Comprar Bitcoin(BTC)

Comprar Bitcoin facilmente com nosso guia passo a passo.
Preço estimado
1 BTC ≈ 0,00 USD
Bitcoin
BTC
Bitcoin
$83.842,1
-2,41%
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Como comprar Bitcoin(BTC) com USD?

Insira o Valor
Selecione o par de negociação BTC/USD e insira o valor da compra.
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
$83.842,1
-2,41%
Mercados
Popularidade
Capitalização de Mercado
#1
$1,68T
Volume
Oferta em circulação
$740,6M
20,08M

A partir de agora, o preço de Bitcoin (BTC) está cotado em $83.842,1 por moeda. A oferta circulante é de aproximadamente 20.088.671 BTC, resultando em uma capitalização de mercado total de $20,08M, Classificação atual de capitalização de mercado: 1.

Nas últimas 24 horas, o volume de negociação em Bitcoin atingiu $740,6M, representando um -2.41% em comparação com o dia anterior. Na semana passada, Bitcoin cotou em +9.24%, 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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Últimas notícias sobre Bitcoin(BTC)

24/09/2026 10:50Gate News
Binance 于 9 月 24 日在余币宝、保证金交易及另外四项服务中上线 HYPE
24/09/2026 08:49Gate News
BTC 15分钟急跌0.73%:美联储鹰派信号叠加美元走强引发短线抛售
24/09/2026 07:13Gate News
美国比特币现货 ETF 于 9 月 23 日创下单日资金流入纪录,达 3247.01 亿美元
24/09/2026 05:23Gate News
Circle 获得联邦特许银行牌照,成立比特币信托银行,并在以太坊上推出 cirBTC
24/09/2026 04:00Gate News
比特币现货 ETF 昨日净流入 $347M ,连续第五日录得资金净流入
Mais notícias sobre BTC
A rebound is not good. Bitcoin should be placed at 85200 and take profit on everything first. Set it up early to see if it can rebound up tomorrow daytime and early morning, and then we can continue the pullback.
GateUser-12be5044
24/09/2026 12:12
A rebound is not good. Bitcoin should be placed at 85200 and take profit on everything first. Set it up early to see if it can rebound up tomorrow daytime and early morning, and then we can continue the pullback.
BTC
-2,61%
#CryptoStocksSlipBMNRDownOver4%  
The crypto-equity market is showing how quickly Bitcoin momentum can travel beyond the spot market.
As Bitcoin pulled back from the $87K area on September 24, crypto-linked equities also came under pressure. BMNR was reported lower by around 4.52%, while Strategy (MSTR) declined roughly 3.07%.
But the real story is not simply that crypto stocks fell.
It is the relationship between crypto prices, treasury-company balance sheets, equity valuations, and broader market liquidity.
When Bitcoin rallies aggressively, companies with significant digital-asset exposure can attract additional demand because investors are effectively gaining indirect exposure to the underlying crypto market through publicly traded equities. But that relationship can work in reverse when momentum weakens.
BMNR provides one of the clearest examples.
BitMine Immersion Technologies has built a balance sheet heavily concentrated in Ethereum. Its September 21 disclosure showed approximately 5.98M ETH, equivalent to around 4.9% of total ETH supply, alongside 212 BTC and approximately $714M in cash and marketable securities.
Its combined crypto, cash, securities and other holdings were reported at approximately $17.1B.
That structure means BMNR can react strongly to movements in the broader crypto market, particularly Ethereum. Investors are not only evaluating the company as a traditional operating business — they are also assessing the value of its substantial digital-asset holdings and the premium or discount attached to the equity.
Strategy creates a similar mechanism through Bitcoin.
Recent reporting showed Strategy purchasing another 950 BTC for approximately $75.7M, bringing its reported Bitcoin holdings to around 846,000 BTC.
That makes MSTR highly sensitive to Bitcoin price movements, but the connection goes beyond the market value of its holdings. Investor expectations around future Bitcoin purchases, financing conditions, capital availability, and the premium assigned to the company's equity can all influence the stock simultaneously.
This is why crypto equities can sometimes move more aggressively than Bitcoin itself.
During the recent September rally, Bitcoin moved above $85K and then $86K, while crypto-linked stocks followed. Strategy gained roughly 9% earlier in the week, and BMNR climbed around 5.5% as crypto momentum strengthened.
The current decline therefore needs to be viewed in the context of that preceding rally. A one-session pullback does not by itself establish a broader market reversal.
Instead, traders are watching several signals together.
BTC support levels.
ETF flows.
Crypto-equity volume.
Treasury yields.
Broader equity-market breadth.
And the premium or discount at which treasury companies trade relative to their underlying assets.
Interest rates add another layer to the equation.
The September 24 market backdrop included the 10-year Treasury yield above 5%. Higher yields can increase competition for capital and put additional pressure on higher-beta assets, including crypto-related equities. Investors are effectively comparing volatile digital-asset exposure with increasingly attractive yields available elsewhere in the market.
That creates a powerful transmission chain:
BTC weakness → crypto-equity pressure → greater sensitivity to liquidity and rates.
But the same mechanism can operate in reverse.
If Bitcoin stabilizes and ETF demand strengthens, high-beta crypto equities can respond rapidly. If BTC continues weakening while yields remain elevated, companies with concentrated crypto exposure may experience greater equity volatility.
For BMNR, MSTR and crypto miners such as MARA, the next important question is therefore not simply whether the stocks are down today.
The key is whether the weakness expands into sustained relative underperformance.
Watch BTC direction, trading volume, ETF flows, Treasury yields and the relationship between each company's market valuation and its underlying crypto assets.
The broader takeaway is simple: crypto stocks are not merely Bitcoin proxies moving tick-for-tick.
Their balance sheets, leverage, financing structures, valuation premiums and underlying digital-asset exposure can amplify both upside momentum and downside pressure.
The $4%+ move in BMNR is therefore more than a headline percentage — it is another example of how quickly Bitcoin's momentum can transmit through the wider crypto-equity market.
[@Gate_Square](gt://mention/UlVAVVpbAwsO0O0O) 
$BMNR  ‌$MSTR  ‌$BTC  ‌
Roselyn
24/09/2026 12:12
#CryptoStocksSlipBMNRDownOver4% The crypto-equity market is showing how quickly Bitcoin momentum can travel beyond the spot market. As Bitcoin pulled back from the $87K area on September 24, crypto-linked equities also came under pressure. BMNR was reported lower by around 4.52%, while Strategy (MSTR) declined roughly 3.07%. But the real story is not simply that crypto stocks fell. It is the relationship between crypto prices, treasury-company balance sheets, equity valuations, and broader market liquidity. When Bitcoin rallies aggressively, companies with significant digital-asset exposure can attract additional demand because investors are effectively gaining indirect exposure to the underlying crypto market through publicly traded equities. But that relationship can work in reverse when momentum weakens. BMNR provides one of the clearest examples. BitMine Immersion Technologies has built a balance sheet heavily concentrated in Ethereum. Its September 21 disclosure showed approximately 5.98M ETH, equivalent to around 4.9% of total ETH supply, alongside 212 BTC and approximately $714M in cash and marketable securities. Its combined crypto, cash, securities and other holdings were reported at approximately $17.1B. That structure means BMNR can react strongly to movements in the broader crypto market, particularly Ethereum. Investors are not only evaluating the company as a traditional operating business — they are also assessing the value of its substantial digital-asset holdings and the premium or discount attached to the equity. Strategy creates a similar mechanism through Bitcoin. Recent reporting showed Strategy purchasing another 950 BTC for approximately $75.7M, bringing its reported Bitcoin holdings to around 846,000 BTC. That makes MSTR highly sensitive to Bitcoin price movements, but the connection goes beyond the market value of its holdings. Investor expectations around future Bitcoin purchases, financing conditions, capital availability, and the premium assigned to the company's equity can all influence the stock simultaneously. This is why crypto equities can sometimes move more aggressively than Bitcoin itself. During the recent September rally, Bitcoin moved above $85K and then $86K, while crypto-linked stocks followed. Strategy gained roughly 9% earlier in the week, and BMNR climbed around 5.5% as crypto momentum strengthened. The current decline therefore needs to be viewed in the context of that preceding rally. A one-session pullback does not by itself establish a broader market reversal. Instead, traders are watching several signals together. BTC support levels. ETF flows. Crypto-equity volume. Treasury yields. Broader equity-market breadth. And the premium or discount at which treasury companies trade relative to their underlying assets. Interest rates add another layer to the equation. The September 24 market backdrop included the 10-year Treasury yield above 5%. Higher yields can increase competition for capital and put additional pressure on higher-beta assets, including crypto-related equities. Investors are effectively comparing volatile digital-asset exposure with increasingly attractive yields available elsewhere in the market. That creates a powerful transmission chain: BTC weakness → crypto-equity pressure → greater sensitivity to liquidity and rates. But the same mechanism can operate in reverse. If Bitcoin stabilizes and ETF demand strengthens, high-beta crypto equities can respond rapidly. If BTC continues weakening while yields remain elevated, companies with concentrated crypto exposure may experience greater equity volatility. For BMNR, MSTR and crypto miners such as MARA, the next important question is therefore not simply whether the stocks are down today. The key is whether the weakness expands into sustained relative underperformance. Watch BTC direction, trading volume, ETF flows, Treasury yields and the relationship between each company's market valuation and its underlying crypto assets. The broader takeaway is simple: crypto stocks are not merely Bitcoin proxies moving tick-for-tick. Their balance sheets, leverage, financing structures, valuation premiums and underlying digital-asset exposure can amplify both upside momentum and downside pressure. The $4%+ move in BMNR is therefore more than a headline percentage — it is another example of how quickly Bitcoin's momentum can transmit through the wider crypto-equity market. [@Gate_Square](gt://mention/UlVAVVpbAwsO0O0O) $BMNR ‌$MSTR ‌$BTC ‌
BMNR
-4,10%
MSTR
-4,50%
BTC
-2,61%
#ShareWeekly 
U.S. Senate Rejects the Clarity Act
The U.S. Senate failed to advance the Digital Asset Market Clarity Act, which was supposed to bring clear crypto regulation. This triggered a massive $450 million outflow from spot Bitcoin ETFs in a single day.
ETF outflows hit 450M after the Senate dropped the Clarity Act.
Without regulatory clarity from Washington, Bitcoin might face short-term volatility.
$XRP  ‌🤡👍
0PnL
24/09/2026 12:11
#ShareWeekly U.S. Senate Rejects the Clarity Act The U.S. Senate failed to advance the Digital Asset Market Clarity Act, which was supposed to bring clear crypto regulation. This triggered a massive $450 million outflow from spot Bitcoin ETFs in a single day. ETF outflows hit 450M after the Senate dropped the Clarity Act. Without regulatory clarity from Washington, Bitcoin might face short-term volatility. $XRP ‌🤡👍
Grayscale Bitcoin Mini Trust ETF
-1,96%
XRP
-6,63%
Mais postagens sobre BTC

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