Documentation

Emission for Parent/Child Hotkeys

Parent hotkeys are validators that do not run infrastructure in a subnet. They use their stake as a parent hotkey to a validator running infrastructure (the child hotkey).

Parent hotkeys have all of the same abilities of child hotkeys.

  • Delegators may stake on a parent hotkey inside a subnet.
  • Root delegators will receive root tao emission from subnets where parent hotkeys exist.

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How we got here:

Subnet Emission tao and alpha

Distribution of alpha_out to participants

Emissions for Validators

Calculating emissions for Parent/Child hotkeys

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Example

Taostats is the validator

There are two parent hotkeys:


The validator running the child hotkey (running the validation infrastructure) can impose a child hotkey take on any validator running a parent hotkey.

Step 1: Find the tao and alpha staked to the hotkey

First, we determine the amout of tao and alpha each validator has on this hotkey:

  • Taostats has 8/9 of its stake
  • parent_1 has 50% of its stake on this hotkey
  • parent_2 has 100%.

Step 2: Determine the total stake of each validator

Step 3: find the Percentage of total stake, and apply to the dividends.

The 0..15 dividends is split based on the % of total stake for each validator


Step 4: Find the Child hotkey take

Taostats has a 4.5% child hotkey take.

Remove 4.5% of the dividends from each parent, and apply it to taostats.

0.000102 and 0.003372 are taken from parent_1 and parent_2, and added to taostats' final dividends.

Step 5: Repeat this math for all child hotkeys.

Taostats has 1/9 of its stake on another validator.

Parent_1 has 50% of its stake on other validators.

Sum these dividends for all hotkeys in a subnet to get the final dividends for a validator on a subnet.

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Child Hotkey Take

Note that the child hotkey take collected by the child hotkey is added to the dividends of the validator.

This means that most of the child hotkey take is distributed to the stakeholders of the validator, and it is not directly deposited to the vlidator's wallet.

Next Steps:

The remaining dividends are then divided amongst stakeholders.