Requirement
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System: Ubuntu 20.04
CPU - 4 core (3.2GHZ above)
Memory - 16GB
Storage - 200GB SSD
Bandwidth - 10 Mbps above
Tip: CPU frequency lower than 3.2GHZ may affect the normal block generation of collator. Storage recommendation is using an SSD that supports the NVMe protocol.
Ubuntu 20.04 LTS
(Bifrost binary can only run on Ubuntu 22.04, you can use docker when you have other linux system. )
Delegator
Create a BNC Address via
Enter the Bifrost Dapp (Mainnet) and delegate to a Collator
Collator:
Create a BNC Address via
Run Collator Node & Map SessionKey in :
Check your Collator at (switch to Bifrost Polkadot Mainnet)
Get Delegating
Successfully generate blocks and enter the active Collator set to get Commission rewards
The Collator system has its own running cycle, 600 blocks in a round, each round takes about 2 hours, and the cycle is related to the operations of reward settlement, addition, and unbonding.
Leave Candidate Pool
84 rounds (168 hours)
Remove Nominations
84 rounds (168 hours)
Reward distribution (after the current round)
2 rounds (4 hour)
Collator: Collator runs a full node on Bifrost parachain and Kusama relay-chain, and produce the state transition proof for relay chain validators.
Active set: A set of Collators who can receive commission by producing blocks, choosen by the ranking of delegating amount.
Candidates: Collators who are out of the active set.
Collator self bond: Self-bond as a minimum BNC to be a Collator, continue self-bond same as delegating.
Delegator: Bifrost token holders who stake tokens, vouching for specific collator candidates on the parachain.
Delegate: Bond BNC Token for Bifrost Collators, receiving delegating rewards depends on the rank of Collator and delegating amount.
Maximum number of active Collators and candidates
Candidate
Unlimited
Active Collator
64
Bonding parameters (Collator)
Candidate minimum bond (self bond)
5,000 BNC
Collator maximum bond (self bond)
Unlimited
Minimum Total Delegating Amount for Active Collator (Delegating)
5,000 BNC
Others
Collator exit
84 rounds
Maximum number of delegators
Unlimited
Add self bond
Effective immediately
Reduce self bond
84 rounds
Reward distribution
Collectors receive rewards for the first 2 rounds at the end of each round (600 blocks)
Punishment
No Penalty, reward deduction if there is missing for effective block producing.
Bonding parameters (Delegator)
Minimum Delegating Amount
50 BNC
Maximum Delegating Quantity
Unlimited
Others
Minimum delegating value that can be rewarded
No reward
Maximum number to delegate Collators
350
Add Delegating
Effective immediately
Reduce Delegating
84 rounds
Revoke Delegating
84 rounds, no minimum revoke limit (staking rewards continue to be received during unbonding period)
Reward automatic re-delegating
Not available yet
Collator Commission
10%
Delegator
90%
Bifrost network reserved 5% (4,000,000 BNC) of total issurance to incentivize Collator mechanism for 5 years (800,000 BNC/year), with no inflation. The reward for each Round is a fixed 180 BNC. The reward calculation method is as follows.
According to the incentive ratio, the reward for each block is:
Collator: 180/600*10% = 0.03 BNC
Delegator: 180/600*90% = 0.27 BNC
If a collector's total delegating amount is 100,000 BNC and it is in the 64 Active Collator set for the whole year, the average revenue of the Collator is:
Collating Reward: 800,000 x 10% / 64 = 1,250 BNC
Self-bond delegating Reward: 800,000 x 90% / 64 x 5,000/100,000 = 562.5 BNC
Total Revenue: 1,250 + 562.5 = 1,812.5 BNC
APR: 1,812.5/5,000 = 36.25%
Receive faucet test BNC:
Receive faucet test BNC:
Run Collator Node & Map SessionKey in the Bifrost pre-production environment (wss://bifrost-rpc.testnet.liebi.com/ws):
Check your Collator at (switch to Bifrost Stage Network)/