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I read What are the minimum sizes for transactions and blocks in Bitcoin? that there is no min limit - just a max limit of 128MB - for a block.

For example if a miner always takes a single transaction and creates a block from it, he probably will be faster as most other nodes and will gain most taxes or not?

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I read on SO that there is no min limit - just a max limit of 128MB - for a block.

Bitcoin blocks have a max weight unit of 4MB, not 128 MB. Blocks that large (128MB) would lead to extreme network centralization due to a need for high-end hardware to run a validating node... but anyways.

For example if a miner always takes a single transaction and creates a block from it, he probably will be faster as most other nodes and will gain most taxes or not?

No, the number of transactions in a block has no bearing on how fast the block is mined. Putting more transactions in a block does mean that the merkle root computation will take a little bit longer, but this calculation is done in parallel by the miner's bitcoin node, not by the mining hardware itself. So a miner does not have any advantage/disadvantage in mining a large/small block.

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  • I put the link in the question, is it wrong or do i not understand it correctly? Commented Feb 10, 2019 at 22:05
  • The question you linked is correct, but I don't see how it conflicts with what I wrote? Commented Feb 10, 2019 at 22:09
  • oh ok, then i probably have another problem. Thank you Commented Feb 10, 2019 at 22:11
  • There isn't a direct advantage in mining a larger block, but the miner will generally collect more fees if they include more transactions. So miners are generally incentivized to make larger blocks, rather than smaller. Commented Feb 11, 2019 at 18:52

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