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Bitcoin Core has locks in place that will stop multiple calls to build a transaction to be executed in parallel. Instead, they will be executed sequentially, as the lock gets relinquished by the previous call. So, the other thing that comes to mind is that there are limits to the ancestry set of transactions that may be submitted to the mempool at the same ...


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Exchanges set their own fees because they are the custodian of your funds. They could charge you more or less than the network actually costs. Some exchanges charge a higher fee in order to ensure your transaction has priority over others that are trying to send coins at the same time. Some exchanges may charge you more than the network fee and pocket the ...


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For the purpose of mining transaction selection Bitcoin Core converts sigops into an effective weight value based on the ratio of the limits. If the weighed implied by the sigops count is higher than the true weight, the higher value is used for fee handling calculations. On any kind of remotely sane transaction this has essentially no effect, but eliminates ...


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What exactly is the transaction fee? The fee of finding a block? The fee of transferring the btc reward to another account? Transaction fee is a method by which anyone who creates a transaction incentivizes the miners to include that transaction in the block that the miner will mine. Bitcoin blocks can have a maximum 4MB of block weight, which means there ...


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