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Title: Same transaction different fees [solved] Post by: user21 on February 28, 2021, 06:11:51 PM Hello everyone,
I have two electrum legacy wallets with 2FA. Could someone please tell me why when I am going to send the same amount of btc from each of them, at exactly the same time and to the same destination wallet, the fees are so different? I put the simulation of fees of the two: https://ibb.co/9ZPfJLP https://ibb.co/M9yzpgG I have already simulated it on different days and times and the same thing always happens to me. One note, neither wallet is charging me the 2FA fee for 20 transactions. I still have 10 paid. thanks Title: Re: Same transaction different fees Post by: Rath_ on February 28, 2021, 06:14:32 PM One note, neither wallet is charging me the 2FA fee for 20 transactions. I still have 10 paid. One of your wallets must be trying to combine many small inputs in order to match your output's value. The more inputs you have, the more your transaction weights and the higher fee you have to pay. This article (https://learnmeabitcoin.com/beginners/outputs) might help you to understand it more easily. Title: Re: Same transaction different fees Post by: NeuroticFish on February 28, 2021, 06:27:21 PM why when I am going to send the same amount of btc from each of them, at exactly the same time and to the same destination wallet, the fees are so different? Good test. You pay the same number of satoshi/vbyte. Those vbytes are related to the size of the transaction. Not amount of money, instead the number of bytes of the transaction. It depends on the number of inputs (number of times you received that money you want to spend), number of outputs (number of addresses you send to) and also address type. As an analogy, if you want to spend 5000$ made of 100$ bills is not difficult at all, but if you want to spend 5000$ made of 1 cent coins, you'll have to also pay for the truck that'll carry them. Title: Re: Same transaction different fees [solved] Post by: user21 on February 28, 2021, 06:42:35 PM One note, neither wallet is charging me the 2FA fee for 20 transactions. I still have 10 paid. One of your wallets must be trying to combine many small inputs in order to match your output's value. The more inputs you have, the more your transaction weights and the higher fee you have to pay. This article (https://learnmeabitcoin.com/beginners/outputs) might help you to understand it more easily. why when I am going to send the same amount of btc from each of them, at exactly the same time and to the same destination wallet, the fees are so different? Good test. You pay the same number of satoshi/vbyte. Those vbytes are related to the size of the transaction. Not amount of money, instead the number of bytes of the transaction. It depends on the number of inputs (number of times you received that money you want to spend), number of outputs (number of addresses you send to) and also address type. As an analogy, if you want to spend 5000$ made of 100$ bills is not difficult at all, but if you want to spend 5000$ made of 1 cent coins, you'll have to also pay for the truck that'll carry them. Excellent explanation on the part of both. I have understood it now, by clicking on "advanced" I have been able to see the difference between the number of inputs and outputs of one operation and another. They have helped me a lot, thank you! :D |