blockchain – How is the Max Goal of a Genesis Block Determined?


I have been diving into the world of Blockchain and crypto these days, making an attempt to construct my understanding of mining particularly. I perceive that in POW methods, the issue of the primary block is 1, and the present issue might be seen as being “present issue multiples tougher than the primary block” to mine (aka it scales linearly).

What I have been having a tough time determining, although, is how the designers of POW methods settled on the utmost goal for his or her first blocks. To cite one other stackoverflow reply:

Satoshi determined to make use of 0x1d00ffff as an issue for the genesis block, so the goal was 0x00ffff0000000000000000000000000000000000000000000000000000.

This leaves me with a couple of questions:

  1. Is there a motive to why Satoshi picked this quantity particularly?
  2. How does this relate to different cryptos?
  3. Is the max goal pretty arbitrary as long as the designer is cautious to not decide a max goal that is too low?
  4. (3b) If that’s the case, does the max goal not matter in the identical approach after the primary re-target (i.e., after the primary 2016 blocks in bitcoin’s case)?

My reasoning for asking this query is as a result of after I have a look at the issue charts for cryptocurrencies, I have been curious in the event that they’re relatable to one-another, that’s, in the event you might motive that as a result of BTC has an issue of X and LTC has an issue of Y, you possibly can decide which to mine primarily based on issue and block reward alone.

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