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If the nonce is 32 bits why the proof of it is difficult?


What is the extraNonce?How to exploit the possibilites of blockchain for proof of authorship?Why check for multiple nonces despite finding a golden nonce?Why the nonce is difficult to find in Bitcoin?Block Hash and Nonce generated by GenesisH0 python script is incorrectWhy miners solve a puzzle in proof of workIn Math or Python notation - How to convert bits to difficulty?Why we need mining?Post Bitcoin mine reward: Lowering Difficulty an Option?






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








1















I want to know why mining of nonce is difficult?



The nonce is 32 bits (4294967296) and a high level Nvidia graphic card can check and mine it in a second.



why do we need a pool to mine a blockchain?










share|improve this question






























    1















    I want to know why mining of nonce is difficult?



    The nonce is 32 bits (4294967296) and a high level Nvidia graphic card can check and mine it in a second.



    why do we need a pool to mine a blockchain?










    share|improve this question


























      1












      1








      1








      I want to know why mining of nonce is difficult?



      The nonce is 32 bits (4294967296) and a high level Nvidia graphic card can check and mine it in a second.



      why do we need a pool to mine a blockchain?










      share|improve this question














      I want to know why mining of nonce is difficult?



      The nonce is 32 bits (4294967296) and a high level Nvidia graphic card can check and mine it in a second.



      why do we need a pool to mine a blockchain?







      blockchain blockchain.info ethereum






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Apr 15 at 1:21









      M.BinsonekM.Binsonek

      82 bronze badges




      82 bronze badges























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          The vast majority of the time, none of the 2^32 possible nonces in a particular block header template will result in the header having a hash that meets the proof-of-work target. In fact, the probability that this doesn't happen equals exactly 1 over the network difficulty. Right now, that is 1/6,379,265,451,411.



          When no nonce succeeds, one must change something else in the block header and start again. The typical solution is to change the extranonce field in the coinbase transaction and recompute the Merkle root. See What is the extraNonce?






          share|improve this answer



























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            1 Answer
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            active

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            The vast majority of the time, none of the 2^32 possible nonces in a particular block header template will result in the header having a hash that meets the proof-of-work target. In fact, the probability that this doesn't happen equals exactly 1 over the network difficulty. Right now, that is 1/6,379,265,451,411.



            When no nonce succeeds, one must change something else in the block header and start again. The typical solution is to change the extranonce field in the coinbase transaction and recompute the Merkle root. See What is the extraNonce?






            share|improve this answer





























              6
















              The vast majority of the time, none of the 2^32 possible nonces in a particular block header template will result in the header having a hash that meets the proof-of-work target. In fact, the probability that this doesn't happen equals exactly 1 over the network difficulty. Right now, that is 1/6,379,265,451,411.



              When no nonce succeeds, one must change something else in the block header and start again. The typical solution is to change the extranonce field in the coinbase transaction and recompute the Merkle root. See What is the extraNonce?






              share|improve this answer



























                6














                6










                6









                The vast majority of the time, none of the 2^32 possible nonces in a particular block header template will result in the header having a hash that meets the proof-of-work target. In fact, the probability that this doesn't happen equals exactly 1 over the network difficulty. Right now, that is 1/6,379,265,451,411.



                When no nonce succeeds, one must change something else in the block header and start again. The typical solution is to change the extranonce field in the coinbase transaction and recompute the Merkle root. See What is the extraNonce?






                share|improve this answer













                The vast majority of the time, none of the 2^32 possible nonces in a particular block header template will result in the header having a hash that meets the proof-of-work target. In fact, the probability that this doesn't happen equals exactly 1 over the network difficulty. Right now, that is 1/6,379,265,451,411.



                When no nonce succeeds, one must change something else in the block header and start again. The typical solution is to change the extranonce field in the coinbase transaction and recompute the Merkle root. See What is the extraNonce?







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Apr 15 at 2:13









                Nate EldredgeNate Eldredge

                20.8k3 gold badges31 silver badges71 bronze badges




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