How to estimate gas for a transaction?
I need to know how to estimate the gas required for a transaction. I want to understand the process of calculating or estimating the gas needed to complete a transaction on the blockchain.
How is a bitcoin transaction verified?
I want to understand the process of Bitcoin transaction verification. How does the system ensure the validity and security of each transaction? What are the steps and technologies involved in this process?
Why is my bitcoin transaction unconfirmed?
I made a Bitcoin transaction a while ago, but it's still unconfirmed. I'm wondering why it's taking so long. Is there something wrong with the network or did I do something incorrectly?
How do I recover a lost Bitcoin transaction?
I made a Bitcoin transaction but accidentally lost the details. I'm not sure how to retrieve it. Is there a way to recover a lost Bitcoin transaction? I need help with this issue.
How do I recall a Bitcoin transaction?
I accidentally sent Bitcoin to the wrong address, and I'm wondering if there's a way to recall or reverse the transaction. I've heard that Bitcoin transactions are irreversible, but I'm hoping there might be some sort of exception or workaround.