IOTA Iron, Bronze, Silver and Gold: tiers, eligibility and layers
Separate a run tier, a miner’s eligibility and a model layer. None is a hardware model or online status, and identical hardware does not imply equal rewards. Use official run descriptions for current labels; missing labels stay unknown.
Three fields, three different meanings
| Field | Meaning |
|---|---|
| Tier label | A run grouping, not a chip benchmark or fixed return. |
| Eligibility | Controlled by official review and run conditions; we cannot grant it. |
| Model layer | A segment of the model pipeline, not a Bronze or Silver tier. |
October 22 check: current labels differ from older guides
The official /mainnet/runs response contained eight active runs: 4.13.7.6–9-tah were described as Tier 0 (Bronze), 4.13.7.10–11-tah as Tier 1 (Silver), and 4.13.7.12–13-tah as Tier 2 (Gold). This is a dated metadata snapshot, not a permanent numbering rule. Older claims that Iron is always 0 or Gold has no active runs do not match this response. Do not infer future tiers from a run ID suffix.
How should I read the names?
Iron, Bronze, Silver and Gold are labels encountered in tier discussions. This page does not grade Macs by model or assert that every named tier currently has a run. Match the specific run ID to its official metadata description. Our network view displays reported labels without guessing missing values. A missing label is not evidence of a ban.
Why do identical Macs earn different amounts?
Official scoring documentation explains that layers differ in work and miner counts; verified score share, run allocation and burning affect rewards. Match run, layer, period and record status before comparing. A tier name is not a reward formula. See rewards explained.
How do I seek access to another tier?
Use the official application and the promotion checklist to prepare your public coldkey and actual hardware details. Approval, available runs and future rules belong to the project. Without published evidence, we do not show a promotion countdown or suggest Pro purchases upgrade official tiers.
Common questions
October 22 check: current labels differ from older guides
The official /mainnet/runs response contained eight active runs: 4.13.7.6–9-tah were described as Tier 0 (Bronze), 4.13.7.10–11-tah as Tier 1 (Silver), and 4.13.7.12–13-tah as Tier 2 (Gold). This is a dated metadata snapshot, not a permanent numbering rule. Older claims that Iron is always 0 or Gold has no active runs do not match this response. Do not infer future tiers from a run ID suffix.
How should I read the names?
Iron, Bronze, Silver and Gold are labels encountered in tier discussions. This page does not grade Macs by model or assert that every named tier currently has a run. Match the specific run ID to its official metadata description. Our network view displays reported labels without guessing missing values. A missing label is not evidence of a ban.