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14 lines
1.1 KiB
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14 lines
1.1 KiB
Markdown
---
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title: Run a Keeper
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description: How to Run a Keeper node in the Ocean network.
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---
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The Ocean Protocol v0.9 (Trilobite) Testnet is an Ethereum [Proof-of-Authority (PoA) network](https://wiki.parity.io/Proof-of-Authority-Chains) where all the nodes (Keeper nodes) are running [Parity Ethereum](https://www.parity.io/ethereum/).
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There are two kinds of Keeper nodes in the Trilobite Testnet: authority nodes (voting nodes) and user nodes (non-voting nodes).
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Authority nodes have a say in determining which transactions are valid. _In the Trilobite Testnet_, the authority nodes are run by BigchainDB GmbH and its partners. If you're interested in running an authority node in the Trilobite Testnet, then email <a href="mailto:info@oceanprotocol.com">info@oceanprotocol.com</a>.
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Anyone can run a user node. It will stay in sync with the other nodes in the Trilobite Testnet, it just won't have a say on whether transactions are valid.
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Marketplaces and publishers should run user nodes.
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See the pages for [marketplaces](/setup/marketplace/) and [publishers](/setup/publisher/).
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