Compra Bitcoin(BTC)

Compra Bitcoin facilmente com o nosso guia passo-a-passo.
Preço estimado
1 BTC0,00 USD
Bitcoin
BTC
Bitcoin
$76 174,7
-1.73%
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Como comprar Bitcoin(BTC) com USD?

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Confirmar ordem
Reveja os detalhes da transação, incluindo o preço BTC/USD, taxas e outras notas. Uma vez confirmada, submeta a ordem.
Receba Bitcoin(BTC)
Após o pagamento bem sucedido, o BTC adquirido vai ser automaticamente creditado na sua carteira Gate.com.

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

  • 1
    Criar a sua conta Gate.com e verificar a sua identidadePara comprar BTC em segurança, comece por se inscrever numa conta Gate.com e concluir a verificação da identidade KYC para proteger as suas transações.
  • 2
    Escolha BTC e método de pagamentoAceda à seção "Comprar Bitcoin(BTC)", selecione BTC, introduza o montante que pretende comprar e escolha cartão de débito como opção de pagamento. Em seguida, preencha os dados do seu cartão.
  • 3
    Receba BTC instantaneamente na sua carteiraDepois de confirmar a ordem, o BTC que comprar vai ser creditado de forma instantânea e segura na sua carteira Gate.com — pronto para ser negociado, guardado ou transferido.

Porquê comprar Bitcoin(BTC)?

O que é Bitcoin? O nascimento do ouro digital descentralizado
A Bitcoin (BTC) foi introduzida em 2008 por Satoshi Nakamoto e lançada oficialmente em 2009 como a primeira criptomoeda descentralizada do mundo. Permite pagamentos eletrónicos peer-to-peer sem intermediários como bancos ou governos. Todas as transações são registadas numa blockchain pública, garantindo transparência e segurança.
Como é que a Bitcoin funciona? Consenso PoW e tecnologia de blockchain
A Bitcoin funciona com um mecanismo de consenso de Prova de Trabalho (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 do bloco e regista a transação na blockchain. Este sistema assegura a segurança da rede, mas resulta num elevado consumo de energia e numa maior dificuldade de extração.
Oferta de Bitcoin e mecanismo de halving
A oferta de Bitcoin está estritamente limitada a 21 milhões de moedas, o que a torna absolutamente escassa. De quatro em quatro anos, um evento de "halving" reduz a recompensa do bloco para os mineradores, abrandando a criação de novas bitcoins. Isto reforça as propriedades anti-inflacionárias da Bitcoin e é um fator chave para a valorização do seu preço a longo prazo. Até ao final de 2024, foram extraídas mais de 19,7 milhões de bitcoins.
Histórico de preços e impacto no mercado
A Bitcoin começou praticamente sem valor, atingindo $20,000 in 2017 and hitting new highs above $60 000 em 2021. Tem registado uma volatilidade extrema - como o famoso "Bitcoin Pizza Day", que marcou a sua primeira utilização comercial. Apesar de, no passado, ter sido considerada uma bolha ou uma fraude, a crescente adoção institucional e generalizada fez com que o seu valor de mercado ultrapassasse 1 bilião de dólares.
Razões e riscos para investir em Bitcoin
Proteção contra a inflação e armazenamento de valor: a oferta fixa e os eventos de redução para metade fazem da Bitcoin um ouro digital e um potencial ativo de refúgio seguro. Alta liquidez: a BTC é negociada em todas as principais exchanges, permitindo uma fácil alocação de carteira. Descentralização e autonomia: não é controlada por uma única entidade; os utilizadores têm controlo total sobre os seus ativos. Técnica e riscos regulamentares: elevada volatilidade, regulamentos pouco claros, preocupações ambientais decorrentes da exploração mineira e utilidade de pagamento limitada.
Pontos de vista céticos e perspetivas alternativas
Apesar da sua natureza revolucionária, a eficiência da Bitcoin como instrumento de pagamento é baixa e os riscos regulamentares continuam a ser significativos. Alguns especialistas veem a Bitcoin mais como um ativo especulativo do que como uma reserva de valor estável. Os investidores devem avaliar cuidadosamente a sua tolerância ao risco.

Bitcoin(BTC) Preço atual e Tendências de mercado

BTC/USD
Bitcoin
$76 174,7
-1.73%
Mercados
Popularidade
Capitalização de mercado
#1
$1,52T
Volume
Oferta de circulação
$551,14M
20,02M

Atualmente, a Bitcoin (BTC) tem um preço de $76 174,7 por moeda. A oferta em circulação é de aproximadamente 20 021 928 BTC, resultando numa capitalização de mercado total de $20,02M, Classificação atual da capitalização de mercado: 1.

Nas últimas 24 horas, o volume de negociação do Bitcoin atingiu $551,14M, representando um -1.73% em comparação com o dia anterior. Na semana passada, o preço do Bitcoin +0.38%, refletindo a procura contínua de BTC como ouro digital e uma proteção contra a inflação.

Além disso, o máximo histórico da Bitcoin foi $126 080. A volatilidade do mercado continua a ser significativa, pelo que os investidores devem acompanhar de perto as tendências macroeconómicas e os desenvolvimentos regulamentares.

Bitcoin(BTC) Comparar com outras criptomoedas

BTC VS
BTC
em massa
Variação percentual de 24h
Alteração de 7d por cento
Volume de negociações 24h
Capitalização de mercado
Classificação de mercado
Oferta circulante

O que se segue depois de comprar Bitcoin(BTC)?

À vista
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Converter
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Vantagens de comprar Bitcoin através de Gate

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100% de Prova de Reservas desde maio de 2020
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Outras criptomoedas disponíveis na Gate

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À medida que a Strategy se aproxima do marco de um milhão de Bitcoin, detendo atualmente 818 334 BTC, a MARA está a efectuar reduções significativas nas suas participações, o portefólio da Galaxy mantém-se abaixo das dez mil moedas e os fundos soberanos entram discretamente no mercado.
Onyxcoin lidera a recuperação enquanto as altcoins recuperam terreno: estará em curso uma rotação de capital?
Onyxcoin (XCN) registou uma valorização de 47 % num único dia após a sua listagem na Upbit, liderando os ganhos no mercado de altcoins. Dados sincronizados da Glassnode indicam que mais de 30 % dos projetos superaram o BTC nos ganhos semanais.
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Mais wiki sobre BTC

As últimas notícias sobre Bitcoin(BTC)

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花旗上修 AI 市場估值至 4.2 兆美元、CapEx 預測 8.9 兆
2026-04-28 12:04GateNews
Hyperscale Data 比特币持仓飙升至超 675 BTC,价值 5310 万美元
Mais notícias sobre BTC
【$BTC Signal】Bearish Order: 1H Bollinger Lower Band opening + deep imbalance  
RSI on 1H drops to 30, buying depth only 0.04, clear accumulation of sell orders. The 4H Bollinger lower band at 75958 has been touched, but the MACD green bars continue to expand, indicating the bears are not exhausted. Continuous bearish candles on 1H, weak rebound, selling pressure persists.
🎯Direction: Watchful (Place a short order )
⚡Order: 77368.59 (Short at the upper edge of the rebound zone)
🛑Stop loss: 77987.54
🚀Target 1: 76130.70
🚀Target 2: 75511.75
🛡️Trading management:
- Reduce 50% of position upon reaching Target 1, move stop loss to break-even; if the price reverses and breaks the stop loss, exit decisively, do not hold the position.
(4H funding rate is 0.0%, no short squeeze risk; OI is stable, bears hold a clear advantage. Current price is near the lower band, but the depth data does not support going long; after a rebound, further decline is more likely. Be patient and wait for the orders to fill. )
Check real-time market 👇 $BTC
---
Follow me: Get more real-time analysis and insights on the crypto market! $BTC $ETH $SOL
十一
2026-04-28 13:18
【$BTC Signal】Bearish Order: 1H Bollinger Lower Band opening + deep imbalance RSI on 1H drops to 30, buying depth only 0.04, clear accumulation of sell orders. The 4H Bollinger lower band at 75958 has been touched, but the MACD green bars continue to expand, indicating the bears are not exhausted. Continuous bearish candles on 1H, weak rebound, selling pressure persists. 🎯Direction: Watchful (Place a short order ) ⚡Order: 77368.59 (Short at the upper edge of the rebound zone) 🛑Stop loss: 77987.54 🚀Target 1: 76130.70 🚀Target 2: 75511.75 🛡️Trading management: - Reduce 50% of position upon reaching Target 1, move stop loss to break-even; if the price reverses and breaks the stop loss, exit decisively, do not hold the position. (4H funding rate is 0.0%, no short squeeze risk; OI is stable, bears hold a clear advantage. Current price is near the lower band, but the depth data does not support going long; after a rebound, further decline is more likely. Be patient and wait for the orders to fill. ) Check real-time market 👇 $BTC --- Follow me: Get more real-time analysis and insights on the crypto market! $BTC $ETH $SOL
BTC
-1.77%
ETH
-1.67%
SOL
-1.76%
📰 【Tether Launches Modular Bitcoin Mining System to Optimize Energy Efficiency and Control Costs.】  
BlockBeats News, April 28th, Tether announced the launch of a new generation of modular Bitcoin mining infrastructure, enhancing energy efficiency, cost control, and scalability through self-developed high-density computing systems. The solution is built on application-specific hash board modules and developed in cooperation with Canaan Inc. and ACME Swisstech, decoupling computing, power supply, and chassis structure to achieve component-level optimization and flexible upgrades. Compared to traditional integrated miners, this design supports on-demand expansion, replacement of individual components, and improved thermal management efficiency. Tether stated that the new system can incorporate immersion cooling to reduce energy consumption and operational costs, as well as improve system availability. This architecture also allows for...  
Modular miners? Tether has finally realized that relying on printing USDT to buy electricity isn't a sustainable long-term strategy. Disassembling hash boards, power supplies, and chassis for sale is essentially just a Lego-like shell swap. How much does energy efficiency improve? How many points does hash rate cost drop? No data, so what’s the point? Immersion cooling? That’s just the old money-burning trick for stability. This move is merely shifting the risks of centralized mining farms onto retail assemblers. Stop hyping it—wait half a year for real hash rate data before shouting about it. 👇👇👇👇👇
SpeedingSoloBrother
2026-04-28 13:18
📰 【Tether Launches Modular Bitcoin Mining System to Optimize Energy Efficiency and Control Costs.】 BlockBeats News, April 28th, Tether announced the launch of a new generation of modular Bitcoin mining infrastructure, enhancing energy efficiency, cost control, and scalability through self-developed high-density computing systems. The solution is built on application-specific hash board modules and developed in cooperation with Canaan Inc. and ACME Swisstech, decoupling computing, power supply, and chassis structure to achieve component-level optimization and flexible upgrades. Compared to traditional integrated miners, this design supports on-demand expansion, replacement of individual components, and improved thermal management efficiency. Tether stated that the new system can incorporate immersion cooling to reduce energy consumption and operational costs, as well as improve system availability. This architecture also allows for... Modular miners? Tether has finally realized that relying on printing USDT to buy electricity isn't a sustainable long-term strategy. Disassembling hash boards, power supplies, and chassis for sale is essentially just a Lego-like shell swap. How much does energy efficiency improve? How many points does hash rate cost drop? No data, so what’s the point? Immersion cooling? That’s just the old money-burning trick for stability. This move is merely shifting the risks of centralized mining farms onto retail assemblers. Stop hyping it—wait half a year for real hash rate data before shouting about it. 👇👇👇👇👇
BTC
-1.77%
USDT
0%
Good evening everyone, staring at Gate's order book, do you get a feeling of "what the hell is this dog dilly-dallying for"?
Just as I’m typing this—DOGE is steadily hovering around $0.0985.  
You read that right, again at this level. This is already the fourth day it’s been bouncing back and forth within this narrow box of $0.097 to $0.102, which is painfully tight.
💤 Looks like it’s lying flat on the surface, but actually, dark currents are surging underneath.
You might find the market boring, but in reality—funds are quietly working behind the scenes.
First, good news you want to hear:  
Something big just happened in Europe. Just now, 21Shares officially listed the Dogecoin ETP on the German Xetra Exchange. What does this mean? Institutional money in Europe now has a compliant channel to enter. This is another major step for DOGE’s “mainstream acceptance,” following the US ETF.
But you have to look at this from two angles—US ETFs have seen almost no new inflows since April 15.  
On one side, Europe is opening strong, while the US side remains on the sidelines. Does this “scissor gap” make your heart flutter a bit?
📉 Why isn’t it rising? Where’s the risk?
Don’t worry, let’s break it down.
· The macro wall is very thick  
  Crude oil is still swinging above $100, and PCE inflation data is about to be released.  
  The current logic of big funds is simple: don’t touch anything, hold cash for safety. Under this sentiment, not just DOGE, even big brother BTC is trembling around $76,500.  
  As an emotional amplifier, retail traders dare not rush in, which is normal.  
· Market language: this is called “suffocating shakeout”  
  Check out the funding rate for Gate’s perpetual contracts—it’s actually negative.  
  To translate: short sellers are even paying long buyers.  
  But has the price fallen? No. Shorts can’t push it down. This is a typical “malicious low liquidity manipulation”: both longs and shorts are holding on, waiting to cut losses first.  
· But there’s a crucial detail  
  Everyone is criticizing “Dogecoin is no good,” but I saw that Grayscale’s GDOG fund suddenly saw inflows yesterday.  
  Although the volume isn’t large, it’s a signal—smart money has started to buy in below $0.10 in batches.
🩸 My bottom line: keep an eye on these two numbers
The current market doesn’t require you to go all-in with passion; just calmly place your orders.
· Defensive bottom line: $0.0965  
  This is the last line of defense at the lower band of the 4-hour Bollinger Bands.  
  The logic is simple: as long as it doesn’t break below this effectively, the main players aren’t dumping, they’re just putting on a show. If the 4-hour candle closes below $0.0960, then it’s a vacuum zone below, heading straight for $0.0900.  
· Attack signal level: $0.1020  
  Fluctuations below this are just for the little guys. Only a volume surge and stabilization above $0.1020 will signal the bulls are rallying.
🎯 How exactly to do it? (Buy low on the left side + confirm on the right side)
No ambiguity, here are two plans:
1. “Dog catching” strategy on the left (suitable for patient traders)  
   · Order zone: $0.0972 - $0.0980  
   · Stop-loss: $0.0961 (leave some room for the main players to insert their needles)  
   · Position size: 2-3%, don’t bet heavy.  
   · Logic: Negative fee rate + support level, risk-reward ratio is favorable.  
2. “Chasing the rally” strategy on the right (suitable for those seeking stability)  
   · Entry condition: price breaks above $0.1020 with volume on the 15-minute chart.  
   · First target: $0.1050  
   · Stop-loss: set directly at $0.0995, breaking the $0.10 psychological level is a false breakout.
🤔 Finally, I have a question for everyone:
Do you think DOGE is currently “building a bottom and absorbing chips,” or is it “long-term decline inevitable”?  
Write your answer in the comments, or do you still hold DOGE?  
If this market has worn you down to the point of wanting to curse, also drop a “1” so I can see I’m not the only one holding on! 👇  
#WCTC交易王PK $DOGE
TheOracle
2026-04-28 13:16
Good evening everyone, staring at Gate's order book, do you get a feeling of "what the hell is this dog dilly-dallying for"? Just as I’m typing this—DOGE is steadily hovering around $0.0985. You read that right, again at this level. This is already the fourth day it’s been bouncing back and forth within this narrow box of $0.097 to $0.102, which is painfully tight. 💤 Looks like it’s lying flat on the surface, but actually, dark currents are surging underneath. You might find the market boring, but in reality—funds are quietly working behind the scenes. First, good news you want to hear: Something big just happened in Europe. Just now, 21Shares officially listed the Dogecoin ETP on the German Xetra Exchange. What does this mean? Institutional money in Europe now has a compliant channel to enter. This is another major step for DOGE’s “mainstream acceptance,” following the US ETF. But you have to look at this from two angles—US ETFs have seen almost no new inflows since April 15. On one side, Europe is opening strong, while the US side remains on the sidelines. Does this “scissor gap” make your heart flutter a bit? 📉 Why isn’t it rising? Where’s the risk? Don’t worry, let’s break it down. · The macro wall is very thick Crude oil is still swinging above $100, and PCE inflation data is about to be released. The current logic of big funds is simple: don’t touch anything, hold cash for safety. Under this sentiment, not just DOGE, even big brother BTC is trembling around $76,500. As an emotional amplifier, retail traders dare not rush in, which is normal. · Market language: this is called “suffocating shakeout” Check out the funding rate for Gate’s perpetual contracts—it’s actually negative. To translate: short sellers are even paying long buyers. But has the price fallen? No. Shorts can’t push it down. This is a typical “malicious low liquidity manipulation”: both longs and shorts are holding on, waiting to cut losses first. · But there’s a crucial detail Everyone is criticizing “Dogecoin is no good,” but I saw that Grayscale’s GDOG fund suddenly saw inflows yesterday. Although the volume isn’t large, it’s a signal—smart money has started to buy in below $0.10 in batches. 🩸 My bottom line: keep an eye on these two numbers The current market doesn’t require you to go all-in with passion; just calmly place your orders. · Defensive bottom line: $0.0965 This is the last line of defense at the lower band of the 4-hour Bollinger Bands. The logic is simple: as long as it doesn’t break below this effectively, the main players aren’t dumping, they’re just putting on a show. If the 4-hour candle closes below $0.0960, then it’s a vacuum zone below, heading straight for $0.0900. · Attack signal level: $0.1020 Fluctuations below this are just for the little guys. Only a volume surge and stabilization above $0.1020 will signal the bulls are rallying. 🎯 How exactly to do it? (Buy low on the left side + confirm on the right side) No ambiguity, here are two plans: 1. “Dog catching” strategy on the left (suitable for patient traders) · Order zone: $0.0972 - $0.0980 · Stop-loss: $0.0961 (leave some room for the main players to insert their needles) · Position size: 2-3%, don’t bet heavy. · Logic: Negative fee rate + support level, risk-reward ratio is favorable. 2. “Chasing the rally” strategy on the right (suitable for those seeking stability) · Entry condition: price breaks above $0.1020 with volume on the 15-minute chart. · First target: $0.1050 · Stop-loss: set directly at $0.0995, breaking the $0.10 psychological level is a false breakout. 🤔 Finally, I have a question for everyone: Do you think DOGE is currently “building a bottom and absorbing chips,” or is it “long-term decline inevitable”? Write your answer in the comments, or do you still hold DOGE? If this market has worn you down to the point of wanting to curse, also drop a “1” so I can see I’m not the only one holding on! 👇 #WCTC交易王PK $DOGE
DOGE
+0.67%
BTC
-1.77%
Mais publicações sobre BTC

Perguntas Frequentes sobre a compra de Bitcoin(BTC)

As respostas às Perguntas Frequentes são geradas pela IA e são fornecidas apenas para referência. Avalie cuidadosamente o conteúdo.
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