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[KIP286] update slot limit formulas, add MinActiveCount #107

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hyunsooda merged 2 commits into from
Apr 17, 2026
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[KIP286] update slot limit formulas, add MinActiveCount #107

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bf6ac1e
docs(kip-286): update slot limit formulas, add MinActiveCount
hyunsooda Apr 14, 2026
1ed2ac4
docs(kip-286): add n<4 guard for MinActiveCount and slot limits
hyunsooda Apr 17, 2026
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5 changes: 3 additions & 2 deletions KIPs/kip-286.md
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Expand Up @@ -40,8 +40,9 @@ The following parameters are used in this KIP:
| `MinStake` | Minimum staking amount required to enter the consensus | 5,000,000 KAIA |
| `ValPausedTimeout` | Maximum duration a validator can remain in `ValPaused` before transitioning to `ValInactive` | 8 hours |
| `ValIdleTimeout` | Maximum duration a validator can remain in `ValInactive` or `ValReady` before transitioning to `Registered` | 30 days |
| `ValPausedSlotLimit` | Maximum number of validators that can be in `ValPaused` | 1\*`F` / 2, where `F` is the byzantine fault tolerance factor |
| `ValExitingSlotLimit` | Maximum number of validators that can be in `ValExiting` | 1\*`F` / 2, where `F` is the byzantine fault tolerance factor |
| `MinActiveCount` | Minimum number of `ValActive` validators required for BFT liveness | `ceil(2n/3)` where `n` = `ValActive` count at epoch start |
| `ValPausedSlotLimit` | Maximum number of validators that can be in `ValPaused` | `ceil(floor(n/3) / 2)` where `n` = `ValActive` count at epoch start |
| `ValExitingSlotLimit` | Maximum number of validators that can be in `ValExiting` | `ceil(floor(n/3) / 2)` where `n` = `ValActive` count at epoch start |
| `VRankEpoch (Epoch)` | Epoch interval for vrank | 86400 |
| `PFS_THRESHOLD` | Threshold for proposal failure score (PFS) per epoch. PFS ≥ PFS_THRESHOLD indicates severe violation (defined in [KIP-227](./kip-227.md)) | 2 |
| `CFS_THRESHOLD` | Threshold for candidate failure score during VRank testing. CFS ≥ CFS_THRESHOLD indicates failing the testing (defined in [KIP-227](./kip-227.md)) | 300 |
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