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Preço estimado
1 BTC ≈ 0,00 USD
Bitcoin
BTC
Bitcoin
$76.864,3
-1,78%
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Como comprar Bitcoin(BTC) com USD?

Insira o Valor
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Confirmar ordem
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Receba Bitcoin(BTC)
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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
$76.864,3
-1,78%
Mercados
Popularidade
Capitalização de Mercado
#1
$1,54T
Volume
Oferta em circulação
$585,54M
20,07M

A partir de agora, o preço de Bitcoin (BTC) está cotado em $76.864,3 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 $585,54M, representando um -1.78% em comparação com o dia anterior. Na semana passada, Bitcoin cotou em +20.44%, 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)

23/08/2026 07:43Crypto Frontier
比特币矿工的哈希价格在 8 月 18 日至 8 月 22 日期间上涨 20.41%
23/08/2026 07:33Gate News
CoinDesk分析师称,比特币50日和200日移动平均线正接近形成金叉
23/08/2026 07:21Gate News
Lebit Pool 创始人表示,以太坊现货 ETF 上周录得 $700M 资金流入,为比特币现货 ETF 资金流入的 36.4%。
23/08/2026 07:17Gate News
8 月 23 日,比特币资金费率保持中性,而以太坊进入看涨区域
23/08/2026 07:13Gate News
比特币普尔倍数升至 0.96,单周上涨 0.2,创 5 月以来最大三个月涨幅
Mais notícias sobre BTC
$BTC  setup big short round 4 DCA, thank me later🤑
entry 76000-77000
sl 77300
tp 75400-74800
#BTC #CRYPTO #TRADING
#BTCBreaks77000
VF5Trader
23/08/2026 08:08
$BTC setup big short round 4 DCA, thank me later🤑 entry 76000-77000 sl 77300 tp 75400-74800 #BTC #CRYPTO #TRADING #BTCBreaks77000
BTC
-1,69%
The shorts are already lying in wait—are BTC bulls still willing to catch a falling knife?
 
$BTC /USDT - SHORT
 
Trading Plan:
Entry: 75874.4 – 76110.6
SL: 77126.6
TP1: 75141.9
TP2: 74574.8
TP3: 73724.3
 
Why watch this setup?
- The 4-hour EMA structure is bearish and the direction is clear: SHORT, with 55.4 confidence—not a baseless call.
- The 15-minute RSI has reached 34.7, indicating short-term oversold conditions, but under trend pressure, any rebound is an opportunity to add to short positions.
- Key levels: current price 75992, TP1 at 75141, TP2 at 74574, and SL at 77126, with a risk-reward ratio close to 1:2.5.
- Why now? The daily chart is ranging, while the 4-hour chart has broken down—this is precisely the first wave of momentum in the “range-to-bearish” shift.
 
Discussion:
Will this move first crash to TP2, or will it induce shorts before a V-shaped reversal? Show your position direction in the comments.
612Ceros
23/08/2026 08:02
The shorts are already lying in wait—are BTC bulls still willing to catch a falling knife? $BTC /USDT - SHORT Trading Plan: Entry: 75874.4 – 76110.6 SL: 77126.6 TP1: 75141.9 TP2: 74574.8 TP3: 73724.3 Why watch this setup? - The 4-hour EMA structure is bearish and the direction is clear: SHORT, with 55.4 confidence—not a baseless call. - The 15-minute RSI has reached 34.7, indicating short-term oversold conditions, but under trend pressure, any rebound is an opportunity to add to short positions. - Key levels: current price 75992, TP1 at 75141, TP2 at 74574, and SL at 77126, with a risk-reward ratio close to 1:2.5. - Why now? The daily chart is ranging, while the 4-hour chart has broken down—this is precisely the first wave of momentum in the “range-to-bearish” shift. Discussion: Will this move first crash to TP2, or will it induce shorts before a V-shaped reversal? Show your position direction in the comments.
After a violent surge on the daily timeframe pushed price to a stage high, bullish momentum quickly faded, leading to a sharp pullback. The daily chart formed a long upper-wick candlestick, with heavy volume but stagnant price action at the highs, while funds continued to flow out. The short-term uptrend has come to an end, and price rapidly retraced from the highs, directly breaking below yesterday’s upward support. The market has shifted from a unilateral rise to a high-level correction pattern. This is currently a deep shakeout following the sharp rally. The daily Bollinger Bands’ upper band has begun to turn downward, while the MACD red bars have shortened noticeably, indicating weakening bullish momentum.
Bitcoin came under pressure and pulled back from the highs after its earlier surge on the daily chart, with the current price at 76073. Strong resistance above lies at 77500‑77900, which is both the high zone of this surge-and-pullback move and the area where trapped positions are concentrated; selling pressure will be heavy if price rebounds to this range. The key support below is 75580, today’s intraday low. If this level is lost, the daily correction will open up further, with the next support around 74000. Only a renewed high-volume move that stabilizes above 77900 on the daily chart can bring the market back into a strong bullish trend; for now, there is no such signal. Ether also followed Bitcoin in surging before pulling back, forming a long upper wick on the daily chart. It has greater volatility and has fallen more sharply than Bitcoin, with the current price at 2388. Resistance above lies at 2440‑2470, the previous consolidation range, where a rebound is likely to face pressure. Support below is 2355, today’s low; once it breaks, downside room will open up, with the next support around 2260. Ether is a highly volatile asset, and when Bitcoin weakens, Ether is more likely to accelerate downward, making it difficult for it to strengthen independently. Given the current high-level correction, a pressured pullback after a rebound is more likely. After a major rally, profit-taking positions have largely exited, and the market is now undergoing a shakeout and recovery following the sharp rise. Even if a rebound occurs, it will mostly be a corrective rebound during the decline, and directly setting a new high again will be very difficult. Only a renewed high-volume recovery of the resistance range above can reverse the current correction pattern.
Sunday afternoon swing-trading strategy
 Bitcoin: If the rebound stalls in the 77300‑77700 range and a pressure candlestick appears, enter short; target 74000‑75600.
 On a pullback to 75500‑74000, enter long after a confirmed bottom; target 76800‑78000.
 Ether: If the rebound meets resistance and weakens in the 2430‑2460 range, participate; target 2300‑2355.
 On a pullback to 2350‑2300, enter long after a confirmed bottom; target 2500‑2450.
ZhaoXiangmingTrendTalk1
23/08/2026 08:00
After a violent surge on the daily timeframe pushed price to a stage high, bullish momentum quickly faded, leading to a sharp pullback. The daily chart formed a long upper-wick candlestick, with heavy volume but stagnant price action at the highs, while funds continued to flow out. The short-term uptrend has come to an end, and price rapidly retraced from the highs, directly breaking below yesterday’s upward support. The market has shifted from a unilateral rise to a high-level correction pattern. This is currently a deep shakeout following the sharp rally. The daily Bollinger Bands’ upper band has begun to turn downward, while the MACD red bars have shortened noticeably, indicating weakening bullish momentum. Bitcoin came under pressure and pulled back from the highs after its earlier surge on the daily chart, with the current price at 76073. Strong resistance above lies at 77500‑77900, which is both the high zone of this surge-and-pullback move and the area where trapped positions are concentrated; selling pressure will be heavy if price rebounds to this range. The key support below is 75580, today’s intraday low. If this level is lost, the daily correction will open up further, with the next support around 74000. Only a renewed high-volume move that stabilizes above 77900 on the daily chart can bring the market back into a strong bullish trend; for now, there is no such signal. Ether also followed Bitcoin in surging before pulling back, forming a long upper wick on the daily chart. It has greater volatility and has fallen more sharply than Bitcoin, with the current price at 2388. Resistance above lies at 2440‑2470, the previous consolidation range, where a rebound is likely to face pressure. Support below is 2355, today’s low; once it breaks, downside room will open up, with the next support around 2260. Ether is a highly volatile asset, and when Bitcoin weakens, Ether is more likely to accelerate downward, making it difficult for it to strengthen independently. Given the current high-level correction, a pressured pullback after a rebound is more likely. After a major rally, profit-taking positions have largely exited, and the market is now undergoing a shakeout and recovery following the sharp rise. Even if a rebound occurs, it will mostly be a corrective rebound during the decline, and directly setting a new high again will be very difficult. Only a renewed high-volume recovery of the resistance range above can reverse the current correction pattern. Sunday afternoon swing-trading strategy Bitcoin: If the rebound stalls in the 77300‑77700 range and a pressure candlestick appears, enter short; target 74000‑75600. On a pullback to 75500‑74000, enter long after a confirmed bottom; target 76800‑78000. Ether: If the rebound meets resistance and weakens in the 2430‑2460 range, participate; target 2300‑2355. On a pullback to 2350‑2300, enter long after a confirmed bottom; target 2500‑2450.
BTC
-1,69%
ETH
-1,85%
Mais postagens sobre BTC

Perguntas frequentes sobre a compra de Bitcoin(BTC)

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