Comprar Bitcoin(BTC)

Comprar Bitcoin facilmente com nosso guia passo a passo.
Preço estimado
1 BTC ≈ 0,00 USD
Bitcoin
BTC
Bitcoin
$78.694,4
-0,15%
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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
$78.694,4
-0,15%
Mercados
Popularidade
Capitalização de Mercado
#1
$1,57T
Volume
Oferta em circulação
$363,95M
20,07M

A partir de agora, o preço de Bitcoin (BTC) está cotado em $78.694,4 por moeda. A oferta circulante é de aproximadamente 20.075.700 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 $363,95M, representando um -0.15% em comparação com o dia anterior. Na semana passada, Bitcoin cotou em +13.8%, 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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100% de comprovação de reservas desde maio de 2020
Negociação eficiente com saque e depósito instantâneos

Outras criptomoedas disponíveis na Gate

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Who Should Use Gate Card? A Breakdown of Crypto Payment Options for Three Types of Digital Asset Users
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Últimas notícias sobre Bitcoin(BTC)

27/08/2026 03:41Gate News
比特币涨势在 8.1 万美元-$86K 区域面临关键考验,ETF 资金流入达 22.3 亿美元
27/08/2026 03:01Gate News
新钱包向 Hyperliquid 存入 500 万 USDC,并以 20 倍杠杆做空 ETH 和 BTC
27/08/2026 02:52Market Whisper
泰国发布加密货币现货ETF草案,SET股票市场将率先开放BTC和ETH交易
27/08/2026 02:36Market Whisper
GalaxyOne PLOC 信用额度已在美国 40 个州上线,支持以 BTC 和 ETH 作为抵押品
27/08/2026 02:33Ethan Brooks
StarkWare 完成首笔抗量子攻击的比特币交易
Mais notícias sobre BTC
#EventContracts1%Reward | EVENT CONTRACTS ARE TURNING SHORT-TERM VOLATILITY INTO A STRATEGY
$BTC  ‌$ETH  ‌
Short-term markets are rarely about certainty. They are about probability, timing, execution and risk control.
That is exactly where Gate’s Event Contracts campaign becomes interesting.
The campaign combines short-duration directional contracts with a layered reward structure designed to increase participation while returning part of eligible trading activity through multiple incentive mechanisms.
The headline offer is a 1% trading-volume reward, supported by a total 200,000 USDT reward pool. The product focuses on short-term price-direction scenarios across BTC, ETH and other listed assets, giving traders the ability to express a view on whether an asset will move higher or lower within a defined timeframe.
For active traders, the important point is that the campaign is not built around one single reward.
It has several layers.
New users receive an additional entry-level safety mechanism. The first 2,000 eligible new users whose first Event Contract trade results in a loss can receive compensation based on their actual loss, subject to a maximum of 5 USDT per user.
The campaign also introduces a Peak Trading Competition with a 100,000 USDT prize pool. Rewards are structured according to trading-volume levels, while participants reaching at least 1 million USDT in qualifying volume are positioned for a 1% reward under the stated campaign conditions.
There is another opportunity for eligible traders who do not receive leaderboard rewards. A dedicated 50,000 USDT pool is distributed according to participants’ proportional share of qualifying trading volume, with individual rewards capped at 500 USDT.
The daily volume structure adds another layer of consistency.
Users reaching at least 500 USDT daily volume can qualify for a 2.5 USDT daily reward, while 1,000 USDT daily volume can qualify for a 10 USDT daily reward. Participants need to satisfy the applicable requirements on at least three days, and consistently meeting the higher tier throughout the event can provide up to 70 USDT under the stated terms.
Daily check-ins create a separate participation route. Completing at least three trades while reaching 20 USDT in daily trading volume counts toward the check-in requirement. Users completing the requirement on three or more cumulative days can participate in the 10,000 USDT check-in reward pool.
This structure tells us something important about the campaign design.
It rewards participation, consistency and volume, rather than depending entirely on a single large trade.
From a market perspective, BTC and ETH may offer a practical starting point because their deeper liquidity can generally reduce execution friction compared with smaller and less liquid assets. However, liquidity does not eliminate risk. Event Contracts remain short-term directional products, and rapid price movements can still produce losses.
The initial loss-compensation mechanism may reduce the psychological barrier for eligible new users, but it should not be interpreted as protection against unlimited downside. The exact eligibility rules, limits and campaign conditions remain essential.
My approach would be to treat the rewards as an additional layer around a trading strategy, not as the reason to trade.
Do not increase volume simply to reach a reward tier.
Do not chase the leaderboard without calculating costs.
Do not assume a 1% reward automatically means a 1% net profit.
Fees, spreads, slippage, market movement and opportunity cost all matter.
The strongest strategy is therefore simple: use defined risk, focus on liquid markets, maintain consistent execution and let the incentive remain secondary to the trade itself.
#EventContracts1%Reward is ultimately more than a cashback promotion. It is a mechanism designed to bring traders deeper into short-term event-based markets while rewarding sustained participation.
The opportunity is real, but so is the risk.
Understand the contract before entering, verify the reward conditions, calculate the economics and never confuse promotional rewards with guaranteed returns.
$BTC $ETH #EventContracts1%Reward
SoominStar
27/08/2026 03:31
#EventContracts1%Reward | EVENT CONTRACTS ARE TURNING SHORT-TERM VOLATILITY INTO A STRATEGY $BTC ‌$ETH ‌ Short-term markets are rarely about certainty. They are about probability, timing, execution and risk control. That is exactly where Gate’s Event Contracts campaign becomes interesting. The campaign combines short-duration directional contracts with a layered reward structure designed to increase participation while returning part of eligible trading activity through multiple incentive mechanisms. The headline offer is a 1% trading-volume reward, supported by a total 200,000 USDT reward pool. The product focuses on short-term price-direction scenarios across BTC, ETH and other listed assets, giving traders the ability to express a view on whether an asset will move higher or lower within a defined timeframe. For active traders, the important point is that the campaign is not built around one single reward. It has several layers. New users receive an additional entry-level safety mechanism. The first 2,000 eligible new users whose first Event Contract trade results in a loss can receive compensation based on their actual loss, subject to a maximum of 5 USDT per user. The campaign also introduces a Peak Trading Competition with a 100,000 USDT prize pool. Rewards are structured according to trading-volume levels, while participants reaching at least 1 million USDT in qualifying volume are positioned for a 1% reward under the stated campaign conditions. There is another opportunity for eligible traders who do not receive leaderboard rewards. A dedicated 50,000 USDT pool is distributed according to participants’ proportional share of qualifying trading volume, with individual rewards capped at 500 USDT. The daily volume structure adds another layer of consistency. Users reaching at least 500 USDT daily volume can qualify for a 2.5 USDT daily reward, while 1,000 USDT daily volume can qualify for a 10 USDT daily reward. Participants need to satisfy the applicable requirements on at least three days, and consistently meeting the higher tier throughout the event can provide up to 70 USDT under the stated terms. Daily check-ins create a separate participation route. Completing at least three trades while reaching 20 USDT in daily trading volume counts toward the check-in requirement. Users completing the requirement on three or more cumulative days can participate in the 10,000 USDT check-in reward pool. This structure tells us something important about the campaign design. It rewards participation, consistency and volume, rather than depending entirely on a single large trade. From a market perspective, BTC and ETH may offer a practical starting point because their deeper liquidity can generally reduce execution friction compared with smaller and less liquid assets. However, liquidity does not eliminate risk. Event Contracts remain short-term directional products, and rapid price movements can still produce losses. The initial loss-compensation mechanism may reduce the psychological barrier for eligible new users, but it should not be interpreted as protection against unlimited downside. The exact eligibility rules, limits and campaign conditions remain essential. My approach would be to treat the rewards as an additional layer around a trading strategy, not as the reason to trade. Do not increase volume simply to reach a reward tier. Do not chase the leaderboard without calculating costs. Do not assume a 1% reward automatically means a 1% net profit. Fees, spreads, slippage, market movement and opportunity cost all matter. The strongest strategy is therefore simple: use defined risk, focus on liquid markets, maintain consistent execution and let the incentive remain secondary to the trade itself. #EventContracts1%Reward is ultimately more than a cashback promotion. It is a mechanism designed to bring traders deeper into short-term event-based markets while rewarding sustained participation. The opportunity is real, but so is the risk. Understand the contract before entering, verify the reward conditions, calculate the economics and never confuse promotional rewards with guaranteed returns. $BTC $ETH #EventContracts1%Reward
BTC
-0,08%
ETH
+1,21%
#NVIDIAEarnings | $NVDA — THE AI TEST THAT COULD MOVE CRYPTO NEXT
NVIDIA’s earnings are no longer just a semiconductor event. They have become one of the clearest real-time tests of whether the AI investment cycle still has enough strength to support elevated risk appetite across global markets.
That makes this earnings window especially important for both tech and crypto traders.
The key question is not simply whether NVIDIA beats estimates. The bigger question is whether management can reinforce the AI spending narrative through data-center growth, demand visibility, margins and forward guidance. A strong headline beat without convincing guidance could still disappoint the market, while resilient forward demand could keep capital flowing toward high-beta assets.
The cross-market connection matters.
When investors reduce equity risk ahead of major earnings, liquidity can temporarily move toward cash and stablecoins. When confidence returns, that liquidity can rotate back into equities and crypto. In that environment, $BTC and $ETH become useful sentiment indicators, while higher-beta assets such as $SOL can react even more aggressively to changes in risk appetite.
There is also an interesting second layer through Gate’s NVIDIA-focused campaign.
Rewards connected with $NVDAG, NVIDIA exposure, GPUs and other promotional mechanics can attract additional attention around the event, while yield opportunities may give traders another way to deploy capital during periods of uncertainty. But promotional APYs should never be treated as guaranteed portfolio returns. Investors need to check caps, duration, eligibility, pool conditions and the actual effective rate before committing funds.
The same discipline applies to $NVDAG.
Tokenized equity exposure can reduce the friction between traditional markets and crypto-native portfolios, but liquidity, spreads, market hours, product structure and jurisdictional restrictions still matter. A token representing equity exposure should not automatically be treated as identical to holding the underlying stock.
From a trading perspective, I would focus on the reaction rather than predicting the headline.
Bull case: NVIDIA delivers strong numbers and raises confidence in future AI infrastructure spending. Risk appetite expands, tech momentum strengthens and crypto could receive a secondary liquidity boost.
Neutral case: Results beat expectations but guidance remains cautious. Volatility could remain elevated as traders debate whether the AI growth premium is already priced in.
Bear case: Demand expectations weaken or guidance disappoints. A sharp tech repricing could pressure crypto through broader risk-off flows.
The biggest mistake would be chasing volatility simply because NVIDIA is in the spotlight.
Blind-box rewards are bonuses, not an investment thesis. High APY is not free money. And a strong earnings narrative does not eliminate downside risk.
For me, the real trade is the liquidity signal.
Watch NVIDIA’s guidance, then watch how $BTC, $ETH and $SOL respond. If equities strengthen while crypto confirms the move, the signal becomes far more meaningful. If NVIDIA rallies but crypto fails to follow, that divergence deserves attention.
The AI trade is entering another reality check.
Trade the information, not the excitement.
$NVDA  ‌ $BTC  ‌ $ETH  ‌ $SOL  ‌ $NVDAG  ‌
SoominStar
27/08/2026 03:21
#NVIDIAEarnings | $NVDA — THE AI TEST THAT COULD MOVE CRYPTO NEXT NVIDIA’s earnings are no longer just a semiconductor event. They have become one of the clearest real-time tests of whether the AI investment cycle still has enough strength to support elevated risk appetite across global markets. That makes this earnings window especially important for both tech and crypto traders. The key question is not simply whether NVIDIA beats estimates. The bigger question is whether management can reinforce the AI spending narrative through data-center growth, demand visibility, margins and forward guidance. A strong headline beat without convincing guidance could still disappoint the market, while resilient forward demand could keep capital flowing toward high-beta assets. The cross-market connection matters. When investors reduce equity risk ahead of major earnings, liquidity can temporarily move toward cash and stablecoins. When confidence returns, that liquidity can rotate back into equities and crypto. In that environment, $BTC and $ETH become useful sentiment indicators, while higher-beta assets such as $SOL can react even more aggressively to changes in risk appetite. There is also an interesting second layer through Gate’s NVIDIA-focused campaign. Rewards connected with $NVDAG, NVIDIA exposure, GPUs and other promotional mechanics can attract additional attention around the event, while yield opportunities may give traders another way to deploy capital during periods of uncertainty. But promotional APYs should never be treated as guaranteed portfolio returns. Investors need to check caps, duration, eligibility, pool conditions and the actual effective rate before committing funds. The same discipline applies to $NVDAG. Tokenized equity exposure can reduce the friction between traditional markets and crypto-native portfolios, but liquidity, spreads, market hours, product structure and jurisdictional restrictions still matter. A token representing equity exposure should not automatically be treated as identical to holding the underlying stock. From a trading perspective, I would focus on the reaction rather than predicting the headline. Bull case: NVIDIA delivers strong numbers and raises confidence in future AI infrastructure spending. Risk appetite expands, tech momentum strengthens and crypto could receive a secondary liquidity boost. Neutral case: Results beat expectations but guidance remains cautious. Volatility could remain elevated as traders debate whether the AI growth premium is already priced in. Bear case: Demand expectations weaken or guidance disappoints. A sharp tech repricing could pressure crypto through broader risk-off flows. The biggest mistake would be chasing volatility simply because NVIDIA is in the spotlight. Blind-box rewards are bonuses, not an investment thesis. High APY is not free money. And a strong earnings narrative does not eliminate downside risk. For me, the real trade is the liquidity signal. Watch NVIDIA’s guidance, then watch how $BTC, $ETH and $SOL respond. If equities strengthen while crypto confirms the move, the signal becomes far more meaningful. If NVIDIA rallies but crypto fails to follow, that divergence deserves attention. The AI trade is entering another reality check. Trade the information, not the excitement. $NVDA ‌ $BTC ‌ $ETH ‌ $SOL ‌ $NVDAG ‌
NVIDIA
+4,34%
BTC
-0,08%
ETH
+1,18%
SOL
+4,55%
NVDAG
+3,21%
To state the conclusion first: Bitcoin may experience slow growth amid high volatility over the long term.
First, Bitcoin cannot become true gold. Historically, BTC has been far more volatile than gold, and since the US is currently the center of BTC, overall holdings are extremely high (retail investors + institutions + exchanges). Therefore, other countries are unlikely to regard it as equivalent to gold.
However, the entire cryptocurrency ecosystem has indeed brought enormous benefits to the US. Merely by issuing stablecoins, it can absorb hundreds of billions, and eventually trillions, of dollars’ worth of US short-term Treasury debt. Moreover, these U’s are rarely redeemed for dollars. In practice, the US pays short-term interest while taking on long-term or even perpetual debt—an extremely profitable deal. Therefore, the US will certainly make considerable efforts to expand the scale of stablecoins, but their current uses are very limited. They are mainly used for crypto speculation. As a result, only by continuously increasing BTC’s price can it maintain people’s long-term interest in the crypto market. If BTC loses its wealth-creation potential, the scale of stablecoins will naturally decline. Of course, besides conventional cryptocurrencies, RWA in recent years has also helped expand the scale of stablecoins and can boost liquidity in US stocks.
However, although BTC should rise steadily over the long term, its volatility is destined to be extremely high. Assuming BTC rose steadily with low volatility, it would pose a major challenge to dollar hegemony. Just imagine how attractive a currency would be if it were as stable as gold while also allowing instant global transfers anywhere—who would still use the dollar? Therefore, BTC’s volatility must be so high that it cannot possibly be regarded or used as a currency. In addition, there is another benefit: the highly leveraged, highly volatile crypto market is extremely conducive to extracting capital. In the past, traditional Wall Street’s processes for extracting wealth overseas involved many restrictions, were time-consuming and labor-intensive, and took a long time. Now, with a few mouse clicks and some tweets, it is easy to extract wealth once every few months (as a supplement to, rather than a replacement for, traditional methods).
This is merely a starting point for discussion; differing views are welcome.
GateUser-db0375fc
27/08/2026 03:16
To state the conclusion first: Bitcoin may experience slow growth amid high volatility over the long term. First, Bitcoin cannot become true gold. Historically, BTC has been far more volatile than gold, and since the US is currently the center of BTC, overall holdings are extremely high (retail investors + institutions + exchanges). Therefore, other countries are unlikely to regard it as equivalent to gold. However, the entire cryptocurrency ecosystem has indeed brought enormous benefits to the US. Merely by issuing stablecoins, it can absorb hundreds of billions, and eventually trillions, of dollars’ worth of US short-term Treasury debt. Moreover, these U’s are rarely redeemed for dollars. In practice, the US pays short-term interest while taking on long-term or even perpetual debt—an extremely profitable deal. Therefore, the US will certainly make considerable efforts to expand the scale of stablecoins, but their current uses are very limited. They are mainly used for crypto speculation. As a result, only by continuously increasing BTC’s price can it maintain people’s long-term interest in the crypto market. If BTC loses its wealth-creation potential, the scale of stablecoins will naturally decline. Of course, besides conventional cryptocurrencies, RWA in recent years has also helped expand the scale of stablecoins and can boost liquidity in US stocks. However, although BTC should rise steadily over the long term, its volatility is destined to be extremely high. Assuming BTC rose steadily with low volatility, it would pose a major challenge to dollar hegemony. Just imagine how attractive a currency would be if it were as stable as gold while also allowing instant global transfers anywhere—who would still use the dollar? Therefore, BTC’s volatility must be so high that it cannot possibly be regarded or used as a currency. In addition, there is another benefit: the highly leveraged, highly volatile crypto market is extremely conducive to extracting capital. In the past, traditional Wall Street’s processes for extracting wealth overseas involved many restrictions, were time-consuming and labor-intensive, and took a long time. Now, with a few mouse clicks and some tweets, it is easy to extract wealth once every few months (as a supplement to, rather than a replacement for, traditional methods). This is merely a starting point for discussion; differing views are welcome.
BTC
-0,08%
RWA
-0,99%
Mais postagens sobre BTC

Perguntas frequentes sobre a compra de Bitcoin(BTC)

As respostas das perguntas frequentes são geradas por IA e são fornecidas apenas para referência. Avalie o conteúdo cuidadosamente.
Onde é o lugar mais seguro para comprar Bitcoin (BTC)?
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Como posso comprar Bitcoin (BTC) com segurança na Gate.com?
x
Como comprar Bitcoin (BTC) para iniciantes?
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Posso comprar Bitcoin (BTC) por US$ 100?
x
O Bitcoin (BTC) é 100% seguro?
x