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62 lines
2.6 KiB
Markdown
62 lines
2.6 KiB
Markdown
# Chapter 14.2: Changing Your Bitcoin Hidden Services
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> :information_source: **NOTE:** This is a draft in progress, so that I can get some feedback from early reviewers. It is not yet ready for learning.
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You've got a working Tor service, but if you want you can make changes to it.
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## Reset Your `bitcoind` Onion Address
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If you ever want to reset your onion address for `bitcoind`, just remove the `onion_private_key` in your data directory, such as `~/.bitcoin/testnet`:
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```
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$ rm onion_private_key
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```
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Wehn you restart, a new onion address will be generated:
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```
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2020-07-22T23:52:27Z tor: Got service ID pyrtqyiqbwb3rhe7, advertising service pyrtqyiqbwb3rhe7.onion:18333
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2020-07-22T23:52:27Z tor: Cached service private key to /home/standup/.bitcoin/testnet3/onion_private_key
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```
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## Reset Your RPC Onion Address
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If you want to reset your onion address for RPC access, you similarly delete the `HiddenServiceDirectory` and restart Tor:
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```
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$ sudo rm -f /var/lib/tor/standup/
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$ sudo /etc/init.d/tor restart
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```
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> :warning: **WARNING:** Reseting your RPC onion address will disconnect any mobile wallets or other services that you've connected using the Quicklink API. Do this with extreme caution.
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## Forcing `bitcoind` to Use Tor
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Finally, you can force `bitcoind` to use onion by adding the following to your `bitcoin.conf`:
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```
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proxy=127.0.0.1:9050
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listen=1
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bind=127.0.0.1
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onlynet=onion
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```
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You will then need to add onion-based seed nodes or other nodes to your setup, once more by editing the `bitcoin.conf`:
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```
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seednode=address.onion
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seednode=address.onion
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seednode=address.onion
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seednode=address.onion
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addnode=address.onion
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addnode=address.onion
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addnode=address.onion
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addnode=address.onion
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```
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Afterward, restart `tor` and `bitcoind`
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You should now be communicating exlusively on Tor. But, unless you are in a hostile state, this level of anonymity is probably not required. It also is not particularly recommended: you might greatly decrease your number of potential peers, inviting problems of censorship or even correlation. And, this setup may give you a false sense of anonymity that really doesn't exist on the Bitcoin network.
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> :warning: **WARNING:** This setup is untested! Use at your own risk!
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## Summary: Changing Your Bitcoin Hidden Services
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You probably won't need to fool with your Onion services once you've investigated them but in case you do, here's how to reset a Tor address that has become compromised or to move over to exclusive-Tor use for your `bitcoind`.
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## What's Next?
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Continue "Understanding Tor" with [14.3: Adding SSH Hidden Services](14_3_Adding_SSH_Hidden_Services.md).
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