You need to have access to enough hashpower to solve a block on your own.
This either involves building a HUGE mining farm, or running a mining pool with enough participants.
If you are only a participant in a pool, then you don't get to choose, the pool does.
Topic: Can we choose what to solve/mine (Read 328 times)
as a miner you have access to the same mempool like everyone else (the pool of all the transactions) so you see each one of them. now you can write a simple code to only take from that mempool transactions that you like, for example only transactions that are paying a high fee, or transactions that you yourself made or one of your users sent you. and then include those in the new block you mine.
I've heard about mining and tried it myself.
But how can we target a specific transaction (and make it faster). Like https://bitcointalksearch.org/topic/free-speed-up-btc-unconfirmed-transaction-to-confirmed-from-stepmike-1955028 ?
But how can we target a specific transaction (and make it faster). Like https://bitcointalksearch.org/topic/free-speed-up-btc-unconfirmed-transaction-to-confirmed-from-stepmike-1955028 ?
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