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docs/spec/slashing: point to Tendermint evidence

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Ethan Buchman 2018-06-15 23:26:09 -07:00
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docs/spec/slashing/end_block.md
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## Slashing
Messges which may compromise the safety of the underlying consensus protocol ("equivocations")
result in some amount of the offending validator's shares being removed ("slashed").
Currently, such messages include only the following:
- prevotes by the same validator for more than one BlockID at the same
Height and Round
- precommits by the same validator for more than one BlockID at the same
Height and Round
We call any such pair of conflicting votes `Evidence`. Full nodes in the network prioritize the
detection and gossipping of `Evidence` so that it may be rapidly included in blocks and the offending
validators punished.
Tendermint blocks can include
[Evidence](https://github.com/tendermint/tendermint/blob/develop/docs/spec/blockchain/blockchain.md#evidence), which indicates that a validator
committed malicious behaviour. The relevant information is forwarded to the
application as [ABCI
Evidence](https://github.com/tendermint/abci/blob/develop/types/types.proto#L259), so the validator an be accordingly punished.
For some `evidence` to be valid, it must satisfy: