Compra Bitcoin(BTC)

Compra Bitcoin facilmente com o nosso guia passo-a-passo.
Preço estimado
1 BTC0,00 USD
Bitcoin
BTC
Bitcoin
$66 904,9
+0.7%
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Como comprar Bitcoin(BTC) com USD?

Introduzir Montante
Selecione o par de negociação BTC/USD e introduza o montante da compra.
Confirmar ordem
Reveja os detalhes da transação, incluindo o preço BTC/USD, taxas e outras notas. Uma vez confirmada, submeta a ordem.
Receba Bitcoin(BTC)
Após o pagamento bem sucedido, o BTC adquirido vai ser automaticamente creditado na sua carteira Gate.com.

Como comprar Bitcoin(BTC) com cartão de crédito ou cartão de débito?

  • 1
    Criar a sua conta Gate.com e verificar a sua identidadePara comprar BTC em segurança, comece por se inscrever numa conta Gate.com e concluir a verificação da identidade KYC para proteger as suas transações.
  • 2
    Escolha BTC e método de pagamentoAceda à seção "Comprar Bitcoin(BTC)", selecione BTC, introduza o montante que pretende comprar e escolha cartão de débito como opção de pagamento. Em seguida, preencha os dados do seu cartão.
  • 3
    Receba BTC instantaneamente na sua carteiraDepois de confirmar a ordem, o BTC que comprar vai ser creditado de forma instantânea e segura na sua carteira Gate.com — pronto para ser negociado, guardado ou transferido.

Porquê comprar Bitcoin(BTC)?

O que é Bitcoin? O nascimento do ouro digital descentralizado
A Bitcoin (BTC) foi introduzida em 2008 por Satoshi Nakamoto e lançada oficialmente em 2009 como a primeira criptomoeda descentralizada do mundo. Permite pagamentos eletrónicos peer-to-peer sem intermediários como bancos ou governos. Todas as transações são registadas numa blockchain pública, garantindo transparência e segurança.
Como é que a Bitcoin funciona? Consenso PoW e tecnologia de blockchain
A Bitcoin funciona com um mecanismo de consenso de Prova de Trabalho (PoW). Quando Alice quer enviar 1 BTC para Bob, os mineradores competem para resolver problemas matemáticos complexos. O primeiro a resolvê-lo ganha novos bitcoins como recompensa do bloco e regista a transação na blockchain. Este sistema assegura a segurança da rede, mas resulta num elevado consumo de energia e numa maior dificuldade de extração.
Oferta de Bitcoin e mecanismo de halving
A oferta de Bitcoin está estritamente limitada a 21 milhões de moedas, o que a torna absolutamente escassa. De quatro em quatro anos, um evento de "halving" reduz a recompensa do bloco para os mineradores, abrandando a criação de novas bitcoins. Isto reforça as propriedades anti-inflacionárias da Bitcoin e é um fator chave para a valorização do seu preço a longo prazo. Até ao final de 2024, foram extraídas mais de 19,7 milhões de bitcoins.
Histórico de preços e impacto no mercado
A Bitcoin começou praticamente sem valor, atingindo $20,000 in 2017 and hitting new highs above $60 000 em 2021. Tem registado uma volatilidade extrema - como o famoso "Bitcoin Pizza Day", que marcou a sua primeira utilização comercial. Apesar de, no passado, ter sido considerada uma bolha ou uma fraude, a crescente adoção institucional e generalizada fez com que o seu valor de mercado ultrapassasse 1 bilião de dólares.
Razões e riscos para investir em Bitcoin
Proteção contra a inflação e armazenamento de valor: a oferta fixa e os eventos de redução para metade fazem da Bitcoin um ouro digital e um potencial ativo de refúgio seguro. Alta liquidez: a BTC é negociada em todas as principais exchanges, permitindo uma fácil alocação de carteira. Descentralização e autonomia: não é controlada por uma única entidade; os utilizadores têm controlo total sobre os seus ativos. Técnica e riscos regulamentares: elevada volatilidade, regulamentos pouco claros, preocupações ambientais decorrentes da exploração mineira e utilidade de pagamento limitada.
Pontos de vista céticos e perspetivas alternativas
Apesar da sua natureza revolucionária, a eficiência da Bitcoin como instrumento de pagamento é baixa e os riscos regulamentares continuam a ser significativos. Alguns especialistas veem a Bitcoin mais como um ativo especulativo do que como uma reserva de valor estável. Os investidores devem avaliar cuidadosamente a sua tolerância ao risco.

Bitcoin(BTC) Preço atual e Tendências de mercado

BTC/USD
Bitcoin
$66 904,9
+0.7%
Mercados
Popularidade
Capitalização de mercado
#1
$1,33T
Volume
Oferta de circulação
$715,04M
20M

Atualmente, a Bitcoin (BTC) tem um preço de $66 904,9 por moeda. A oferta em circulação é de aproximadamente 20 009 196 BTC, resultando numa capitalização de mercado total de $20M, Classificação atual da capitalização de mercado: 1.

Nas últimas 24 horas, o volume de negociação do Bitcoin atingiu $715,04M, representando um +0.7% em comparação com o dia anterior. Na semana passada, o preço do Bitcoin -6.060%, refletindo a procura contínua de BTC como ouro digital e uma proteção contra a inflação.

Além disso, o máximo histórico da Bitcoin foi $126 080. A volatilidade do mercado continua a ser significativa, pelo que os investidores devem acompanhar de perto as tendências macroeconómicas e os desenvolvimentos regulamentares.

Bitcoin(BTC) Comparar com outras criptomoedas

BTC VS
BTC
em massa
Variação percentual de 24h
Alteração de 7d por cento
Volume de negociações 24h
Capitalização de mercado
Classificação de mercado
Oferta circulante

O que se segue depois de comprar Bitcoin(BTC)?

À vista
Negoceie em BTC a qualquer altura utilizando a vasta gama de pares de negociação da Gate.com, aproveite as oportunidades de mercado e aumente os seus ativos.
Simple Earn
Utilize o seu BTC ocioso para subscrever os produtos financeiros flexíveis ou a prazo fixo da plataforma e ganhar facilmente um rendimento extra.
Converter
Troque rapidamente BTC por outras criptomoedas com facilidade.

Vantagens de comprar Bitcoin através de Gate

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100% de Prova de Reservas desde maio de 2020
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Outras criptomoedas disponíveis na Gate

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Irá o Bitcoin atingir os 100 000 $ até ao final do ano? Análise aprofundada do ciclo de “reset” do mercado cripto
O Bitcoin desceu do seu máximo histórico de 126 000 $ para o nível atual de 67 000 $, sinalizando um reajuste necessário do mercado. Este artigo analisa os ciclos de liquidez e a procura institucional, delineando o percurso lógico para que o BTC regresse aos 100 000 $ até ao final de 2026.
Maior Expiração de Opções de BTC do Ano: Como o Ponto de Máxima Dor nos 75 000 $ Pode Desencadear Volatilidade no Mercado
Esta semana assinala o maior vencimento de opções de Bitcoin do ano, com 14 160 milhões $ em open interest. De que forma é que este posicionamento massivo poderá impulsionar o preço em direção ao ponto de máximo desconforto nos 75 000 $ e desencadear uma volatilidade intensa no mercado?
Fase de Medo Extremo do Bitcoin: Baleias acumulam 270 000 BTC — Conseguirá os 66 000 $ manter-se como fundo?
Bitcoin mantém suporte nos 66 000 $ pela terceira vez, enquanto o Índice de Medo e Ganância cai para Medo Extremo em 8; baleias acumulam 270 000 BTC em 30 dias.
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XZXX: A Comprehensive Guide to the BRC-20 Meme Token in 2025
XZXX emerges as the leading BRC-20 meme token of 2025, leveraging Bitcoin Ordinals for unique functionalities that integrate meme culture with tech innovation. The article explores the token's explosive growth, driven by a thriving community and strategic market support from exchanges like Gate, while offering beginners a guided approach to purchasing and securing XZXX. Readers will gain insights into the token's success factors, technical advancements, and investment strategies within the expanding XZXX ecosystem, highlighting its potential to reshape the BRC-20 landscape and digital asset investment.
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As the Bitcoin Fear and Greed Index plummets below 10 in April 2025, cryptocurrency market sentiment reaches unprecedented lows. This extreme fear, coupled with Bitcoin's 80,000−85,000 price range, highlights the complex interplay between crypto investor psychology and market dynamics. Our Web3 market analysis explores the implications for Bitcoin price predictions and blockchain investment strategies in this volatile landscape.
5 ways to get Bitcoin for free in 2025: Newbie Guide
In 2025, getting Bitcoin for free has become a hot topic. From microtasks to gamified mining, to Bitcoin reward credit cards, there are numerous ways to obtain free Bitcoin. This article will reveal how to easily earn Bitcoin in 2025, explore the best Bitcoin faucets, and share Bitcoin mining techniques that require no investment. Whether you are a newbie or an experienced user, you can find a suitable way to get rich with cryptocurrency here.
Mais wiki sobre BTC

As últimas notícias sobre Bitcoin(BTC)

2026-03-30 18:11CryptoFrontNews
Arkham 解释加密货币金库公司崛起
2026-03-30 18:06CryptoPotato
这是最后一次下跌吗?关键的比特币指标指向最终的恐慌性抛售阶段
2026-03-30 17:33GateNews
BTC 15分钟下跌0.56%:巨鲸流入放量引发结构性抛压
2026-03-30 17:31GateNews
BTC 跌破 67000 USDT,24 小时涨幅收窄至 1.03%
2026-03-30 17:30Crypto Breaking
机构为更高风险的比特币托管支付更高的保费
Mais notícias sobre BTC
Google's set deadline of 2029 for quantum computing means the migration window for Bitcoin's cryptography will become even more urgent. It is estimated that currently, $440 billion worth of Bitcoin is stored in addresses vulnerable to quantum attacks. Although the quantum resistance proposal BIP-360 is now live on the Bitcoin testnet, a full transition to post-quantum signature technologies like CRYSTALS-Dilithium will be very complex, not only increasing transaction costs but also requiring broad network consensus. Critics argue that current quantum technology is not yet powerful enough to threaten Bitcoin's ECDSA encryption, but supporters warn that slow network governance could lag behind the rapidly evolving threat landscape.
CoinNetwork
2026-03-30 18:14
Google's set deadline of 2029 for quantum computing means the migration window for Bitcoin's cryptography will become even more urgent. It is estimated that currently, $440 billion worth of Bitcoin is stored in addresses vulnerable to quantum attacks. Although the quantum resistance proposal BIP-360 is now live on the Bitcoin testnet, a full transition to post-quantum signature technologies like CRYSTALS-Dilithium will be very complex, not only increasing transaction costs but also requiring broad network consensus. Critics argue that current quantum technology is not yet powerful enough to threaten Bitcoin's ECDSA encryption, but supporters warn that slow network governance could lag behind the rapidly evolving threat landscape.
BTC
+0.6%
【$SOL Signal】Pullback to buy, main force's bottoming intention is clear
$SOL 1H level pullback to EMA20, price is consolidating around 83.2, with strong buying depth, and dense orders below in the 83.1 to 83.0 range. The 4H MACD bearish momentum continues to shrink, histogram turns positive, and price stabilizes above the middle Bollinger band.
🎯Direction: Long
⚡Entry/Order: 82.45 - 82.64
🛑Stop Loss: 80.90
🚀Target 1: 89.58
🚀Target 2: 93.05
🛡️Trade Management:
- Execution Strategy: Reduce 50% of the position after reaching Target 1, and move the stop loss to break-even. If the price falls back to the entry level, exit automatically to protect capital.
Position size remains stable, and a slight pullback did not trigger panic outflows. The 1-hour RSI stabilizes around 48, not entering oversold territory, indicating limited selling pressure. Market data shows sell orders stacking above 83.3, but buy orders below 83.0 are more active, with depth imbalance reaching 13.76%, fully exposing the capital support intention. Negative funding rates suggest a risk of short squeeze, with a risk/reward ratio of 4:1, making this setup worth a try.
View real-time market 👇 $SOL
---
Follow me: Get more real-time analysis and insights on the crypto market!
#Gate金手指 #国际油价走高 #BTC能否守住6.5万美元? $BTC $ETH $SOL
EleventhQuantification
2026-03-30 18:13
【$SOL Signal】Pullback to buy, main force's bottoming intention is clear $SOL 1H level pullback to EMA20, price is consolidating around 83.2, with strong buying depth, and dense orders below in the 83.1 to 83.0 range. The 4H MACD bearish momentum continues to shrink, histogram turns positive, and price stabilizes above the middle Bollinger band. 🎯Direction: Long ⚡Entry/Order: 82.45 - 82.64 🛑Stop Loss: 80.90 🚀Target 1: 89.58 🚀Target 2: 93.05 🛡️Trade Management: - Execution Strategy: Reduce 50% of the position after reaching Target 1, and move the stop loss to break-even. If the price falls back to the entry level, exit automatically to protect capital. Position size remains stable, and a slight pullback did not trigger panic outflows. The 1-hour RSI stabilizes around 48, not entering oversold territory, indicating limited selling pressure. Market data shows sell orders stacking above 83.3, but buy orders below 83.0 are more active, with depth imbalance reaching 13.76%, fully exposing the capital support intention. Negative funding rates suggest a risk of short squeeze, with a risk/reward ratio of 4:1, making this setup worth a try. View real-time market 👇 $SOL --- Follow me: Get more real-time analysis and insights on the crypto market! #Gate金手指 #国际油价走高 #BTC能否守住6.5万美元? $BTC $ETH $SOL
SOL
+1.98%
BTC
+0.6%
ETH
+2.29%
Been tracking the crypto markets for quite a while now, and something about this downturn feels genuinely different. Bitcoin's been sliding for four straight months which honestly takes me back to 2018. Not a pattern you see often. I finally connected the dots on why this is happening and the explanation is wild.
So here's the thing that nobody's really talking about. Around $300 billion in liquidity just evaporated. Most of it flowed into one specific place - the US Treasury General Account ballooned by $200 billion. I dug into the actual numbers myself and it all checks out. The government's aggressively stacking cash which signals they're bracing for a potential shutdown scenario.
This matters because there's a direct relationship between TGA movements and Bitcoin's behavior. When they drain it, Bitcoin tends to catch a bid. When they're filling it up like now, liquidity gets pulled right out of the market. Bitcoin's incredibly sensitive to these shifts. We saw this play out last year when they drained reserves and Bitcoin got some breathing room. Now they're doing the opposite and the pressure is immediate.
What's adding to this is the banking situation. Just saw that a major regional bank failed recently which is the first US bank failure we've had in a minute. That signals something deeper - there's a serious liquidity squeeze building globally. When traditional finance starts showing cracks, crypto gets hit first. The correlation isn't subtle.
The macro environment is just uncertain right now honestly. Everyone's pulling back from risk and Bitcoin sits squarely in that bucket. Money's flowing out fast. I've seen volatility before but the speed this time is different. It's more aggressive.
Then you've got the government shutdown factor sitting on top of everything. That alone creates enough uncertainty to spook markets. Crypto gets hammered when uncertainty spikes.
There's also this new campaign targeting stablecoin yields that caught my attention. Community banks are pushing back hard, claiming stablecoins could drain trillions. It feels like manufactured fear to me. But it's working. The real issue underneath is that traditional banking wants to keep its yield monopoly. They're not thrilled about competition.
So why is crypto crashing right now? It's a combination. Liquidity's being drained, banks are under stress, macro uncertainty is high, and there's active pushback from traditional finance against crypto products. All these pressures hitting at once. BTC is sitting around $66.84K with modest gains today but the underlying pressure remains. This isn't just a normal correction.
failed_dev_successful_ape
2026-03-30 18:12
Been tracking the crypto markets for quite a while now, and something about this downturn feels genuinely different. Bitcoin's been sliding for four straight months which honestly takes me back to 2018. Not a pattern you see often. I finally connected the dots on why this is happening and the explanation is wild. So here's the thing that nobody's really talking about. Around $300 billion in liquidity just evaporated. Most of it flowed into one specific place - the US Treasury General Account ballooned by $200 billion. I dug into the actual numbers myself and it all checks out. The government's aggressively stacking cash which signals they're bracing for a potential shutdown scenario. This matters because there's a direct relationship between TGA movements and Bitcoin's behavior. When they drain it, Bitcoin tends to catch a bid. When they're filling it up like now, liquidity gets pulled right out of the market. Bitcoin's incredibly sensitive to these shifts. We saw this play out last year when they drained reserves and Bitcoin got some breathing room. Now they're doing the opposite and the pressure is immediate. What's adding to this is the banking situation. Just saw that a major regional bank failed recently which is the first US bank failure we've had in a minute. That signals something deeper - there's a serious liquidity squeeze building globally. When traditional finance starts showing cracks, crypto gets hit first. The correlation isn't subtle. The macro environment is just uncertain right now honestly. Everyone's pulling back from risk and Bitcoin sits squarely in that bucket. Money's flowing out fast. I've seen volatility before but the speed this time is different. It's more aggressive. Then you've got the government shutdown factor sitting on top of everything. That alone creates enough uncertainty to spook markets. Crypto gets hammered when uncertainty spikes. There's also this new campaign targeting stablecoin yields that caught my attention. Community banks are pushing back hard, claiming stablecoins could drain trillions. It feels like manufactured fear to me. But it's working. The real issue underneath is that traditional banking wants to keep its yield monopoly. They're not thrilled about competition. So why is crypto crashing right now? It's a combination. Liquidity's being drained, banks are under stress, macro uncertainty is high, and there's active pushback from traditional finance against crypto products. All these pressures hitting at once. BTC is sitting around $66.84K with modest gains today but the underlying pressure remains. This isn't just a normal correction.
BTC
+0.6%
Mais publicações sobre BTC

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