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Preço estimado
1 BTC ≈ 0,00 USD
Bitcoin
BTC
Bitcoin
$77.699,9
-2,75%
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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
$77.699,9
-2,75%
Mercados
Popularidade
Capitalização de Mercado
#1
$1,55T
Volume
Oferta em circulação
$588,69M
20,07M

A partir de agora, o preço de Bitcoin (BTC) está cotado em $77.699,9 por moeda. A oferta circulante é de aproximadamente 20.076.553 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 $588,69M, representando um -2.75% em comparação com o dia anterior. Na semana passada, Bitcoin cotou em -1.01%, 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
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Convert
Troque rapidamente BTC por outras criptomoedas com facilidade.

Benefícios de comprar Bitcoin pela Gate

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The Imitation Market’s Trend Indicator: SOL Reclaims $110. Can Solana’s Strong Performance Last?
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Últimas notícias sobre Bitcoin(BTC)

29/08/2026 02:42Gate News
爱尔兰 CAB 于8月28日从一个已有10年历史的钱包中转移了价值为$38M 的500 BTC
29/08/2026 02:32Gate News
比特币未能突破81,500美元,鲸鱼构建了8.08万美元的卖单墙$83K ,$107M 遭清算。
29/08/2026 02:22Gate News
比特币首位接收者哈尔·芬尼逝世12周年:其曾持有的10枚BTC如今价值80.5万美元
29/08/2026 02:03Gate News
截至 8 月 29 日,Hyperliquid 巨鲸持有 694.5 亿美元的仓位,多空比例为 0.9
29/08/2026 02:00Gate News
Hyperliquid上最大的多头在隔夜期间开立了价值为$170M 的1,000 BTC和38,000 ETH多头仓位。
Mais notícias sobre BTC
With this trend, I don’t even need to think—the account is dancing on its own😂
Now $SOL  has reached 103.91, with +826.29% credited. It feels really great🚀. I caught the rhythm, and staying up late wasn’t for nothing. After dragging on for so long, you only know who’s swimming naked once the move plays out.
A few days ago, I took one look before bed. The pullback held and the bottom moved sideways—clearly someone was supporting it—so I opened a long around 94.68. The risk-reward at that level was excellent; even if I was wrong, I wouldn’t lose much. All that remained was to hold.
I also tidied up my position: took profit on 80% first, and moved the stop-loss on the remaining 20% to the entry price for protection. If it keeps surging, let the profits run; if it pulls back, the principal remains safe. Comfortable✅
Managing risk in advance is called rationality; cutting losses afterward is called a desperate last stand. The prerequisite for compounding is staying alive, and the shortcut to getting rich overnight is often going to zero. This isn’t the time to chase; there will be more opportunities later. We’ll reassess when a new structure emerges. Stay clear-headed to keep profiting for the long term.
$DOGE $BTC
AnalystHuntingBing
29/08/2026 03:25
With this trend, I don’t even need to think—the account is dancing on its own😂 Now $SOL has reached 103.91, with +826.29% credited. It feels really great🚀. I caught the rhythm, and staying up late wasn’t for nothing. After dragging on for so long, you only know who’s swimming naked once the move plays out. A few days ago, I took one look before bed. The pullback held and the bottom moved sideways—clearly someone was supporting it—so I opened a long around 94.68. The risk-reward at that level was excellent; even if I was wrong, I wouldn’t lose much. All that remained was to hold. I also tidied up my position: took profit on 80% first, and moved the stop-loss on the remaining 20% to the entry price for protection. If it keeps surging, let the profits run; if it pulls back, the principal remains safe. Comfortable✅ Managing risk in advance is called rationality; cutting losses afterward is called a desperate last stand. The prerequisite for compounding is staying alive, and the shortcut to getting rich overnight is often going to zero. This isn’t the time to chase; there will be more opportunities later. We’ll reassess when a new structure emerges. Stay clear-headed to keep profiting for the long term. $DOGE $BTC
#StrategySharesBreak135ForFirstTimeIn12Weeks #HYPEContinuesToHitAll-TimeHighs #Gate7DayNetInflowsTop3 $BTC $GT $AMZU
Moreomjannat
29/08/2026 03:21
#StrategySharesBreak135ForFirstTimeIn12Weeks #HYPEContinuesToHitAll-TimeHighs #Gate7DayNetInflowsTop3 $BTC $GT $AMZU
BTC
-2,68%
GT
-3,94%
Direxion Daily AMZN Bull 2X Shares
+7,90%
#BTC 
BTC: The Rally Has Hit Its First Real Test
Bitcoin is trading around $77.8K after a sharp rejection from the $81K–$81.3K area. The important part is not simply that BTC pulled back; it is how quickly the market gave back the breakout. BTC closed near $80.25K on August 27, then dropped to roughly $76.95K during August 28 before stabilizing around the upper-$77K area. That leaves the short-term structure constructive above the recent breakout base, but momentum has clearly cooled.
The bigger picture still shows a strong recovery. Bitcoin climbed from roughly $64K in mid-August to above $81K within days, with several sessions carrying very large trading volume. August 21 alone recorded more than $74B in reported daily volume in StatMuse's dataset. This tells us the move was backed by real market participation, but it also explains why the current pullback matters: after such a fast advance, buyers need to prove they can defend higher prices rather than simply chase another spike.
The first support zone is $76.5K–$77K. This area matters because the recent sell-off reached approximately $76.95K, while the August 23 low was around $75.62K. Holding this region would keep the recent higher-low structure alive. A deeper test of $75K–$76K would not automatically destroy the recovery, but it would show that sellers are gaining more control.
The key resistance remains $80K–$81.3K. Bitcoin has already shown that this region contains meaningful supply: the market reached about $81.33K on August 28 before reversing aggressively. Therefore, another move into this area needs confirmation through strong buying and a daily close above the previous high. Simply touching $81K again would not be enough to call it a breakout.
Above $81.3K, the structure becomes much more interesting. A clean reclaim would signal that the recent rejection was a temporary profit-taking event rather than the beginning of a larger reversal. The next psychological objective would be $85K, followed by the $88K–$90K region. These are scenario levels, not guaranteed targets, and the quality of the breakout matters more than the number itself.
The bearish line is equally clear. If BTC loses $75.5K–$76K with strong selling volume, the recent recovery structure would weaken considerably. That would put $73K–$74K back on the chart, followed by the $69K–$70K area where the previous acceleration began. A break below $69K would erase much of the August recovery and shift the market from normal consolidation toward a deeper correction.
Derivatives are also important because the latest move has occurred alongside elevated trading activity. However, I would not label the current move as purely leverage-driven without a reliable current open-interest, funding-rate and liquidation dataset from the same timestamp. Price alone cannot tell us whether the next move will be caused by spot demand or forced derivatives positioning. For now, the safer conclusion is that volatility is elevated and both sides can be punished quickly around the $76K and $81K zones.
There is a major macro complication today. Federal Reserve Chair Kevin Warsh's Jackson Hole comments pushed markets toward a more hawkish interpretation, with Reuters reporting that expectations for a September rate hike increased sharply. U.S. Treasury yields and the dollar also jumped, while Bitcoin fell more than 3% alongside broader risk assets. This is important because a stronger dollar and higher yields can temporarily reduce demand for higher-risk assets, including crypto.
At the same time, the institutional demand story has not disappeared. CoinDesk reported that U.S. spot Bitcoin funds had attracted about $2.8B during the recent eight-session inflow streak. That creates an important tension in the market: ETF demand is supporting BTC while tighter financial conditions are working in the opposite direction. The next trend will depend on which force becomes stronger.
Bullish scenario: BTC holds $76K–$77K, forms a higher low, then reclaims $80K. The real confirmation comes from a sustained break above $81.3K. If that happens with expanding spot participation, $85K becomes the first upside zone, followed by $88K–$90K. The setup is invalidated if BTC breaks below $75.5K and cannot quickly recover the level.
Bearish scenario: BTC fails to reclaim $80K and breaks decisively below $75.5K–$76K. That would open the door toward $73K–$74K, with $69K–$70K becoming the more important downside test. The bearish setup would weaken if buyers reclaim $80K and especially if BTC closes back above $81.3K.
My verdict: Bitcoin is in a pullback inside a still-recovering structure, but the market has moved from easy upside momentum into a much more important decision zone. $76K is the level I would watch for structural support, while $81.3K is the level that can restore bullish momentum. Until one side breaks decisively, BTC is better described as consolidating after a failed first attempt at $81K, rather than beginning either a confirmed reversal or another immediate breakout.
The next move is therefore less about predicting a number and more about watching the reaction at these two boundaries: $76K below and $81.3K above. Whoever controls that range is likely to control Bitcoin's next directional move.
#BTCBackAbove81000 
#GateStockInsightsChallenge 
$BTC  ‌
MrFlower_XingChen
29/08/2026 01:56
#BTC BTC: The Rally Has Hit Its First Real Test Bitcoin is trading around $77.8K after a sharp rejection from the $81K–$81.3K area. The important part is not simply that BTC pulled back; it is how quickly the market gave back the breakout. BTC closed near $80.25K on August 27, then dropped to roughly $76.95K during August 28 before stabilizing around the upper-$77K area. That leaves the short-term structure constructive above the recent breakout base, but momentum has clearly cooled. The bigger picture still shows a strong recovery. Bitcoin climbed from roughly $64K in mid-August to above $81K within days, with several sessions carrying very large trading volume. August 21 alone recorded more than $74B in reported daily volume in StatMuse's dataset. This tells us the move was backed by real market participation, but it also explains why the current pullback matters: after such a fast advance, buyers need to prove they can defend higher prices rather than simply chase another spike. The first support zone is $76.5K–$77K. This area matters because the recent sell-off reached approximately $76.95K, while the August 23 low was around $75.62K. Holding this region would keep the recent higher-low structure alive. A deeper test of $75K–$76K would not automatically destroy the recovery, but it would show that sellers are gaining more control. The key resistance remains $80K–$81.3K. Bitcoin has already shown that this region contains meaningful supply: the market reached about $81.33K on August 28 before reversing aggressively. Therefore, another move into this area needs confirmation through strong buying and a daily close above the previous high. Simply touching $81K again would not be enough to call it a breakout. Above $81.3K, the structure becomes much more interesting. A clean reclaim would signal that the recent rejection was a temporary profit-taking event rather than the beginning of a larger reversal. The next psychological objective would be $85K, followed by the $88K–$90K region. These are scenario levels, not guaranteed targets, and the quality of the breakout matters more than the number itself. The bearish line is equally clear. If BTC loses $75.5K–$76K with strong selling volume, the recent recovery structure would weaken considerably. That would put $73K–$74K back on the chart, followed by the $69K–$70K area where the previous acceleration began. A break below $69K would erase much of the August recovery and shift the market from normal consolidation toward a deeper correction. Derivatives are also important because the latest move has occurred alongside elevated trading activity. However, I would not label the current move as purely leverage-driven without a reliable current open-interest, funding-rate and liquidation dataset from the same timestamp. Price alone cannot tell us whether the next move will be caused by spot demand or forced derivatives positioning. For now, the safer conclusion is that volatility is elevated and both sides can be punished quickly around the $76K and $81K zones. There is a major macro complication today. Federal Reserve Chair Kevin Warsh's Jackson Hole comments pushed markets toward a more hawkish interpretation, with Reuters reporting that expectations for a September rate hike increased sharply. U.S. Treasury yields and the dollar also jumped, while Bitcoin fell more than 3% alongside broader risk assets. This is important because a stronger dollar and higher yields can temporarily reduce demand for higher-risk assets, including crypto. At the same time, the institutional demand story has not disappeared. CoinDesk reported that U.S. spot Bitcoin funds had attracted about $2.8B during the recent eight-session inflow streak. That creates an important tension in the market: ETF demand is supporting BTC while tighter financial conditions are working in the opposite direction. The next trend will depend on which force becomes stronger. Bullish scenario: BTC holds $76K–$77K, forms a higher low, then reclaims $80K. The real confirmation comes from a sustained break above $81.3K. If that happens with expanding spot participation, $85K becomes the first upside zone, followed by $88K–$90K. The setup is invalidated if BTC breaks below $75.5K and cannot quickly recover the level. Bearish scenario: BTC fails to reclaim $80K and breaks decisively below $75.5K–$76K. That would open the door toward $73K–$74K, with $69K–$70K becoming the more important downside test. The bearish setup would weaken if buyers reclaim $80K and especially if BTC closes back above $81.3K. My verdict: Bitcoin is in a pullback inside a still-recovering structure, but the market has moved from easy upside momentum into a much more important decision zone. $76K is the level I would watch for structural support, while $81.3K is the level that can restore bullish momentum. Until one side breaks decisively, BTC is better described as consolidating after a failed first attempt at $81K, rather than beginning either a confirmed reversal or another immediate breakout. The next move is therefore less about predicting a number and more about watching the reaction at these two boundaries: $76K below and $81.3K above. Whoever controls that range is likely to control Bitcoin's next directional move. #BTCBackAbove81000 #GateStockInsightsChallenge $BTC ‌
BTC
-2,68%
Mais postagens sobre BTC

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