Guide

Root Staking on Bittensor (Subnet 0)

Published Oct 13, 2026 · Last verified: October 2026 · Stakao · 8 min read

Short answer

Root staking means staking TAO on subnet 0, the root network, through a root validator. Your TAO goes in and out at 1:1, with no swap fee and no subnet-token price risk on your principal. Your rewards are collected as subnet tokens in the validator’s basket and reach your balance only when you claim them.

What is root staking (subnet 0)?

Subnet 0, the root network, sits at the center of Bittensor. It has no miners and no alpha token. When you stake to root, you delegate TAO to a root validator, who earns dividends from every subnet it validates on (Taostats).

Because root uses only TAO, staking works differently from a normal subnet. There is no pool and no alpha token. Your TAO goes in and out at 1:1, with no swap fee, no price impact and no trade for others to jump ahead of (Bittensor docs). Root TAO also adds to validators’ weight on every subnet, scaled by a network-wide factor.

Root is popular. Bittensor’s July 2026 release notes say nearly half of all TAO sits on root (release notes). If you are new to staking, start with our guide to staking TAO.

How root staking pays

Root stakers earn a share of the dividends that subnets set aside for them. Each subnet passes part of the rewards meant for validators and their stakers to root stakers. That part is called the root proportion, and it shrinks as subnets mature. Taostats calls root the “safe” option for principal, and notes that root’s share of total emissions decreases over time by design.

There is no fixed rate. What you earn depends on which subnets your validator earns on, the validator’s take, and the price of the subnet tokens your rewards are paid in. For recent market rates, see our TAO staking rewards and APY guide.

What is Root Reborn?

Until July 2026, the chain sold root dividends for TAO as they arrived. Runtime v441, which Bittensor’s docs call Root Reborn, changed that:

  • Dividends stay as the subnet tokens they were earned in, and collect in one basket per root validator.
  • You own a share of that basket, counted in beta tokens. The count rises as rewards accrue and falls when you claim, while its value in TAO moves with the holdings.
  • Validators can reshape their basket by trading between subnets, within guardrails. Holdings and trades are public.
  • Your balance no longer rises on its own. You realize rewards with a manual claim.

Bittensor’s stated reasons: the old design sold subnet tokens mechanically on arrival, and validators now compete on how they manage the dividends.

How to claim your root rewards

A claim turns your share of the basket into TAO. It sells your slice of the validator’s holdings at pool prices and stakes the proceeds back on root with the same validator. Your principal is not touched.

  1. Check what you are owed. Bittensor’s command line lists your staked and accrued amounts for each validator.
  2. Run a dry run. The command line can show the network fee next to your accrued rewards, and warns you if a claim would lose money.
  3. Claim one validator at a time. This is the preferred route. A claim across all your validators also exists.
  4. Sign the transaction. There is no partial claim: it redeems your whole share on that validator.

Small payouts below a network threshold are skipped and keep accruing, with no deadline. The fee grows with the number of holdings in the basket, so Taostats suggests preferring a concentrated basket and claiming infrequently. A claim is also a realization event, which can matter for taxes where you live.

What you own: principal and unclaimed rewards

Your root position has two parts. The principal is plain TAO on root, with no subnet-token price risk. The unclaimed rewards are different. Until you claim, they are a slice of a basket of subnet tokens, so their value in TAO moves with those subnets’ prices. A claim locks in whatever the pools pay at that moment.

How to choose a root validator

Your validator decides what your rewards are held in, so the choice matters more than it used to. Taostats advises picking on the basket, not just the take rate.

  • Take. New root validators start at the chain default of 18%, and each can change it.
  • Basket. Holdings and trades are public. Bittensor’s command line shows each validator’s holdings, value and lifetime return.
  • Concentration. A basket with fewer holdings is cheaper to claim.
  • Switching. Moving to another validator or unstaking does not forfeit your accrued rewards. They stay claimable on the old validator’s basket.

Common root staking mistakes

  • Expecting the balance to grow on its own. Since July 2026, rewards reach your balance only when you claim.
  • Claiming too often. Each claim pays a network fee, so tiny, frequent claims can cost more than they return.
  • Choosing a validator on take alone. The basket decides what your rewards are held in.
  • Treating root as risk-free. The price of TAO still moves, and unclaimed rewards are held as subnet tokens.
  • Forgetting unclaimed rewards after you unstake. They stay owed on the old validator’s basket.

Root vs subnet staking

FeatureRoot (subnet 0)Subnet (alpha)
What you stakeTAO, at 1:1TAO swapped for the subnet’s alpha through its pool
Fees and price impactNo swap fee or price impact, only the normal network feeSwap fee (about 0.05% by default) plus price impact
Your principalPlain TAOAlpha, which moves against TAO
How rewards arriveSubnet tokens in a basket, redeemed with a manual claimMore alpha on your position every tempo
Direction over timeRoot’s share of emissions declines by designDepends on demand for the subnet’s token

Subnet staking is covered in our guide to Bittensor alpha tokens.

How to withdraw from root

Unstaking returns your principal as TAO to your free balance, with no unbonding period and no swap. Unclaimed rewards stay owed to you after you unstake, so you can claim them first or later from the same validator.

Bittensor’s command line can claim and unstake in one step, but it claims the validator’s whole share even if you unstake only part. The docs also note that the network can set a hold window after stake changes, and then the one-step route is not available. Check the current rules before you plan an exit.

This guide is education, not investment advice. Staking carries risk, including losing part or all of what you put in.

Root and Stakao

TAO that is not in a position stays on Root, where it keeps earning staking rewards. When Stakao stakes for you, it chooses validators with strong recent delegator yield among established validators, and Root has its own ranking. The free plan has Auto Validators and Smart DCA. Premium adds the engine strategies, where AI-picked subnets sit next to idle TAO on Root and every subnet position gets a stop-loss and a profit lock.

You sign a staking-only permission, so Stakao can stake and unstake for you but can never transfer your TAO, and you can revoke it at any time. Activating a strategy needs 2 TAO in the wallet, with at least 0.1 TAO free for fees. Stakao never takes a cut of your rewards. See how it works and the pricing.

A stop-loss limits losses but cannot remove them: in a thin market, a sale can fill below the stop price. Auto Validators and Smart DCA do not use the risk engine.

Frequently asked questions

What is root staking on Bittensor?

Root staking means staking TAO on subnet 0, the root network, through a root validator. Your TAO goes in and out at 1:1 with no swap fee and no subnet-token price risk on your principal. Rewards come from the subnets your validator earns on.

What is Root Reborn?

Root Reborn is Bittensor’s name for runtime v441, released in July 2026. Root dividends are no longer sold for TAO as they arrive. They are held as subnet tokens in a basket run by your root validator, and you redeem them with a manual claim.

How do I claim Bittensor root rewards?

Make a claim from your wallet or Bittensor’s command line, ideally one validator at a time. The claim sells your share of that validator’s basket for TAO and stakes the TAO back on root with the same validator. There is no auto-claim and no partial claim, and you pay a small network fee.

Is root staking safe?

Your principal stays in plain TAO with no subnet-token price risk, which is why Taostats calls root the safe option. It is not risk-free: the price of TAO still moves, unclaimed rewards are held as subnet tokens whose value changes, and root’s share of emissions declines over time by design.

Can I unstake from root at any time?

Plain unstaking has no unbonding period, and the TAO returns to your free balance. Rewards you have not claimed stay owed to you on that validator. Bittensor’s docs note that the network can set a hold window after stake changes, so check the current rules before you plan an exit.

Sources

Last verified: October 2026. Figures and rules are as of 13 October 2026. Protocol rules can change, so check the primary sources.

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