Validators

Validators, Delegators, and Staking
This covers a functional overview of being a validator in the Sifchain Network. For technical help and CLI commands relating to these processes, please reference our Validator CLI Commands page.
Becoming a Validator in the Sifchain network
To become a validator in the Sifchain network, please refer to our tutorials linked below. These will guide you through the steps of setting up the Sifnode network and setting up your node.
​Running Sifnode on your Ubuntu server (EC2/Digital Ocean or local)
Note: Docker and K8s solutions are currently deprecated
Validator Set
Sifchain’s active validator set consists of the top 100 nodes, as measured by total stake. The calculated total stake includes both the validator’s individual stake and all of its delegations. This validator set is refreshed every block, so changes to a validator’s total stake that would shift it in or out of the validator set will be reflected in consensus almost immediately. There is no explicit minimum stake amount required to be a validator on Sifchain. The amount staked by the lowest validator in the set serves as an implicit minimum.
In order to be a validator in Sifchain, you must have a Sifchain wallet address. This is so the validator can have ROWAN and use that ROWAN to stake their node. When validators stake their ROWAN, that ROWAN gets bonded to the network and cannot be transferred to any other address.
Delegation
Any Sifchain user can delegate their tokens to any number of validators on the network. Delegating to a validator entitles the user to a share of that validator’s block rewards based on the commission rate (see below) set by the validator. Delegating to a validator does not give that validator direct control over the delegator’s funds. However, the delegator does assume the risk of being slashed (see below) if the validator misbehaves.
When performing a delegation, we recommend you do due diligence on the following:
1.Ensure the node validator you are delegating to is one that you trust and have faith to not get slashed. Remember, if you delegate to them and they get slashed, then your delegation will also get slashed.
2.Check these 3 rates of the node validator:
1.Commission Rate - This represents the percentage of delegator’s rewards retained by the validator in exchange for providing access to Sifchain’s staking system. For example, if this rate is set to 25%, then you as the delegator will get 75% of the reward while the node validator will get 25%.
2.Maximum Commission Rate - The node validator can change their commission rate at any time and that change will be represented in 24 hours. The maximum amount they can set their commission rate to is indicated here. For example, if the node validator's maximum rate is set to 100%, then they are able to change their commission rate to 100% at any time.
3.Maximum Commission Rate Change - This is the maximum daily increase possible. For example, if this is set to 5% then the most a node validator can change their rate by in a single 24 hour period is 5%.
3.The top 100 node validator list and their staked/delegated amounts. It's important to do this because you want the node you are delegating to, to be a part of the network to ensure you are also earning rewards.
4.We recommend that you continuously monitor your delegation and the node validators that you have delegated to.
Please reference our guide on Delegation here for additional information.
Fees
Validators are responsible for setting their own minimum fee price. This price is the minimum fee amount that the validator’s node will accept when receiving a transaction or adding a transaction to a block for proposal.
Block Rewards
Validator block rewards consist of network fees from transactions. These fees are pooled globally and distributed to validators proportionally based on voting power (i.e. stake). The validator that proposed a particular block also receives a bonus between 1% and 5% of the fees collected in that block. Fees are collected and added to the reward pool every block.
Claiming & Re-Staking Block Rewards
Validators and delegators must manually submit a transaction to withdraw their rewards from the reward pool. Because of this, automatic redelegation of rewards is not possible on-chain. Validators and delegators are therefore responsible for withdrawing and redelegating their rewards manually when desired. When withdrawing, all of the claimant’s available rewards are withdrawn from the reward pool. Delegators can, however, withdraw only the rewards from a particular validator if they choose.
Unbonding
Validators and delegators can submit an unbonding transaction to remove their staked tokens. Once the transaction is processed the staked tokens will enter an unbonding period of 21 days. During the unbonding period the staked tokens will not earn any validator income, but are still susceptible to slashing penalties. After the unbonding period the tokens will be fully released to the user.
Slashing
Validators committing a slashable offense will have their stake removed by a slash factor. Sifchain currently only penalizes validators for downtime. If a validator misses more than 250 blocks in any 5000 block window, they will be slashed and jailed. This means that validators will have around 7.5 hours to get their node back online without being jailed.
The slash penalty for downtime is 0.01% of the validator’s total stake including delegations; these tokens will be burned. The offending validator will be jailed for 10 minutes. While the validator is jailed they are removed from the validator set and cannot participate in consensus and thus will not receive block rewards. After the 10 minute jail period is over the validator must submit a transaction to unjail, at which point they will rejoin consensus.
Future Additions
Double Sign Slashing: We plan to add functionality to slash validators for double sign infractions. The penalty for a double sign infraction will be a 5% slash of the offender’s stake and a permanent jail and tombstone. This means that the validator will be unable to ever rejoin the validator set.
Inflationary Block Rewards: Inflationary block rewards will be minted per block based on a schedule set by governance. These rewards will be added to and distributed by the same global reward pool as fee rewards.
Governance: In the future, validators will be able to participate in governance proposals and votes that will alter the functionality of the chain.
Dynamic Rebalancing Policy: We plan to add a system that will dynamically rebalance rewards between the validator system outlined above and Sifchain’s liquidity pool system rewards. The goal of the policy is to prevent one system’s rewards from becoming more profitable than the other, which would over-incentivize users to participate in that system and lead to an imbalance in the chain.

COMMAND LINE INTERFACE - Previous

Validator CLI Commands

Running Sifnode & Becoming a Validator

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Contents

Validators, Delegators, and Staking

Becoming a Validator in the Sifchain network

Claiming & Re-Staking Block Rewards

Unbonding

Slashing

Future Additions