What is the significance of the number of confirmations in a blockchain transaction?

3 answers

• Alicia HuntSep 28, 2024 · 10 months ago
  The number of confirmations in a blockchain transaction refers to the number of blocks that have been added to the blockchain after the block containing the transaction. Each confirmation increases the security and reliability of the transaction. As more blocks are added to the blockchain, it becomes increasingly difficult for an attacker to reverse the transaction or tamper with the transaction data. Therefore, a higher number of confirmations indicates a higher level of trust in the transaction. It is recommended to wait for a certain number of confirmations, typically 6 confirmations for Bitcoin, before considering a transaction as fully confirmed and secure.
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• Thành Kha NguyễnNov 12, 2022 · 3 years ago
  Think of confirmations as the number of approvals a transaction receives from the network. Each confirmation represents a block being added to the blockchain, which verifies and validates the transaction. The more confirmations a transaction has, the more secure and reliable it becomes. This is because each confirmation adds another layer of protection against potential attacks or attempts to reverse the transaction. So, the significance of the number of confirmations lies in the increased trust and confidence it provides for the transaction.
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• James KorecApr 09, 2025 · 3 months ago
  The number of confirmations in a blockchain transaction is crucial for ensuring the security and reliability of the transaction. When a transaction is included in a block, it is considered as having 1 confirmation. As more blocks are added to the blockchain, the number of confirmations increases. Each confirmation adds an additional layer of security, making it increasingly difficult for the transaction to be reversed or tampered with. The recommended number of confirmations varies depending on the cryptocurrency and the level of security required. For example, Bitcoin typically requires 6 confirmations for a transaction to be considered fully secure. It's important to wait for a sufficient number of confirmations before considering a transaction as finalized and trustworthy.
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