## Description Closes: #9404 --- ### Author Checklist *All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.* I have... - [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] added `!` to the type prefix if API or client breaking change - [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [x] provided a link to the relevant issue or specification - [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) - [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) - [ ] added a changelog entry to `CHANGELOG.md` - [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) - [ ] updated the relevant documentation or specification - [x] reviewed "Files changed" and left comments if necessary - [x] confirmed all CI checks have passed ### Reviewers Checklist *All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.* I have... - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title - [ ] confirmed `!` in the type prefix if API or client breaking change - [ ] confirmed all author checklist items have been addressed - [ ] reviewed state machine logic - [ ] reviewed API design and naming - [ ] reviewed documentation is accurate - [ ] reviewed tests and test coverage - [ ] manually tested (if applicable)
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Concepts
The Minting Mechanism
The minting mechanism was designed to:
- allow for a flexible inflation rate determined by market demand targeting a particular bonded-stake ratio
- effect a balance between market liquidity and staked supply
In order to best determine the appropriate market rate for inflation rewards, a moving change rate is used. The moving change rate mechanism ensures that if the % bonded is either over or under the goal %-bonded, the inflation rate will adjust to further incentivize or disincentivize being bonded, respectively. Setting the goal %-bonded at less than 100% encourages the network to maintain some non-staked tokens which should help provide some liquidity.
It can be broken down in the following way:
- If the inflation rate is below the goal %-bonded the inflation rate will increase until a maximum value is reached
- If the goal % bonded (67% in Cosmos-Hub) is maintained, then the inflation rate will stay constant
- If the inflation rate is above the goal %-bonded the inflation rate will decrease until a minimum value is reached