Principais perguntas e respostas de entrevista e testes online
Plataforma educacional para preparacao de entrevistas, testes online, tutoriais e pratica ao vivo

Desenvolva habilidades com trilhas de aprendizado focadas, simulados e conteudo pronto para entrevistas.

WithoutBook reune perguntas de entrevista por assunto, testes praticos online, tutoriais e guias comparativos em um unico espaco de aprendizado responsivo.

Preparar entrevista

Bitcoin perguntas e respostas de entrevista

Pergunta 11. What is the significance of the 21 million supply limit in Bitcoin?

Bitcoin has a maximum supply of 21 million coins, which is hardcoded into its protocol. This scarcity is designed to mimic the scarcity of precious metals like gold and is intended to control inflation.

Isto e util? Adicionar comentario Ver comentarios
 

Pergunta 12. Explain the term 'Segregated Witness' (SegWit) in the context of Bitcoin.

Segregated Witness is a protocol upgrade that separates transaction signatures from the transaction data, increasing the block size limit and addressing certain scalability issues in the Bitcoin network.

Isto e util? Adicionar comentario Ver comentarios
 

Pergunta 13. What is a double-spending problem, and how does Bitcoin solve it?

Double-spending is the risk of a digital currency being spent more than once. Bitcoin solves this problem by using a decentralized network and a consensus mechanism based on proof-of-work to validate and confirm transactions.

Isto e util? Adicionar comentario Ver comentarios
 

Pergunta 14. Explain the role of confirmations in Bitcoin transactions.

Confirmations refer to the number of blocks added to the blockchain after a transaction has been included in a block. More confirmations increase the security and irreversibility of the transaction.

Isto e util? Adicionar comentario Ver comentarios
 

Pergunta 15. What is the role of a mempool in the Bitcoin network?

The mempool is a short-term memory pool of unconfirmed transactions in the Bitcoin network. Miners select transactions from the mempool to include in the next block.

Isto e util? Adicionar comentario Ver comentarios
 

Mais uteis segundo os usuarios:

Copyright © 2026, WithoutBook.