Are Bitcoin Transactions Irreversible?

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Bitcoin transactions are generally considered irreversible once they are confirmed on the blockchain. This is a key feature of the Bitcoin network, designed to prevent fraud and double-spending. When a transaction is broadcast to the network, it is verified by miners and added to a block. After multiple confirmations, it becomes nearly impossible to reverse, as altering the blockchain would require immense computational power. However, there are exceptions, such as in cases of unconfirmed transactions or through consensus mechanisms in rare scenarios. Overall, the irreversibility of Bitcoin transactions enhances security and trust in the system.