Earning Less than the default PRV reward for one Epoch

At this moment (2020), default earnings for 1 Epoch are 10.9 PRV. Most of the time you will see this amount added to your Node earnings after a period of earning. However, it is possible you earn a little less.

The short answer

Not every shard produces the same number of blocks, every Epoch.

The long answer

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Let T  be the total reward (PRV) and transaction fee (PRV, pETH, pBTC…) earned by all shards.
Let Ri  be block_reward + transaction fee earned by shard i.
Let s  be the number of shards.

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Rewards

The reward of a beacon = 2 * reward of a single shard
Let x be the reward percentage of Incognito DAO at the current year

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The reward of the beacon/shard is split to each validator equally at the beginning of the next Epoch. Slashing will be applied in the future version. Epoch length is 350 blocks ~ 4 hours. The shard’s epoch is synced with the epoch of the beacon chain. Thus, a shard epoch may be shorter or longer than 350 blocks.

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