If I send some bitcoins to some address, and I pay the proper fees, how sure am I that it will be included in the next block? Are there any guarantees if I want my payment to be included in the next block that is mined?
Actually just pay recommend fees you can get your transaction sent less than 10minutes. Guaranteed
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is there no limit to the number of transactions in a block? what if everybody pays recommended fees? so some will still not make it? am i right?
there is a limit to that. more transaction means more size, and the block size are limited to 1mb
aren't they gonna increase the limit in the near future with an hard fork, i remember 30 mb, i'm right?