Merge pull request 0xPolygon#603 from 0xPolygon/platform/unhook-kurtosis

Platform: Unhook kurtosis repo from ours

Author: kmurphypolygon

docs/cdk/how-to/connect-testnet.md

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+---
+comments: true
+---
+
+## Stavanger
+
+The [CDK Stavanger testnet](https://polygon.technology/cdk-stavanger-testnet) is a validium testnet based on Sepolia.
+
+- Add the RPC network details to your wallet by navigating to the add network input and entering the data as given in the table below.
+- Use the faucet to get test ETH.
+- Bridge assets from Sepolia to Stavanger using the bridge.
+- Confirm your transactions with the block explorer.
+
+!!! tips "Setting up your wallet"
+    - Click **Connect wallet** on the [Stavanger explorer](https://sn2-stavanger-blockscout.eu-north-2.gateway.fm/) to auto set up your wallet.
+    - Check out the latest on [setting up a custom network with MetaMask](https://support.metamask.io/hc/en-us/articles/360043227612-How-to-add-a-custom-network-RPC).
+
+### Stavanger network details
+
+| Name | Value | Usage |
+| ------- | ----------- | --------- | 
+| JSON RPC | https://sn2-stavanger-rpc.eu-north-2.gateway.fm | Make remote procedure calls to the CDK testnet. |
+| Faucet | https://sn2-stavanger-faucet.eu-north-2.gateway.fm | Get testnet ETH |
+| Bridge | https://sn2-stavanger-bridge.eu-north-2.gateway.fm | Bridge tokens from Sepolia |
+| Block explorer | https://sn2-stavanger-blockscout.eu-north-2.gateway.fm | Confirm transactions with the explorer |
+| Chain id | 686669576 | Chain identification value |
+| Currency | ETH | Test token |
+
+## Blackberry
+
+The [Blackberry testnet](https://raas.gelato.network/rollups/details/public/polygon-blackberry) is a zero-knowledge-powered, layer 2 testnet based on Sepolia. It uses Polygon CDK for transaction validity while keeping transaction data off-chain using [DACs](https://docs.polygon.technology/cdk/glossary/#data-availability-committee-dac). 
+
+- Add the RPC network details to your wallet by navigating to the add network input and entering the data as given in the table below.
+- Obtain Sepolia ETH from the public faucets available.
+- Bridge assets from the Ethereum Sepolia network to Blackberry using the bridge service.
+- Confirm your transactions with the block explorer.
+
+!!! tips "More information"
+    - For more information on bridging and faucet services on Blackberry, head over to the [Gelato documentation](https://docs.gelato.network/rollup-public-testnet/faucets-and-bridging).
+
+### Blackberry network details
+
+| Name           | Value                                                     | Usage                                                  |
+| -------------- | --------------------------------------------------------- | ------------------------------------------------------ |
+| JSON RPC       | `https://rpc.polygon-blackberry.gelato.digital`           | Make remote procedure calls to the Blackberry testnet. |
+| Faucet         | `https://www.alchemy.com/faucets/ethereum-sepolia`        | Obtain sepolia ETH                                     |
+| Bridge         | `https://bridge.gelato.network/bridge/polygon-blackberry` | Bridge assets from the ethereum sepolia network        |
+| Block explorer | `https://polygon-blackberry.gelatoscout.com/`             | Confirm transactions with the explorer                 |
+| Chain id       | `94204209`                                                | Chain identification value                             |
+| Currency       | sETH                                                      | Test token                                             |