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# Slashing module specification
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## Abstract
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This section specifies the slashing module of the Cosmos SDK, which implements functionality
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first outlined in the [Cosmos Whitepaper](https://cosmos.network/about/whitepaper) in June 2016.
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The slashing module enables Cosmos SDK-based blockchains to disincentivize any attributable action
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by a protocol-recognized actor with value at stake by "slashing" them: burning some amount of their
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stake - and possibly also removing their ability to vote on future blocks for a period of time.
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This module will be used by the Cosmos Hub, the first hub in the Cosmos ecosystem.
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## Contents
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1. **[State](state.md)**
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1. [SigningInfo](state.md#signing-info)
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1. [SlashingPeriod](state.md#slashing-period)
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1. **[State Machine](state-machine.md)**
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1. [Transactions](state-machine.md#transactions)
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1. Unjail
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1. [Interactions](state-machine.md#interactions)
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1. Validator Bonded
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1. Validator Unbonding
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1. Validator Slashed
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1. [State Cleanup](state-machine.md#state-cleanup)
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1. **[Begin Block](begin-block.md)**
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1. [Evidence handling](begin-block.md#evidence-handling)
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1. [Uptime tracking](begin-block.md#uptime-tracking)
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