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Staking

Archway is a Proof-Of-Stake (PoS) blockchain built with the Cosmos SDK , and it relies on validators in order to secure the network. Validators' voting power is determined by the amount of staking tokens (ARCHs) bonded as collateral. Delegating enables ARCH holders that don't have the skills or desire to run a validator to participate in securing the network and be rewarded.

You can stake by either:

Validators

Validators participate in the consensus protocol by proposing new blocks and receiving staking rewards in exchange. Those rewards (minus the commission fee) are then split between all the delegators. The commission fees are instead credited to the validator themselves.

Validators need to be in the active set to let their delegators earn rewards. The active set is the list of validators that have enough weight (i.e. voting power) to be included in the active set. Weight is directly proportional to the amount of delegated tokens. Just as a reference, the active set for chains built with the Cosmos SDK usually varies between 50 and 150.

Delegating

Delegators staking their coins with a validator entrust that validator to participate in the block issuance process on their behalf. This allows delegators to earn rewards in the process, while also being subjected to slashing penalties. Delegators keep full control of their funds while receiving staking rewards. Their coins stay in their wallets while staked. During the staking period, the tokens are bonded to the validator and are unusable. When the tokens are unstaked/withdrawn from the delegation, they suffer an unbonding period (a cooldown period during which the tokens are frozen before being unstacked and usable again). During the unbonding period, delegators don’t earn rewards. The unbonding period can vary between 14 and 28 days depending on the chain.

Delegators can also participate in governance by voting on the different Governance Proposals

ARCH holders who do not run a validator themselves, are called Delegators. Delegators can delegate ARCHs to a validator and obtain staking rewards minus the commission fee paid to the validator.

Slashing

Slashing the mechanism that penalizes validators (and consequently their delegators) for misbehaving, such as:

Downtime (soft slashing) When a validator is offline and does not participate in block signing for a certain amount of time, it gets slashed. Slashing leads to a small loss of staked tokens, on top of not earning new rewards for the duration of the downtime.

Double signing (hard slashing) Double signing occurs when a validator uses its private keys to sign multiple blocks at the same time. The penalty is considerably higher, as it involves a higher loss of staked tokens, jail time for the validator, and an unbonding time for the delegator tokens (during which delegators stop gaining rewards)

Validators need to be careful in adopting the necessary measures to prevent being slashed, as both the validator and its delegators are subjected to slashing penalties. For this reason, it is crucial for delegators to carefully choose the validator(s) to which delegate to.

How to choose a validator

There are many variables that can be used to compare validators and choose the right one for you. The most important indicators you need to look for are the following:

Uptime

Uptime is the metric that helps to determine how reliable a validator is Uptime is shown in the blockexplorer itself (in the validator tab) and usually varies between 90% and 100%.

Self-delegation

Self-delegation is the number of tokens a validator is delegating to itself. A high amount of self-delegation demonstrates that the validator has skin in the game, as it will need to be careful not to get slashed in order not to incur losses. A high self-delegation amount usually signals that the validator takes validating operations seriously.

Commissions

Commissions are the amounts a validator is charging for its validation services, and it is a percentage taken off the delegators' rewards. Commission rates may vary between 5 to 10%, as these amounts may provide enough profits for validators to run opeñower is the weight that a validator has in the consensus mechanism, and it is expressed as the percentage of the delegations to a validator compared to the full amount of delegations. In order to minimize single points of failure and nurture decentralization, it is helpful to delegate to validators with moderate voting power. This will help to balance the power between the different validators, preventing a few validators to collude.

Contributions

Some validators may run additional services such as relayers, blockexplorers, or other tools. Supporting these contributors is key to the success of a healthy ecosystem.

Voting

When delegating tokens to a validator, you are also delegating voting power. Delegating to a validator who is active in the governance processes and openly communicates with the community is an important element

Now, let's see how we can delegate some tokens to a validator.

You can stake by:

Delegating

When delegating tokens to a validator, you are also delegating voting power. Delegating to a validator who is active in the governance processes and openly communicates with the community is an important element

Delegating enables ARCH holders that don't have the skills or desire to run a validator to participate in securing the network and be rewarded.

You can delegate by either: