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Good question. I know that any transactions in forked chains that have been orphaned are included as transaction if it hasn't been double spent on the other cha

• RoboTeddy 14y ago
  The mining rewards on the 0.8 branch went poof A mining reward is actually just a special transaction that the miner includes in blocks they find that let them pay themselves out of thin air. So, the mining reward transactions on the 0.8 branch only exist on that branch, since the 0.7 chain had its own reward transactions made out to its own miners. When the network reached consensus on the 0.7 branch, money that miners on 0.8 thought they earned just disappeared (other clients stopped acknowledging their reward bitcoins). Some pool operators lost out too, since they paid people who found blocks on the 0.8 branch.
  • erja 14y ago
    How would a pool operator lose? They would pay out on the 0.8 branch, in bitcoins. Do pool operators pay in real-world currency like USD?
    • RoboTeddy 14y ago
      They do indeed pay in bitcoins. The payment transactions during the fork weren't lost, however-- they were confirmed on both branches of the chain. The only transactions that disappeared were the block reward transactions on 0.8. If pools paid miners using bitcoins from their own mined blocks, this problem would go away-- that's not a bad idea! edit: I asked -- some pool operators apparently already do this. The ones that lost out are the ones that don't.