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Polkadot (DOT)

DOT
Polkadot
#44
DOT

$0,8971

6.19% (24h)

Comprar Polkadot

Capitalização de mercado

$1,52B

Volume 24d

$80,32M

Atualizado em

15:59 UTC

Gráfico de preços

Price data
Date Price (USD)

O que é Polkadot?

Polkadot (DOT) is the native token of the Polkadot network, a protocol designed to enable interoperability between different blockchains. It functions as a layer-0 metaprotocol, providing a foundation for a network of user-created blockchains known as parachains. Launched in 2020, the project was co-founded by Gavin Wood, Robert Habermeier, and Peter Czaban. The network operates on a nominated-proof-of-stake (NPoS) consensus mechanism, which is designed to secure the network and validate transactions efficiently. DOT serves several key functions within its ecosystem, including governance, staking for security and operations, and bonding to connect new parachains.

Como funciona Polkadot?

Polkadot utilizes a nominated-proof-of-stake (NPoS) consensus mechanism to secure its network and validate transactions. This system involves two primary roles: validators, who produce blocks, and nominators, who select trustworthy validators by staking their DOT tokens. The NPoS model is designed to distribute stake evenly among active validators, enhancing network security.

Validators are responsible for maintaining the network by running a node, validating proofs from collators on parachains, and participating in consensus with other validators. Nominators play a passive but crucial role by delegating their staked DOT to support specific validators, signaling their trust in those participants. This delegation process is fundamental to the network's security model and the selection of the active validator set.

The network's architecture consists of a central Relay Chain that coordinates security and communication between various parallel blockchains called parachains. Transactions are processed on these parachains, which then submit proofs to the Relay Chain for finalization. This structure allows for parallel transaction processing, enabling the network to handle multiple operations simultaneously across different chains.

Casos de uso de Polkadot

The Polkadot token (DOT) serves multiple integral functions within its native network, facilitating operations, security, and decentralized control. Its design enables token holders to actively participate in the protocol's evolution and maintenance, ensuring the network remains secure and aligned with its community's direction.

  • Staking: DOT holders can stake their tokens to participate in the network's nominated-proof-of-stake consensus, helping to secure the network and validate transactions.
  • Governance: The token grants holders the ability to participate in on-chain governance, including proposing and voting on network upgrades and protocol changes.
  • Cross-chain interoperability: DOT is used for bonding to connect a new parachain to the Relay Chain, enabling secure communication and data transfer between blockchains.

Polkadot tokenômica

The tokenomics of Polkadot's native token, DOT, are centered on its roles in network security, governance, and parachain auctions. The token has a circulating supply of approximately 1,689,849,731 DOT out of a maximum supply of 2,100,000,000 DOT. The supply is not fixed, as new tokens are issued as rewards for participants in the nominated-proof-of-stake consensus mechanism. These issuance rewards are distributed to validators and nominators for their role in securing the network and validating transactions. A portion of the supply is also used for bonding, a process where tokens are locked to add a new parachain to the network.

Histórico de preços e marcos do Polkadot

Polkadot (DOT) was launched in 2020, introducing its protocol for cross-chain interoperability to the digital asset market. The token's value has experienced significant fluctuations since its inception, which is common for assets in this market. According to historical data, Polkadot reached its all-time high price of $55 on November 4, 2021. Conversely, the token recorded its all-time low price of $0.8926 on June 6, 2026. The price of DOT is influenced by a wide range of factors, including overall market sentiment, developments within its ecosystem, and broader economic conditions. Based on market capitalization, Polkadot holds a rank of 43 among digital currencies.

AVISO LEGAL Os preços apresentados têm caráter meramente informativo e são fornecidos por provedores terceirizados de dados de mercado. A Switchere não oferece consultoria em investimentos, questões tributárias ou jurídicas. Os preços das criptomoedas são voláteis e você pode perder dinheiro. Sempre faça sua própria pesquisa antes de tomar qualquer decisão financeira.

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Perguntas frequentes

  • Qual é o preço atual de Polkadot?

    Às 15:59 2026-06-23, Polkadot (DOT) está sendo negociado a $0,8971. Os preços são atualizados a cada 5 minutos nesta página.
  • A Polkadot é uma boa criptomoeda para comprar no Switchere?

    A Switchere não oferece consultoria de investimentos. Você pode comprar Polkadot na Switchere; a decisão de se essa opção é adequada para você depende de sua própria pesquisa e tolerância ao risco.
  • Who are the founders of Polkadot?

    Polkadot was co-founded by Gavin Wood, Robert Habermeier, and Peter Czaban. Gavin Wood is a notable figure in the blockchain space, also being a co-founder of Ethereum. The project was developed by the Web3 Foundation, a Swiss foundation established to facilitate a fully functional and user-friendly decentralized web, and its initial launch occurred in 2020.
  • What is Polkadot's all-time high price?

    According to available data, the all-time high price for Polkadot (DOT) was $55, which was recorded on November 4, 2021. This figure represents the highest trading price the asset has achieved since its launch. The prices of digital assets are subject to high volatility and can be influenced by many factors, including market trends and project developments.
  • Onde posso comprar Polkadot?

    Você pode comprar Polkadot no Switchere usando uma ampla variedade de formas de pagamento, incluindo cartões de crédito, cartões de débito, Apple Pay, Google Pay, transferências bancárias SEPA e carteiras digitais compatíveis. O processo geralmente é concluído em poucos minutos após a verificação de identidade.
  • Posso comprar Polkadot com cartão de crédito?

    Sim. O Switchere aceita compras de Polkadot com cartões de crédito e débito Visa e Mastercard. Os pagamentos com cartão são protegidos pela autenticação 3D Secure e, normalmente, são creditados na sua carteira Switchere poucos minutos após a aprovação.
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