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Bitcoin vs Ethereum: Qual é o melhor?

Updated September 2026 Layer 1 Comparison

Bitcoin vs Ethereum em um relance

Recurso

BTC

ETH

Mecanismo de Consenso

Prova de Trabalho (SHA-256)

Proof of Stake (since September 2022)

Transações por Segundo

About 7 TPS on-chain

About 15 to 30 TPS on L1; far more on Layer 2s

Transaction Fee

Variable, set by demand for block space

Variable, set by gas demand; much lower on Layer 2s

Contratos Inteligentes

Limitado (linguagem de script)

Full (Solidity, Vyper, EVM)

Oferta Máxima

21 milhões de BTC

No hard cap; part of fees burned (EIP-1559)

Ano de Lançamento

2009

2015

Caso de Uso Principal

Reserva de valor, ouro digital

Plataforma DeFi, NFTs, dApps

Consumo de Energia

Alto (mineração PoW)

Low (about 99.95% lower after The Merge, per ethereum.org)

Tempo de Bloco

About 10 minutes

About 12 seconds

O que é Bitcoin?

Bitcoin is the first cryptocurrency, created in 2009 by the pseudonymous Satoshi Nakamoto, and the largest by market capitalization (live ranking on CoinGecko). It introduced the blockchain and is used mainly as a store of value and a peer-to-peer payment network. Bitcoin uses Proof of Work consensus and has a fixed supply cap of 21 million coins.

Código: BTC Desde 2009

O que é Ethereum?

Ethereum is an open-source blockchain with smart contract support, launched in 2015 by Vitalik Buterin and co-founders. It is the base layer for most of DeFi and NFTs. Since The Merge in September 2022, Ethereum runs on Proof of Stake. It has no fixed supply cap, but EIP-1559 burns part of every transaction fee.

Código: ETH Desde 2015

Principais Diferenças

Bitcoin is designed as a decentralized store of value and payment network. Ethereum is a programmable platform for smart contracts, DeFi and dApps.

Bitcoin uses energy-intensive Proof of Work mining. Ethereum moved to Proof of Stake in September 2022, cutting its energy use by about 99.95% according to ethereum.org.

Bitcoin has a fixed supply of 21 million coins. Ethereum has no hard cap but burns part of every transaction fee, so its supply can shrink when the network is busy.

Ethereum confirms blocks about every 12 seconds, against roughly 10 minutes for Bitcoin.

Bitcoin's scripting language is deliberately limited for security. Ethereum's EVM runs general-purpose smart contracts, which enables complex applications.

Qual Você Deve Escolher?

Bitcoin and Ethereum serve different purposes and are often held together rather than as competitors. Bitcoin is mainly held as a scarce store of value: fixed supply and the longest track record in crypto. Ethereum is the settlement layer for most of DeFi and Web3, offering programmability that Bitcoin deliberately avoids. Many investors hold both as part of a diversified crypto portfolio.

Perguntas Frequentes

O Bitcoin é melhor que o Ethereum?

Nenhum é objetivamente melhor; eles servem a propósitos diferentes. O Bitcoin é principalmente um reserva de valor e ouro digital, enquanto o Ethereum é uma plataforma para aplicações descentralizadas e contratos inteligentes. A escolha melhor depende de você valorizar escassez e simplicidade (Bitcoin) ou programabilidade e amplitude do ecossistema (Ethereum).

O Ethereum pode ultrapassar o Bitcoin em capitalização de mercado?

This scenario, known as "the flippening," has been debated for years. Ethereum has a much larger ecosystem of dApps and DeFi protocols, but Bitcoin has kept a clear lead in market capitalization and is widely viewed as the main crypto store of value. As of September 2026, Bitcoin holds the number one position by market cap; check CoinGecko for the live ranking.

Por que o Ethereum mudou para Proof of Stake?

Ethereum moved to Proof of Stake with "The Merge" in September 2022 to cut energy consumption by about 99.95%, let ETH holders secure the network by staking, and prepare the ground for later scaling upgrades such as data blobs (EIP-4844) and danksharding.

Qual tem taxas de transação mais baixas, BTC ou ETH?

Both networks have variable fees that depend on congestion. On-chain, fees on either chain can range from well under a dollar in quiet periods to tens of dollars at peak demand. Ethereum Layer 2 networks such as Arbitrum and Base process transactions for a few cents or less, while Bitcoin has the Lightning Network for cheap off-chain payments.

Devo investir em Bitcoin ou Ethereum?

This is not financial advice. Many investors hold both because they play different roles. Bitcoin is often viewed as a macro asset similar to digital gold, while Ethereum offers exposure to the growth of DeFi, NFTs and Web3. Consider your risk tolerance and investment goals, and do your own research before investing.

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Fontes e leitura adicional

Os números e as afirmações nesta página baseiam-se nos documentos abaixo. Os números sensíveis ao tempo (taxas, rendimentos, comissões, dados de mercado) mudam: verifique o valor atual na fonte antes de agir com base nele.

Bitcoin, official website and documentationbitcoin.org
Primary reference for the Bitcoin design, features and figures quoted in the table.
Ethereum, official website and documentationethereum.org
Primary reference for the Ethereum design, features and figures quoted in the table.
CoinGeckocoingecko.com
Live prices, 24-hour change and market capitalization for BTC and ETH shown at the top of this page.
DefiLlamadefillama.com
Valor total bloqueado (TVL) e rankings de volume em tempo real referidos na comparação.

Última revisão: setembro de 2026. Os links externos abrem em uma nova aba; a Coinstancy não é responsável pelo seu conteúdo.