How many block confirmations does Ethereum require for a transaction?

5 answers

• KO KFeb 18, 2023 · 2 years ago
  In order for a transaction on the Ethereum blockchain to be considered final and secure, it typically requires a certain number of block confirmations. Block confirmations refer to the number of blocks that have been added to the blockchain after the block containing the transaction. The more confirmations a transaction has, the more secure it becomes, as it becomes increasingly difficult for the transaction to be reversed or altered. The exact number of confirmations required can vary depending on the specific use case or application, but generally, it is recommended to wait for at least 12 confirmations for a transaction to be considered secure.
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• SchadenfreudeJun 27, 2023 · 2 years ago
  When it comes to block confirmations for Ethereum transactions, it's all about ensuring the security and immutability of the blockchain. The number of confirmations required can vary depending on the level of security needed. For most regular transactions, a minimum of 12 confirmations is considered sufficient. However, for high-value transactions or applications that require a higher level of security, it is advisable to wait for more confirmations. This is because each confirmation adds another layer of security, making it increasingly difficult for any malicious activity to alter the transaction.
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• jonihvdJun 18, 2025 · 4 days ago
  As an expert in the field, I can tell you that Ethereum generally requires 12 block confirmations for a transaction to be considered final and secure. This means that after the block containing the transaction is added to the blockchain, you should wait for 12 more blocks to be added before considering the transaction as fully confirmed. This waiting period ensures that the transaction is unlikely to be reversed or altered, providing a high level of security. However, it's worth noting that some applications or exchanges may require more confirmations for additional security measures.
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• urpinboyMay 17, 2021 · 4 years ago
  When it comes to the number of block confirmations required by Ethereum for a transaction, it's important to understand that it can vary depending on the specific use case or application. However, a common recommendation is to wait for at least 12 confirmations before considering a transaction as secure. This waiting period allows for sufficient time for the network to reach consensus and for the transaction to be validated by multiple nodes. By waiting for a higher number of confirmations, you can ensure a higher level of security and reduce the risk of any potential blockchain reorganizations or double-spending attacks.
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• RocokoJul 28, 2021 · 4 years ago
  At BYDFi, we recommend waiting for a minimum of 12 block confirmations for Ethereum transactions to be considered secure. This waiting period allows for sufficient time for the transaction to be validated by the network and reduces the risk of any potential blockchain reorganizations. While 12 confirmations are generally considered sufficient for most transactions, it's important to note that some applications or exchanges may require more confirmations for additional security measures. Always check the specific requirements of the platform or application you are using to ensure the appropriate level of security for your transactions.
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