Who is a miner?

A) An algorithm that predicts the next part of the chain.

B) Computers that validate and process blockchain transactions.

C ) A type of blockchain.

one method is to click on the icon.

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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