Many of these parameter values can be updated via on-chain governance. If you require absolute certainty of these parameter values, it is recommended you directly check the constants by looking at the chain state using Cere Explorer.
Periods of common actions and attributes
NOTE: Cere Mainnet generally runs at the same speed of Cere Testnet.
- Slot: 6 seconds *(generally one block per slot, although see note below)
- Epoch: 4 hours (2_400 slots x 6 seconds)
- Session: 4 hours (Session and Epoch lengths are the same)
- Era: 24 hours (6 sessions per Era, 2_400 slots x 6 epochs x 6 seconds)
| Cere |
Time |
Slots* |
| Slot |
6 seconds |
1 |
| Epoch |
4 hours |
2_400 |
| Session |
4 hours |
2_400 |
| Era |
24 hours |
14_400 |
- A maximum of one block per slot can be in a canonical chain. Occasionally, a slot will be without a block in the chain. Thus, the times given are estimates.
Accounts, Identity and Crowdloans
- The Existenial Deposit is: 0 CERE
- The deposit required to set an Identity is XXX CERE.
Governance
| Democracy |
Time |
Slots |
Description |
| Voting period |
24 hours |
403_200 |
How long the public can vote on a referendum. |
| Launch period |
24 hours |
403_200 |
How long the public can select which proposal to hold a referendum on, i.e., every week, the highest-weighted proposal will be selected to have a referendum. |
| Enactment period |
24 hours |
403_200 |
Time it takes for a successful referendum to be implemented on the network. |
| Council |
Time |
Slots |
Description |
| Term duration |
7 days |
100_800 |
The length of a council member's term until the next election round. |
| Voting period |
7 days |
100_800 |
The council's voting period for motions. |
The Cere Council consists of up to 13 members and up to 20 runners up.
| Technical committee |
Time |
Slots |
Description |
| Cool-off period |
7 days |
100_800 |
The time a veto from the technical committee lasts before the proposal can be submitted again. |
| Emergency voting period |
3 hours |
1_800 |
The voting period after the technical committee expedites voting. |
Staking, Validating, and Nominating
The maximum number of validators that can be nominated by a nominator is .
| Cere |
Time |
Slots |
Description |
| Term duration |
7 Days |
14_400 |
The time for which a validator is in the set after being elected. Note, this duration can be shortened in the case that a validator misbehaves. |
| Nomination period |
7 Days |
14_400 |
How often a new validator set is elected according to Phragmén's method. |
| Bonding duration |
3 days |
403_200 |
How long until your funds will be transferrable after unbonding. Note that the bonding duration is defined in eras, not directly by slots. |
| Slash defer duration |
2 days |
403_200 |
Prevents overslashing and validators "escaping" and getting their nominators slashed with no repercussions to themselves. Note that the bonding duration is defined in eras, not directly by slots. |