{"id":17991,"date":"2023-05-19T10:26:58","date_gmt":"2023-05-19T07:26:58","guid":{"rendered":"https:\/\/t4t-com-php8.wp-dev.int.theitops.net\/?p=17991"},"modified":"2023-11-06T11:51:20","modified_gmt":"2023-11-06T09:51:20","slug":"blockchain-technology-and-digital-currencies","status":"publish","type":"post","link":"https:\/\/www.t4tradein.com\/pt\/blockchain-technology-and-digital-currencies\/","title":{"rendered":"A tecnologia blockchain e as moedas digitais"},"content":{"rendered":"<p>A tecnologia blockchain \u00e9 uma inova\u00e7\u00e3o revolucion\u00e1ria, com potencial para mudar diversas ind\u00fastrias em todo o mundo. Onde se incluem as de cuidados de sa\u00fade, gest\u00e3o da cadeia de abastecimentos, finan\u00e7as, infraestruturas e energia, administra\u00e7\u00e3o p\u00fablica, retalho, informa\u00e7\u00e3o e comunica\u00e7\u00e3o, para al\u00e9m de muitas outras. Tamb\u00e9m se afirma que a blockchain desempenha um papel fundamental na \u00e1rea das criptomoedas, sobretudo para manter um registo das transa\u00e7\u00f5es seguro e descentralizado.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-characteristics-of-blockchain-technology\"><strong>Caracter\u00edsticas fundamentais da tecnologia blockchain:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0 A blockchain \u00e9 um sistema descentralizado sem supervis\u00e3o ou controlo por parte de qualquer governo, entidade ou organismo regulador.<\/li>\n\n\n\n<li>\u00c9 uma base de dados, ou registo, de contabilidade distribu\u00edda, que permite transa\u00e7\u00f5es seguras e transparentes entre as diferentes partes, sem necessidade de intermedi\u00e1rios.<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pode ser utilizada para tornar os dados imut\u00e1veis (altera\u00e7\u00e3o de dados imposs\u00edvel), independentemente da ind\u00fastria.<\/li>\n<\/ul>\n\n\n\n<p class=\"translation-block\">A tecnologia blockchain possibilitou a cria\u00e7\u00e3o e o funcionamento de moedas digitais, como a Bitcoin, Ethereum e outras. Neste artigo, iremos explorar o papel da tecnologia blockchain em moedas digitais e qual o seu impacto na ind\u00fastria financeira.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"850\" height=\"360\" src=\"\/wp-content\/uploads\/2023\/05\/blockchain-technology-cryptocurrencies.gif\" alt=\"A digital wallet filled with various cryptocurrencies, showcasing the power of blockchain technology.\" class=\"wp-image-17995\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-a-closer-look-at-blockchain\"><strong>Analisemos mais de perto a blockchain<\/strong><\/h2>\n\n\n\n<p>A blockchain \u00e9 um registo digital descentralizado que grava as transa\u00e7\u00f5es de forma segura e transparente. \u00c9 partilhada entre uma rede de computadores (nodes) que comunicam entre si para validar e confirmar as transa\u00e7\u00f5es. Cada bloco da blockchain cont\u00e9m um conjunto de transa\u00e7\u00f5es. Quando um bloco \u00e9 adicionado \u00e0 cadeia j\u00e1 n\u00e3o pode ser alterado ou apagado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>A tecnologia blockchain tem diversas vantagens:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0\u00a0\u00a0\u00a0 Descentraliza\u00e7\u00e3o, i.e., a blockchain n\u00e3o \u00e9 controlada por uma autoridade central e s\u00e3o atribu\u00eddos direitos\/responsabilidades iguais a todos os nodes da rede.<\/li>\n\n\n\n<li>Transpar\u00eancia, o que garante que todas as transa\u00e7\u00f5es s\u00e3o vis\u00edveis a todos os participantes e que a validade das transa\u00e7\u00f5es pode ser verificada por qualquer pessoa.<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0 A blockchain \u00e9 considerada segura relativamente ao acesso n\u00e3o autorizado ou manipula\u00e7\u00e3o devido \u00e0 aplica\u00e7\u00e3o de princ\u00edpios de descentraliza\u00e7\u00e3o, criptografia e de consenso.&nbsp;<\/li>\n\n\n\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0 A imutabilidade significa que quando uma transa\u00e7\u00e3o \u00e9 registada na blockchain, j\u00e1 n\u00e3o pode ser alterada ou apagada.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-digital-currencies\"><strong>O que s\u00e3o moedas digitais?<\/strong><\/h2>\n\n\n\n<p>As moedas digitais s\u00e3o um tipo de moeda que existe apenas de forma digital e que utiliza t\u00e9cnicas de encripta\u00e7\u00e3o para proteger e verificar transa\u00e7\u00f5es. Ao contr\u00e1rio das moedas tradicionais, as moedas digitais n\u00e3o contam com o respaldo de uma autoridade central ou governo. O seu valor \u00e9 determinado pela oferta\/procura do mercado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>No entanto, as moedas digitais acarretam riscos:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\">\u00a0 Volatilidade. As moedas digitais s\u00e3o extremamente vol\u00e1teis e os seus valores oscilam r\u00e1pida e inesperadamente, por vezes em apenas umas horas. Por isso, s\u00e3o frequentemente consideradas um investimento demasiado arriscado.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\">Aus\u00eancia de supervis\u00e3o regulat\u00f3ria. Normalmente, as moedas tradicionais e os sistemas financeiros s\u00e3o regulados por governos ou bancos. As moedas digitais n\u00e3o o s\u00e3o, o que as torna mais vulner\u00e1veis a fraudes ou manipula\u00e7\u00e3o.<\/li>\n\n\n\n<li class=\"translation-block\">Seguran\u00e7a. Tipicamente, as moedas digitais s\u00e3o guardadas em carteiras (wallets) digitais, que s\u00e3o passiveis de pirataria ou de roubo. Se uma wallet ficar comprometida, as moedas digitais nela guardadas podem ser totalmente perdidas.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"850\" height=\"360\" src=\"\/wp-content\/uploads\/2023\/05\/blockchain-cryptocurrencies.png\" alt=\"Securely linked boxes with chains, surrounded by currencies, exemplifying financial security and the innovation of blockchain technology.\" class=\"wp-image-17996\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\">\u00a0\u00a0 Uso limitado: As moedas digitais ainda n\u00e3o s\u00e3o geralmente aceites como forma de pagamento, o que reduz a sua utilidade. Adicionalmente, alguns governos baniram ou limitaram totalmente a utiliza\u00e7\u00e3o  de moedas digitais, o que \u00e9 uma dificuldade adicional \u00e0 sua ado\u00e7\u00e3o generalizada.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\">Esquemas fraudulentos: As moedas digitais n\u00e3o est\u00e3o isentas de controv\u00e9rsia, atraindo burl\u00f5es que promovem esquemas fraudulentos ou que vendem moedas digitais falsas. \u00c9 crucial exercer uma hiper vigil\u00e2ncia.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"translation-block\">\u00a0\u00a0 Impacto ambiental: O processo de minera\u00e7\u00e3o de criptomoedas consome uma grande quantidade de energia. O que levanta preocupa\u00e7\u00f5es consider\u00e1veis sobre o impacto negativo que pode ter no ambiente.<\/li>\n<\/ul>\n\n\n\n<p>\u00c9 muito claro que muitos destes riscos ter\u00e3o de ser considerados e avaliados antes de investir em moedas digitais. Para al\u00e9m disso, os investidores dever\u00e3o estar cientes que s\u00f3 dever\u00e3o investir os montantes que podem perder, uma vez que o risco de incorrer em perdas elevadas \u00e9 enorme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-popular-digital-currencies\"><strong>Moedas digitais populares<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Bitcoin<\/strong><\/h3>\n\n\n\n<p>Criada em 2009, a Bitcoin \u00e9, provavelmente, a moeda digital mais conhecida em todo o mundo. Esta moeda baseia-se na tecnologia blockchain. Utiliza uma rede descentralizada de computadores para processar as transa\u00e7\u00f5es. As transa\u00e7\u00f5es na blockchain da Bitcoin s\u00e3o verificadas e confirmadas por nodes de redes e, quando a transa\u00e7\u00e3o \u00e9 confirmada, \u00e9 registada na blockchain.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Ethereum<\/strong><\/h3>\n\n\n\n<p>Criada em 2015, a Ethereum tamb\u00e9m conquistou popularidade, n\u00e3o s\u00f3 como moeda digital, mas tamb\u00e9m como plataforma que permite, aos programadores, construir aplica\u00e7\u00f5es descentralizadas (dapps), utilizando a tecnologia blockchain. A criptomoeda Ethereum \u00e9 chamada Ether, que \u00e9 utilizada para pagar transa\u00e7\u00f5es na blockchain Ethereum.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-role-of-blockchain-relative-to-digital-currencies\"><strong>O papel da blockchain face \u00e0s moedas digitais<\/strong><\/h2>\n\n\n\n<p>Certamente que a tecnologia blockchain contribuiu significativamente para o desenvolvimento das moedas digitais.<\/p>\n\n\n\n<p>Em primeiro lugar, a tecnologia blockchain possibilitou a cria\u00e7\u00e3o de moedas digitais descentralizadas, como a Bitcoin e a Ethereum. Como resultado, nenhuma criptomoeda \u00e9 regulada ou controlada por uma autoridade central ou por um intermedi\u00e1rio. O que tamb\u00e9m significa que todas as transa\u00e7\u00f5es s\u00e3o processadas e verificadas por uma rede global de computadores (nodes).<\/p>\n\n\n\n<p>Em segundo lugar, a tecnologia blockchain tamb\u00e9m garante um n\u00edvel incompar\u00e1vel de transpar\u00eancia relativamente \u00e0 forma como as moedas digitais s\u00e3o usadas ao permitir, a qualquer pessoa, visualizar todas as transa\u00e7\u00f5es na blockchain. Esta transpar\u00eancia procura garantir que as transa\u00e7\u00f5es s\u00e3o seguras e tem por objetivo contribuir para evitar fraudes e corrup\u00e7\u00e3o.<\/p>\n\n\n\n<p>Em terceiro lugar, a tecnologia blockchain utiliza t\u00e9cnicas criptogr\u00e1ficas para proteger as moedas digitais do acesso e manipula\u00e7\u00e3o n\u00e3o autorizados. A seguran\u00e7a dada pela tecnologia blockchain tem por objetivo garantir que:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a0 as transa\u00e7\u00f5es s\u00e3o seguras e protegidas<\/li>\n\n\n\n<li>as moedas digitais n\u00e3o podem ser falsificadas ou duplicadas.<\/li>\n<\/ul>\n\n\n\n<p>Em quarto lugar, a tecnologia blockchain oferece imutabilidade, o que significa que quando uma transa\u00e7\u00e3o \u00e9 registada na blockchain, j\u00e1 n\u00e3o pode ser alterada ou apagada. Consequentemente, as transa\u00e7\u00f5es na blockchain s\u00e3o permanentes, sendo mantida a integridade da moeda digital.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"850\" height=\"360\" src=\"\/wp-content\/uploads\/2023\/05\/blockchain-technology-exchange.png\" alt=\"Interconnected boxes bound by links, with a central digital currency symbol, representing the core of blockchain technology\" class=\"wp-image-17997\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-becoming-a-t4trade-trader\"><strong>Como ser um trader do T4Trade<\/strong><\/h2>\n\n\n\n<p class=\"translation-block\">O T4Trade \u00e9 um corretor global, com uma popularidade cada vez maior, com traders em todo o mundo. O T4Trade oferece, aos traders, o acesso a mais de 300 instrumentos financeiros em 6 classes de ativos. Que incluem forex, a\u00e7\u00f5es, futuros, metais, mat\u00e9rias-primas e \u00edndices. Com o T4Trade, os traders podem comprar ou vender os seus ativos preferidos, atrav\u00e9s de CFDs, e explorar oportunidades de trading, com spreads flex\u00edveis ou fixos. O corretor tamb\u00e9m oferece, aos traders, a execu\u00e7\u00e3o r\u00e1pida de negocia\u00e7\u00f5es, condi\u00e7\u00f5es de trading flex\u00edveis e seguran\u00e7a de fundos. A nossa equipa din\u00e2mica e multilingue de apoio ao cliente assegura um suporte de excel\u00eancia ao longo da sua jornada de trading. Para al\u00e9m disso, a plataforma MT4 do T4Trade disponibiliza, aos traders, ferramentas e funcionalidades de negocia\u00e7\u00e3o importantes e necess\u00e1rias para tomar as melhores decis\u00f5es de trading.<\/p>\n\n\n\n<p class=\"translation-block\">AVISO LEGAL: A informa\u00e7\u00e3o disposta n\u00e3o deve ser interpretada como consultoria financeira ou recomenda\u00e7\u00e3o de investimento, sendo apresentada apenas para fins de comunica\u00e7\u00e3o e marketing.<\/p>","protected":false},"excerpt":{"rendered":"<p>Blockchain technology is a revolutionary innovation that has the potential to transform diverse industries worldwide. This includes healthcare,&#8230;<\/p>","protected":false},"author":12,"featured_media":17994,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-17991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Blockchain technology and digital currencies<\/title>\n<meta name=\"description\" content=\"Blockchain technology has played a pivotal role in the development of cryptocurrencies. 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