<p>You can use <a href="http://bip32.org/" rel="nofollow noreferrer">http://bip32.org/</a>, there is a selection box in the top right hand corner of the page to choose Bitcoin Testnet. That will generate you an extended private key from a passphrase of your choosing. Note that I recommend you <strong>Do NOT use any keys generated from websites online for real world payments</strong>. But for testing this out it should be fine. Using the default passphrase it generated me:
<code>tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK</code></p>

<p>Once you have generated an extended private key at the top, starting with <code>tprv</code>, you can then select "Info: m" in the Derivation Path box, which will show you the extended public master key. In this case it generated:
<code>tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B</code></p>

<p>Again feel free to use this for testing, but please generate an extended key correctly for the mainnet in a secure way, do not use random websites to do it!</p>

CC BY-SA 3.0
2017-12-22T10:04:26.100Z
2017-12-22T10:04:26.100Z
meshcollider
<p>I would like to create a gateway on MyCelium.com. This is for my testing, so I want to test it out first. But I struggle in getting a <code>BIP32 test pubkey</code>.</p>

<p><a href="https://i.sstatic.net/ZMbir.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/ZMbir.png" alt="enter image description here"></a></p>

<p>There is no documentation on MyCelium.com, neither even Google. It is really frustrating to go through this. Could anybody please help? Thanks.</p>

<bitcoin-core-development><payment><mycelium-wallet>
Where to get a `BIP32 test pubkey`
Joy
# Where to get a `BIP32 test pubkey`

(Asked by: username_0 on 2017-12-22)

I would like to create a gateway on MyCelium.com. This is for my testing, so I want to test it out first. But I struggle in getting a `BIP32 test pubkey`.

[![enter image description here](https://i.sstatic.net/ZMbir.png)](https://i.sstatic.net/ZMbir.png)

There is no documentation on MyCelium.com, neither even Google. It is really frustrating to go through this. Could anybody please help? Thanks.

**Tags:** bitcoin-core-development, payment, mycelium-wallet


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## 1 answers

### Answer by username_1 on 2017-12-22. Score: 1 | Accepted answer

You can use <http://bip32.org/>, there is a selection box in the top right hand corner of the page to choose Bitcoin Testnet. That will generate you an extended private key from a passphrase of your choosing. Note that I recommend you **Do NOT use any keys generated from websites online for real world payments**. But for testing this out it should be fine. Using the default passphrase it generated me:
`tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK`

Once you have generated an extended private key at the top, starting with `tprv`, you can then select "Info: m" in the Derivation Path box, which will show you the extended public master key. In this case it generated:
`tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B`

Again feel free to use this for testing, but please generate an extended key correctly for the mainnet in a secure way, do not use random websites to do it!


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