✨It is estimated to cost more than $13 billion to gain 51% of the total computational power of the Bitcoin network. This is the first difficulty to face if you want to attack the system.
✨Since every miner runs a copy of a BTC reward software, good miners can recognize the unusually long blockchain when more copy transactions are added to the blockchain to increase the number of BTC rewards for profit. This makes the unusually long blockchain become a fork that is not verified by good miners.
✨If there is another existing blockchain branch (fork), the block height recorded will be higher than the block height shown in the last block. Based on this, the BTC network can identify and then isolate this fork in case most bad miners together verify the fork to profiteer the network.
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