite.<br><\/li><li><strong>The Central American country closed in 2021 with the purchase of 21 BTC<\/strong>, totaling 1,391 BTC units in its national treasury.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">And we are buying 21 <a href=\"https:\/\/twitter.com\/hashtag\/bitcoin?src=hash&amp;ref_src=twsrc%5Etfw\">#bitcoin<\/a> for the occasion \ud83e\udd73 <a href=\"https:\/\/t.co\/xKo80nhYOn\">https:\/\/t.co\/xKo80nhYOn<\/a><\/p>&mdash; Nayib Bukele \ud83c\uddf8\ud83c\uddfb (@nayibbukele) <a href=\"https:\/\/twitter.com\/nayibbukele\/status\/1473489844521385985?ref_src=twsrc%5Etfw\">December 22, 2021<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Poly Network was the protagonist of the largest DeFi hack in history during 2021<\/strong>. <a href=\"https:\/\/alfacash.blog\/2021\/08\/11\/greatest-defi-hack-history-poly-begs-hacker-returns\/\" target=\"_blank\" rel=\"noreferrer noopener\">In August<\/a>, a hacker stole more than $600 million in ETH, USDC, DAI, UNI, SHIB, FEI, MATIC, and various BSC tokens from them. Fortunately, the hacker returned 100% of the funds and stated that they did it just for fun.<\/li><\/ul>\n\n\n\n<p>2021, in general, was a year of economic recovery for the cryptocurrency world. 2022 and the introduction of the metaverse promises much greater distribution of cryptocurrencies among the masses and a breakthrough in building Web 3.0.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"has-text-align-center\"><em>Wanna trade Bitcoin and other tokens? You can do it<\/em>\u00a0<em>safely\u00a0<a href=\"https:\/\/www.alfa.cash\/buy\/bitcoin\" target=\"_blank\" rel=\"noreferrer noopener\">on Alfacash<\/a>! And don\u2019t forget we\u2019re talking about this and a lot of other things on our social media.<br><br><\/em><a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\"><a href=\"https:\/\/twitter.com\/alfacash_crypto\" target=\"_blank\" rel=\"noreferrer noopener\">Twitter<\/a>\u00a0*\u00a0<a href=\"https:\/\/t.me\/AlfacashCommunity\" target=\"_blank\" rel=\"noreferrer noopener\">Telegram<\/a>\u00a0*\u00a0<a href=\"https:\/\/www.instagram.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Instagram<\/a> * <a href=\"https:\/\/www.youtube.com\/channel\/UCOl4fdRHj8AseQ5b6z9udaw\" target=\"_blank\" rel=\"noreferrer noopener\">Youtube<\/a>\u00a0*<a href=\"https:\/\/www.facebook.com\/alfacashstore\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook<\/a>\u00a0\u00a0*\u00a0<a href=\"https:\/\/vk.com\/alfacashcrypto\" target=\"_blank\" rel=\"noreferrer noopener\">Vkontakte<\/a><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dies war ein Jahr, das f\u00fcr viele nicht sehr gut war, aber es war g\u00fcnstig f\u00fcr Kryptos. Schauen wir uns 2021 in der Welt der Kryptow\u00e4hrungen an!<\/p>","protected":false},"author":5,"featured_media":8441,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_ef_editorial_meta_date_first-draft-date":"","_ef_editorial_meta_paragraph_assignment":"","_ef_editorial_meta_checkbox_needs-photo":"","_ef_editorial_meta_number_word-count":"","footnotes":""},"categories":[47],"tags":[219,43,218,84,277,118,253],"class_list":{"0":"post-8433","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-market-trends-alfacash","8":"tag-219","9":"tag-bitcoin","10":"tag-cryptocurrency-market","11":"tag-defi","12":"tag-nfts","13":"tag-regulations","14":"tag-summary"},"featured_image_src":"https:\/\/alfacash.blog\/wp-content\/uploads\/2021\/12\/05.jpg","author_info":{"display_name":"Isabel P\u00e9rez","author_link":"https:\/\/alfacash.blog\/de\/author\/isabel\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What happened this 2021 in the cryptocurrency world? - alfa.cash blog<\/title>\n<meta name=\"description\" content=\"This was a year that wasn\u2019t very good for many, but it was favorable for cryptos. Let\u2019s check 2021 in the cryptocurrency world!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alfacash.blog\/de\/2021\/12\/28\/was-passiert-2021-kryptowahrungswelt\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What happened this 2021 in the cryptocurrency world?\" \/>\n<meta property=\"og:description\" content=\"This was a year that wasn\u2019t very good for many, but it was favorable for cryptos. 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