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Preço estimado
1 BTC ≈ 0,00 USD
Bitcoin
BTC
Bitcoin
$69.814,5
+8,06%
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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
$69.814,5
+8,06%
Mercados
Popularidade
Capitalização de Mercado
#1
$1,4T
Volume
Oferta em circulação
$1,18B
20,07M

A partir de agora, o preço de Bitcoin (BTC) está cotado em $69.814,5 por moeda. A oferta circulante é de aproximadamente 20.071.518 BTC, resultando em uma capitalização de mercado total de $20,07M, Classificação atual de capitalização de mercado: 1.

Nas últimas 24 horas, o volume de negociação em Bitcoin atingiu $1,18B, representando um +8.06% em comparação com o dia anterior. Na semana passada, Bitcoin cotou em +8.6%, 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

Com 3.500 criptomoedas para você escolher
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Últimas notícias sobre Bitcoin(BTC)

20/08/2026 06:01Gate News
比特币现货交易量在 24 小时内达到 87.1 亿美元,ETH 达到 61.9 亿美元
20/08/2026 05:45Gate News
比特币未平仓合约在 24 小时内上涨 9.12%,达到 526.8 亿美元
20/08/2026 05:33Gate News
特朗普表示,美国正考虑在 8 月 19 日进行“大规模”比特币购买
20/08/2026 05:31Gate News
USDT、ETH 和 BTC 位居 Upbit 24 小时交易量排行榜前列。
20/08/2026 05:23Gate News
比特币自6月以来首次触及$70K ,24小时内上涨7%
Mais notícias sobre BTC
$PI  has huge breakout potential, coupled with a bullish market; with a short-term target of $0.1, get ready for many coins to pump. $BTC  is showing a positive sideways pattern and will continue rising if this continues, meaning a bull market is right before our eyes, peaking in the new year of 2027. Now is the right time to accumulate.
GateUser-27b49db2
20/08/2026 06:10
$PI has huge breakout potential, coupled with a bullish market; with a short-term target of $0.1, get ready for many coins to pump. $BTC is showing a positive sideways pattern and will continue rising if this continues, meaning a bull market is right before our eyes, peaking in the new year of 2027. Now is the right time to accumulate.
PI
+3,12%
BTC
+8,15%
After Bitcoin’s overnight surge, will its price continue to rise or pull back from here? Let’s discuss.
Looking at the chart, after a rally, Bitcoin’s previous resistance has turned into strong support. 68,000 has become the key defensive position for the bulls in this round. The bullish trend is continuing, and as long as the pullback holds above support, there is still momentum for further gains. The pullback is a shakeout and accumulation phase during the uptrend, not a trend reversal.
Key levels:
Core support at 68,000, a heavily defended area with concentrated positions; as long as this level holds, the bullish structure remains unchanged.
The first resistance above is 69,500, with stronger resistance at 71,000–72,000. A breakout on rising volume will open up greater upside potential.
Trading approach
Consider gradually building long positions near the 68,000 support on a pullback, with defense placed below support.
The initial short-term target is 69,500, and after holding above it, look higher toward 71,000–72,000. $BTC $ETH #BTC升破70000美元日内涨幅8.3%
SunshineAndGreatAmbitionsAhead
20/08/2026 06:04
After Bitcoin’s overnight surge, will its price continue to rise or pull back from here? Let’s discuss. Looking at the chart, after a rally, Bitcoin’s previous resistance has turned into strong support. 68,000 has become the key defensive position for the bulls in this round. The bullish trend is continuing, and as long as the pullback holds above support, there is still momentum for further gains. The pullback is a shakeout and accumulation phase during the uptrend, not a trend reversal. Key levels: Core support at 68,000, a heavily defended area with concentrated positions; as long as this level holds, the bullish structure remains unchanged. The first resistance above is 69,500, with stronger resistance at 71,000–72,000. A breakout on rising volume will open up greater upside potential. Trading approach Consider gradually building long positions near the 68,000 support on a pullback, with defense placed below support. The initial short-term target is 69,500, and after holding above it, look higher toward 71,000–72,000. $BTC $ETH #BTC升破70000美元日内涨幅8.3%
BTC
+8,15%
ETH
+17,70%
How $4 Billion Triggered $1.44 Billion in Liquidations: The Extreme Transmission from U.S. Treasuries to BTC
On August 19, Bitcoin surged from $64,000 to $69,500.
In 24 hours, $1.44 billion in short positions were liquidated.
The short-to-long liquidation ratio was 8.6:1.
Ethereum surged 19% simultaneously.
Gold jumped 4.3% in a single day, breaking above $4,500.
And the starting point of all this was an seemingly unrelated announcement—
The U.S. Treasury announced that it would increase the size of long-term Treasury buybacks from $2 billion per operation to at least $4 billion.
$4 billion, in the $32 trillion tradable U.S. Treasury market, is not even a ripple.
But how did the market react?
The 30-year U.S. Treasury yield plunged from 5.34% to 5.18%.
Bitcoin rose 8%+.
$1.44 billion in short positions were liquidated.
A $4 billion signal triggered $1.44 billion in liquidations.
This is not magic. This is the mathematics of leveraged markets.
First step: The Treasury fired a signal flare for “mini-QE”
The Treasury did not say it would print money. It merely said: “I want to buy some long-term bonds and help absorb the market’s supply.”
But the market understood the subtext: “Long-term yields are too high. I don’t like it. I’m going to push them down.”
The 30-year yield had previously surged to 5.337%, its highest level since 2007. The 10-year yield was also at a multiyear high.
The Treasury intervened not to rescue the market, but to rescue itself.
But the market did not care about that distinction. The “Treasury put” script was already familiar to the market.
Second step: Long-term Treasury yields plunge → the “valuation anchor” for global assets loosens
Long-term yields are the pricing anchor for all global risk assets.
When the anchor drops, all the boats rise together.
U.S. stocks rose politely. Gold violently rebounded 4.3%.
What about Bitcoin?
It took off directly.
Third step: BTC shorts were precisely targeted
This was the most exciting part.
Shorts had piled up huge positions around $65,000. A short position of 1,800 BTC, worth $125 million, opened at $63,991 was directly liquidated, resulting in a loss of $2.92 million.
Short liquidations = shorts must buy to close their positions = buy orders flood in = prices continue to rise = more shorts are liquidated.
Reflexivity.
That is why it took only one night to go from $64,000 to $69,500.
It was not that longs were too strong, but that shorts were too crowded.
$4 billion triggered $1.44 billion in liquidations. This is how unreasonable leveraged markets can be.
But Treasury buybacks are not QE. They do not print money or expand the balance sheet; they are merely a contest over existing liquidity.
The 30-year yield fell from 5.34% to 5.18%, a decline of just 16 basis points.
If inflation data exceeds expectations tomorrow or debt issuance surges, those 16 basis points could return in a single day.
At that point, all the assets that rose today on the “Treasury put” will give back twice as much.
The new rules officially take effect on September 9.
Before November 4, the Treasury will have at least eight buyback windows.
At $4 billion each, that amounts to at most $32 billion.
Against the $40 trillion U.S. Treasury market, it is not even a rounding error.
But the market does not care about absolute values. The market cares about the signal.
As long as the signal remains—“the Treasury is willing to intervene in long-term yields”—the risk-reward profile of shorting risk assets changes.
But what if the signal disappears?#BTC升破70000美元日内涨幅8.3% #币圈人回归原生家庭 #美财政部回购与豁免信号驱动加密大涨 $BTC $ETH $XAU $SNDK $MU
Mining_sLittleSheep
20/08/2026 06:02
How $4 Billion Triggered $1.44 Billion in Liquidations: The Extreme Transmission from U.S. Treasuries to BTC On August 19, Bitcoin surged from $64,000 to $69,500. In 24 hours, $1.44 billion in short positions were liquidated. The short-to-long liquidation ratio was 8.6:1. Ethereum surged 19% simultaneously. Gold jumped 4.3% in a single day, breaking above $4,500. And the starting point of all this was an seemingly unrelated announcement— The U.S. Treasury announced that it would increase the size of long-term Treasury buybacks from $2 billion per operation to at least $4 billion. $4 billion, in the $32 trillion tradable U.S. Treasury market, is not even a ripple. But how did the market react? The 30-year U.S. Treasury yield plunged from 5.34% to 5.18%. Bitcoin rose 8%+. $1.44 billion in short positions were liquidated. A $4 billion signal triggered $1.44 billion in liquidations. This is not magic. This is the mathematics of leveraged markets. First step: The Treasury fired a signal flare for “mini-QE” The Treasury did not say it would print money. It merely said: “I want to buy some long-term bonds and help absorb the market’s supply.” But the market understood the subtext: “Long-term yields are too high. I don’t like it. I’m going to push them down.” The 30-year yield had previously surged to 5.337%, its highest level since 2007. The 10-year yield was also at a multiyear high. The Treasury intervened not to rescue the market, but to rescue itself. But the market did not care about that distinction. The “Treasury put” script was already familiar to the market. Second step: Long-term Treasury yields plunge → the “valuation anchor” for global assets loosens Long-term yields are the pricing anchor for all global risk assets. When the anchor drops, all the boats rise together. U.S. stocks rose politely. Gold violently rebounded 4.3%. What about Bitcoin? It took off directly. Third step: BTC shorts were precisely targeted This was the most exciting part. Shorts had piled up huge positions around $65,000. A short position of 1,800 BTC, worth $125 million, opened at $63,991 was directly liquidated, resulting in a loss of $2.92 million. Short liquidations = shorts must buy to close their positions = buy orders flood in = prices continue to rise = more shorts are liquidated. Reflexivity. That is why it took only one night to go from $64,000 to $69,500. It was not that longs were too strong, but that shorts were too crowded. $4 billion triggered $1.44 billion in liquidations. This is how unreasonable leveraged markets can be. But Treasury buybacks are not QE. They do not print money or expand the balance sheet; they are merely a contest over existing liquidity. The 30-year yield fell from 5.34% to 5.18%, a decline of just 16 basis points. If inflation data exceeds expectations tomorrow or debt issuance surges, those 16 basis points could return in a single day. At that point, all the assets that rose today on the “Treasury put” will give back twice as much. The new rules officially take effect on September 9. Before November 4, the Treasury will have at least eight buyback windows. At $4 billion each, that amounts to at most $32 billion. Against the $40 trillion U.S. Treasury market, it is not even a rounding error. But the market does not care about absolute values. The market cares about the signal. As long as the signal remains—“the Treasury is willing to intervene in long-term yields”—the risk-reward profile of shorting risk assets changes. But what if the signal disappears?#BTC升破70000美元日内涨幅8.3% #币圈人回归原生家庭 #美财政部回购与豁免信号驱动加密大涨 $BTC $ETH $XAU $SNDK $MU
Mais postagens sobre BTC

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