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62 lines
3.5 KiB
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62 lines
3.5 KiB
Markdown
---
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title: Testnets
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description: An overview of public test networks that you can test Ocean Protocol applications against.
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---
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You can test an Ocean Protocol application (such as a marketplace) against the test networks (testnets) described below. This page is a brief overview of those testnets. The [tutorials](/tutorials/) cover more details (e.g. how to connect to specific ones).
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## The Kovan Testnet
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The [Kovan Testnet](https://github.com/kovan-testnet/proposal) (or just "Kovan") is a public Ethereum Testnet operated by members of the Ethereum community.
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### Kovan Blockchain Explorers
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There are some Kovan blockchain explorers, e.g. [Etherscan for Kovan](https://kovan.etherscan.io/) and [BlockScout for Kovan](https://blockscout.com/eth/kovan). You can use those to check the status of a transaction, the balance of an account, and more.
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### Ocean Components Connected to Kovan
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There is a [Secret Store](/concepts/components/#secret-store) connected to the Kovan Testnet for use by Ocean Protocol projects (including your projects). It's operated by BigchainDB GmbH. Its URL is:
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[https://secret-store-kovan.dev-ocean.com/](https://secret-store-kovan.dev-ocean.com/)
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Aside from the Secret Store, there is no other Ocean Protocol software component (e.g. Aquarius) that is live, connected to the Kovan Testnet, and operated by BigchainDB GmbH.
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## The Nile Testnet
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_Formerly called the Ocean POA Testnet._
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The Nile Testnet is similar to the Kovan Testnet, except all the nodes are operated by BigchainDB GmbH.
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### Nile Blockchain Explorers
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There is a Nile blockchain explorer at [https://submarine.dev-ocean.com/](https://submarine.dev-ocean.com/). You can use it to check the status of a transaction, the balance of an account, and more. It uses the following symbols for Nile Ether and Nile Ocean Tokens:
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Cryptocurrency | Symbol used
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------------------|------------
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Nile Ether | POA
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Nile Ocean Tokens | OCEAN or SBT-OCN
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### Ocean Components Connected to Nile
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There are several Ocean Protocol software components that are live, connected to the Nile Testnet, and operated by BigchainDB GmbH:
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- Secret Store at [https://secret-store.dev-ocean.com](https://secret-store.dev-ocean.com)
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- Aquarius at [https://nginx-aquarius.dev-ocean.com](https://nginx-aquarius.dev-ocean.com)
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- Brizo at [https://nginx-brizo.dev-ocean.com](https://nginx-brizo.dev-ocean.com)
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- Jupyter Hub at [https://mantaray.dev-ocean.com](https://mantaray.dev-ocean.com)
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- [Token Bridge Frontend](https://github.com/oceanprotocol/bridge-ui) (for a token bridge between Nile and Kovan) at [https://token-bridge.dev-ocean.com](https://token-bridge.dev-ocean.com)
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> Internal note: The private "atlantic" repo documents the internal details of the Nile Testnet in `networks/nile/README.md`.
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## A Spree Testnet
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When Ocean Protocol developers run [Barge](https://github.com/oceanprotocol/barge) with the `--local-spree-node` option, a "Spree Testnet" is deployed on their local machine: a local testnet not connected to any external public testnet.
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Spree Testnet details can be found in the [Barge README.md file](https://github.com/oceanprotocol/barge/blob/develop/README.md). You can configure the Spree nodes by editing the files in the `barge/networks/spree/` directory.
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Note: Spree testnets are named after the Spree River, the main river flowing through Berlin, Germany, where many Ocean Protocol developers are located.
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## A Ganache-Based Testnet
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A local testnet similar to Spree but launched by using the `--local-ganache-node` option with Barge.
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