nonce – How will mining work after 2140?

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The nonce header of a block has 32 bits. The overwhelming majority of the time, not one of the 2^32 nonces will lead to a block hash beneath the goal. So to proceed mining, miners normally change the extraNonce within the coinbase transaction. However what is going to occur as soon as all of the bitcoins have been mined and there’s no coinbase transaction anymore? I do know this may solely occur in 2140, however have we considered a technique to change the nonce vary when it is going to be the case?

Thanks to your assist.



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