Comprar Bitcoin(BTC)

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Preço estimado
1 BTC0,00 USD
Bitcoin
BTC
Bitcoin
$75.938,9
+0.54%
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Como comprar Bitcoin(BTC) com USD?

Insira o Valor
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Confirmar ordem
Analise os detalhes da transação, incluindo o preço BTC/USD, as taxas e outras observações. Depois de confirmado, envie o a ordem.
Receba Bitcoin(BTC)
Após o pagamento bem-sucedido, o BTC adquirido será automaticamente creditado em sua carteira Gate.com.

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

  • 1
    Crie sua conta Gate.com e verifique a identidadePara comprar BTC com segurança, comece se inscrevendo em uma conta Gate.com e concluindo a verificação de identidade KYC para proteger suas transações.
  • 2
    Escolha BTC e o método de pagamentoVá para a seção “Comprar Bitcoin(BTC)”, selecione a BTC, insira o valor que deseja comprar e escolha cartão de débito como opção de pagamento. Em seguida, preencha os detalhes do seu cartão.
  • 3
    Receba BTC instantaneamente em sua carteiraDepois de confirmar a ordem, as BTC que você comprar serão creditadas instantaneamente e com segurança em sua carteira Gate.com — prontas para negociação, holding ou transferência.

Por que comprar Bitcoin(BTC)?

O que é Bitcoin? O nascimento do ouro digital descentralizado
O Bitcoin (BTC) foi introduzido em 2008 por Satoshi Nakamoto e lançado oficialmente em 2009 como a primeira criptomoeda descentralizada do mundo. Ele permite pagamentos eletrônicos ponto a ponto sem intermediários, como bancos ou governos. Todas as transações são registradas em um blockchain público, garantindo transparência e segurança.
Como funciona o Bitcoin? Consenso PoW e tecnologia Blockchain
O Bitcoin opera em um mecanismo de consenso de Proof of Work (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 em bloco e registra a transação na blockchain. Esse sistema protege a rede, mas resulta em alto consumo de energia e aumento da dificuldade de mineração.
Oferta de Bitcoin e mecanismo de redução pela metade
A oferta de Bitcoin é estritamente limitada a 21 milhões de moedas, o que o torna absolutamente escasso. A cada quatro anos, um evento de “halving” reduz a recompensa do bloco para os mineradores, retardando a criação de novos bitcoins. Isso reforça as propriedades anti-inflacionárias do Bitcoin e é um dos principais impulsionadores de sua valorização de preço a longo prazo. No final de 2024, mais de 19,7 milhões de bitcoins foram minerados.
Histórico de preços e impacto no mercado
O Bitcoin começou praticamente sem valor, alcançando $20,000 in 2017 and hitting new highs above $60,000 em 2021. Ele passou por uma volatilidade extrema, como o famoso “Bitcoin Pizza Day”, marcando seu primeiro uso comercial. Apesar de ter sido chamada de bolha ou fraude no passado, a crescente adoção convencional e institucional elevou sua capitalização de mercado para além de US$ 1 trilhão.
Razões e riscos para investir em Bitcoin
Hedge de inflação e armazenamento de valor: Oferta fixa e eventos de redução pela metade tornam o Bitcoin um ouro digital e um potencial ativo seguro. Alta liquidez: O BTC é negociado em todas as principais exchanges, permitindo uma fácil alocação de portfólio. Descentralização e Autonomia: Não é controlada por nenhuma entidade; os usuários têm controle total sobre seus ativos. Riscos regulatórios e técnicos: alta volatilidade, regulamentações pouco claras, preocupações ambientais decorrentes da mineração e serviços de pagamento limitados.
Visões céticas e perspectivas alternativas
Apesar de sua natureza revolucionária, a eficiência do Bitcoin como ferramenta de pagamento é baixa e os riscos regulatórios permanecem significativos. Alguns especialistas veem o Bitcoin mais como um ativo especulativo do que como uma reserva estável de valor. Os investidores devem avaliar cuidadosamente sua tolerância ao risco.

Bitcoin(BTC) Preço atual e tendências de mercado

BTC/USD
Bitcoin
$75.938,9
+0.54%
Mercados
Popularidade
Capitalização de Mercado
#1
$1,52T
Volume
Oferta em circulação
$459,22M
20,01M

A partir de agora, o preço de Bitcoin (BTC) está cotado em $75.938,9 por moeda. A oferta circulante é de aproximadamente 20.018.959 BTC, resultando em uma capitalização de mercado total de $20,01M, Classificação atual de capitalização de mercado: 1.

Nas últimas 24 horas, o volume de negociação em Bitcoin atingiu $459,22M, representando um +0.54% em comparação com o dia anterior. Na semana passada, Bitcoin cotou em +0.77%, refletindo a demanda contínua por BTC como ouro digital e uma proteção contra a inflação.

Além disso, o recorde histórico de Bitcoin foi $126.080. A volatilidade do mercado continua significativa, portanto, os investidores devem monitorar de perto as tendências macroeconômicas e os desenvolvimentos regulatórios.

Bitcoin(BTC) Compare com outras criptomoedas

BTC VS
BTC
Preço
Mudança percentual em 24h
Mudança percentual em 7d
Volume de negociação em 24 horas
Capitalização de Mercado
Classificação de mercado
Oferta circulante

O que fazer depois de comprar Bitcoin(BTC)?

Spot
Negocie BTC a qualquer momento usando a ampla variedade de pares de negociação da Gate.com, aproveite as oportunidades de mercado e aumente seus ativos.
Simple Earn
Use seus BTC parados para assinar os produtos financeiros flexíveis ou de prazo fixo da plataforma e ganhar facilmente uma renda extra.
Convert
Troque rapidamente BTC por outras criptomoedas com facilidade.

Benefícios de comprar Bitcoin pela Gate

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Outras criptomoedas disponíveis na Gate

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Últimas notícias sobre Bitcoin(BTC)

2026-04-21 16:19Cryptonews
USDT 供应在 Tether 加强对稳定币的控制之际创下新的 $188b 历史新高
2026-04-21 16:17GateNews
灰度研究负责人:比特币站上 $76K 可能预示第一阶段牛市行情开启
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特朗普对加密货币的支持达成创纪录12亿美元,引发国家安全担忧
2026-04-21 16:02GateNews
冒充伊朗官员的诈骗者在霍尔木兹海峡向船舶索要比特币和USDT
2026-04-21 15:54GateNews
4月21日比特币、以太坊和Solana ETF录得正向净流入
Mais notícias sobre BTC
#BTC  Currently, the statements at the hearing are somewhat contradictory. Why is it "contradictory"? Wosh's policy stance can be described as "an eagle disguised as a dove." His core views seem self-contradictory but actually have an internal logic.
1. Attitude towards tapering: He emphasizes that "the balance sheet must be significantly reduced," which is a long-term bearish signal. If this issue is handled vaguely, the pressure is temporarily eased.
2. Attribution of inflation: He blames inflation on past "fiscal deficits and money printing" (a tough stance), rather than external factors, implying that future policies won't be easily loosened.
3. Statement on independence: The more he emphasizes the Fed's "independence," the more it means that even if the White House pressures, it won't easily loosen policy to rescue the market.
The hearing continues with a vague style, and the market's short-term reaction has been relatively muted. Geopolitical risks are piling up: tonight, besides the hearing, the US-Iran ceasefire agreement is about to expire. If the conflict escalates and oil prices surge, it could trigger a global stock sell-off. Bitcoin won't be immune either and may further decline.
Based on current news, Vance didn't even attend the negotiations, which indicates a lack of sincerity. There may already be some behind-the-scenes moves. Keep an eye on the Middle East situation. If things escalate, there could be a sharp drop.
YangDongxu'sCommentary
2026-04-21 16:27
#BTC Currently, the statements at the hearing are somewhat contradictory. Why is it "contradictory"? Wosh's policy stance can be described as "an eagle disguised as a dove." His core views seem self-contradictory but actually have an internal logic. 1. Attitude towards tapering: He emphasizes that "the balance sheet must be significantly reduced," which is a long-term bearish signal. If this issue is handled vaguely, the pressure is temporarily eased. 2. Attribution of inflation: He blames inflation on past "fiscal deficits and money printing" (a tough stance), rather than external factors, implying that future policies won't be easily loosened. 3. Statement on independence: The more he emphasizes the Fed's "independence," the more it means that even if the White House pressures, it won't easily loosen policy to rescue the market. The hearing continues with a vague style, and the market's short-term reaction has been relatively muted. Geopolitical risks are piling up: tonight, besides the hearing, the US-Iran ceasefire agreement is about to expire. If the conflict escalates and oil prices surge, it could trigger a global stock sell-off. Bitcoin won't be immune either and may further decline. Based on current news, Vance didn't even attend the negotiations, which indicates a lack of sincerity. There may already be some behind-the-scenes moves. Keep an eye on the Middle East situation. If things escalate, there could be a sharp drop.
ETH
+0.41%
BTC
+0.75%
On April 20, the Bitcoin options market will see a concentrated expiration of approximately $7.9 billion this Friday, with around $395 million in call options concentrated near the $75,000 strike price. The current funding rate has turned negative, reflecting an overall bearish positioning in the ma
AirdropBlackHole
2026-04-21 16:28
Bitcoin Options Worth $7.9 Billion Expire This Friday, $75,000 Becomes Key Battleground
On April 20, the Bitcoin options market will see a concentrated expiration of approximately $7.9 billion this Friday, with around $395 million in call options concentrated near the $75,000 strike price. The current funding rate has turned negative, reflecting an overall bearish positioning in the ma
BTC
+0.75%
Throughout the day, Bitcoin and Ethereum's trends mainly revolve around high-level oscillations and pullbacks, with the rhythm of rallying high and then retreating. Although the fluctuations are not extremely intense, the structure is very suitable for shorting around the rebound highs. Bitcoin stabilized above 75,000 in the morning and gradually moved higher, reaching near 77,000 in the afternoon to evening, then faced resistance and pulled back. Multiple attempts to break through the 76,400–76,600 zone in the evening failed, and it has now retreated back near 75,800. Ethereum's movement synchronized with Bitcoin, gradually rising from around 2,280, peaking near 2,346 before encountering clear resistance. In the evening, it followed Bitcoin in a series of retests, falling back to around 2,300 for consolidation. From the overall daily trend, the market remains in a cycle of "rebound—resistance—retreat," which aligns closely with our core strategic layout today. The overall approach has been to operate around high levels, especially capturing the retracement opportunities at key rebound points near the upper range. Both Bitcoin and Ethereum provided relatively ideal profit-taking opportunities, resulting in substantial gains. As always, the market never disappoints those who are prepared. The real difference is not made by one or two judgments but by maintaining clear thinking and execution during volatility.
Looking at the current market structure, on the daily chart, Bitcoin is still in the rebound correction zone after the previous decline. Although it has temporarily regained above 75,000, the 76,800–77,200 zone remains a strong resistance area. There has been no true trend reversal on the daily chart. Focusing on the 4-hour structure, after consecutive surges, the momentum at the highs has clearly slowed. The candlesticks show multiple upper shadows and repeated tests at high levels, indicating diminishing upward energy. The 77,000 level has formed a temporary intraday high resistance, suggesting this is more the end of a 4-hour rebound rather than the start of a new upward wave. Ethereum's 4-hour structure is also relatively weak, with a clear resistance zone around 2,335–2,350. Multiple attempts to break through have failed to stabilize, indicating insufficient buying enthusiasm. The short-term 1-hour chart shows some partial recovery but mainly reflects a weak rebound after consolidation, unable to change the high-level resistance pattern of the larger cycle. Therefore, the subsequent trading strategy remains bearish. #美伊二轮谈判进展 $BTC
Crypto_yuanJie
2026-04-21 16:26
Throughout the day, Bitcoin and Ethereum's trends mainly revolve around high-level oscillations and pullbacks, with the rhythm of rallying high and then retreating. Although the fluctuations are not extremely intense, the structure is very suitable for shorting around the rebound highs. Bitcoin stabilized above 75,000 in the morning and gradually moved higher, reaching near 77,000 in the afternoon to evening, then faced resistance and pulled back. Multiple attempts to break through the 76,400–76,600 zone in the evening failed, and it has now retreated back near 75,800. Ethereum's movement synchronized with Bitcoin, gradually rising from around 2,280, peaking near 2,346 before encountering clear resistance. In the evening, it followed Bitcoin in a series of retests, falling back to around 2,300 for consolidation. From the overall daily trend, the market remains in a cycle of "rebound—resistance—retreat," which aligns closely with our core strategic layout today. The overall approach has been to operate around high levels, especially capturing the retracement opportunities at key rebound points near the upper range. Both Bitcoin and Ethereum provided relatively ideal profit-taking opportunities, resulting in substantial gains. As always, the market never disappoints those who are prepared. The real difference is not made by one or two judgments but by maintaining clear thinking and execution during volatility. Looking at the current market structure, on the daily chart, Bitcoin is still in the rebound correction zone after the previous decline. Although it has temporarily regained above 75,000, the 76,800–77,200 zone remains a strong resistance area. There has been no true trend reversal on the daily chart. Focusing on the 4-hour structure, after consecutive surges, the momentum at the highs has clearly slowed. The candlesticks show multiple upper shadows and repeated tests at high levels, indicating diminishing upward energy. The 77,000 level has formed a temporary intraday high resistance, suggesting this is more the end of a 4-hour rebound rather than the start of a new upward wave. Ethereum's 4-hour structure is also relatively weak, with a clear resistance zone around 2,335–2,350. Multiple attempts to break through have failed to stabilize, indicating insufficient buying enthusiasm. The short-term 1-hour chart shows some partial recovery but mainly reflects a weak rebound after consolidation, unable to change the high-level resistance pattern of the larger cycle. Therefore, the subsequent trading strategy remains bearish. #美伊二轮谈判进展 $BTC
BTC
+0.75%
ETH
+0.41%
Mais postagens sobre BTC

Perguntas frequentes sobre a compra de Bitcoin(BTC)

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