transaction broadcasts, declining node count, mining basics and costs.
transaction broadcasts, declining node count, mining basics and costs.
I read a lot about bitcoins and mining and nodes but there are a few questions that are still not answered, which are the following:
- As I read when a transaction is broadcasted, at first it gets confirmed by active nodes and later goes to mempool and miners pick the ones with higher fees. So the question is, when I make a transaction on a website how can I make sure that the website is broadcasting my transaction? Maybe the site is holding it because it has high fee so that he can include it in his own block?
- I noticed that nodes are becoming fewer every day , does this mean when they become less the security of bitcoin or its value will decrease ?
- In order to become a miner, do you have to be a node too?
- Btc.com has a crazy fast hash rate. Is it even worth to get into mining?
- Say I want to become a miner with a chance of solving at least one block in a month, approximately how much should I invest? And should I buy cloud space or mine on my own?
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