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- # Light Client Protocol
-
- Light clients are an important part of the complete blockchain system
- for most applications. Tendermint provides unique speed and security
- properties for light client applications.
-
- See our [lite
- package](https://godoc.org/github.com/tendermint/tendermint/lite).
-
- ## Overview
-
- The objective of the light client protocol is to get a
- [commit](./validators.md#committing-a-block) for a recent [block
- hash](../spec/consensus/consensus.md.md#block-hash) where the commit includes a
- majority of signatures from the last known validator set. From there,
- all the application state is verifiable with [merkle
- proofs](./merkle.md#iavl-tree).
-
- ## Properties
-
- - You get the full collateralized security benefits of Tendermint; No
- need to wait for confirmations.
- - You get the full speed benefits of Tendermint; transactions
- commit instantly.
- - You can get the most recent version of the application state
- non-interactively (without committing anything to the blockchain).
- For example, this means that you can get the most recent value of a
- name from the name-registry without worrying about fork censorship
- attacks, without posting a commit and waiting for confirmations.
- It's fast, secure, and free!
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