If no miners are mining Bitcoin, the network would stop adding new blocks to the blockchain and new transactions would not be processed. This would essentially halt the entire Bitcoin network, as transactions would not be confirmed and new bitcoins would not be created.
However, the existing bitcoins and the blockchain history would still exist. If mining were to resume at a later point, the network would begin adding new blocks to the blockchain again, and the network would continue to function as normal.
It’s worth noting that, Bitcoin mining is a competitive process, and miners are incentivized to participate in the network by receiving newly minted bitcoins as rewards for their efforts. As long as there is a demand for Bitcoin and the rewards outweigh the costs, miners will continue to participate in the network.
In addition, the difficulty of mining adjusts with the number of miners, so if the number of miners decreases, the difficulty will decrease, making it easier for the remaining miners to continue mining.
So, it is unlikely that no miners will be mining Bitcoin, as long as the network and the rewards exist, miners will be incentivized to participate.