You may want to look into local regulations where you live, but for now, bitcoin mining is legal in the U.S. and most other countries .
Read moreHow do miners solve a block?
To solve a block, miners modify non-transaction data in the current block such that their hash result begins with a certain number (according to the current Difficulty, covered below) of zeroes . If you manually modify the string until you get a 0… result, you’ll soon see why this is considered “Proof of Work!”
Read moreWhat is block mining?
Mining involves Blockchain miners who add bitcoin transaction data to Bitcoin’s global public ledger of past transactions . In the ledgers, blocks are secured by Blockchain miners and are connected to each other forming a chain.
Read more