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March 27, 2014, 09:11:09 PM |
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In order to "solve a block", the miner has to generate a hash that is less than a certain value. The value is determined by the difficulty. The higher the difficulty, the lower the hash value must be. The formula for Bitcoin is in the link above. I assume most coins work the same way.
In order to measure the number of hashes a miner generates, a pool implements a similar system but they use a lower difficulty value. In your example, "12.2k" is the difficulty corresponding to the hash value that you generated. "256" is the minimum difficulty required to be awarded shares. If you generate a hash that is greater than the value corresponding to a difficulty of 256, then you get 256 shares of the next block reward that the pool receives.
If you generate a hash that is less than the value corresponding to a difficulty of 1000, you have solved the block for your pool.
The "best share" is the difficulty value corresponding to the lowest hash value you have generated so far. It doesn't really tell you anything, except that if it is greater than the pool's difficulty then you have received some shares, and if it is greater than the coin's difficulty, then you have solved a block.
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