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Author Topic: [Discussion] Dandelion - A protocol to hide transaction origin  (Read 827 times)
bobthegrownup
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October 19, 2018, 09:43:37 AM
 #41

The research on the paper happens somewhere in 2014, where BIP 151 about E2EE (end to end encryption) protocol hasn't used by Bitcoin Core or other client, so some attack/de-anonymization attempt without running full-nodes won't work today.
Besides i think using Tor is still better than connect to bitcoin network directly, especially if government actively monitor/analyze internet traffic or forbid Bitcoin.

This is great feedback. I am writing on article on Dandelion++ and the whitepaper I shared had shown up in some source material as an argument against TOR.

I'll revise to reflect that this whitepaper is no longer relevant. Thanks again
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Carlton Banks
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October 19, 2018, 09:58:18 AM
Last edit: October 19, 2018, 01:05:20 PM by Carlton Banks
 #42

The research on the paper happens somewhere in 2014, where BIP 151 about E2EE (end to end encryption) protocol hasn't used by Bitcoin Core or other client

BIP 151/end-to-end encryption aren't used in Bitcoin yet, and they also don't provide anonymity to Bitcoin nodes anyway, so there would be no difference in Bitcoin's anonymity even if they were in use.

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October 19, 2018, 10:27:28 AM
 #43

The research on the paper happens somewhere in 2014, where BIP 151 about E2EE (end to end encryption) protocol hasn't used by Bitcoin Core or other client

BIP 151/end-to-end encryption aren't used in Bitcoin yet, and they also don't provide anonymity to Bitcoin nodes anyway, so there would make no difference in Bitcoin's anonymity even if they were in use.

Thanks for the information, i just recheck and it's true. It's used bcoin client and looks like i didn't remember it correctly.

But, can you explain why BIP 151 don't provide anonymity to nodes? Excluding de-anonymization method which require full nodes, AFAIK ISP/government/spy at most only can know that it's Bitcoin full nodes traffic without knowing which transaction/block is being transferred.

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October 19, 2018, 11:37:07 AM
Merited by ETFbitcoin (1)
 #44

But, can you explain why BIP 151 don't provide anonymity to nodes? Excluding de-anonymization method which require full nodes, AFAIK ISP/government/spy at most only can know that it's Bitcoin full nodes traffic without knowing which transaction/block is being transferred.

Traffic encryption (as used in BIP151) only makes your Bitcoin use private, not anonymous. Encryption makes what you send private, not who you are (your identity).

Your IP is the most significant identity information that exists on the Bitcoin network. Tor masks your IP from other Bitcoin nodes, dandelion masks which IP a transaction was sent from first.

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bobthegrownup
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October 19, 2018, 02:31:26 PM
 #45

Traffic encryption (as used in BIP151) only makes your Bitcoin use private, not anonymous. Encryption makes what you send private, not who you are (your identity).

Your IP is the most significant identity information that exists on the Bitcoin network. Tor masks your IP from other Bitcoin nodes, dandelion masks which IP a transaction was sent from first.

Thank you for clearing that up -- I didn't take the time to fully understand that BIP151 is about anonymizing at the transaction layer, not at the network layer -- which is the relevant part of this thread

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October 23, 2018, 11:26:51 PM
Merited by ETFbitcoin (1)
 #46

Finally finished that article about Dandelion. Would love to have your feedback and please share.

https://hackernoon.com/bitcoin-upgrades-with-dandelion-the-transaction-privacy-protocol-ae9647bfbcb2

Thanks again for the correction on the "Bitcoin on Tor isnt a good idea" whitepaper being incorrect!

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October 24, 2018, 04:30:58 AM
 #47

Finally finished that article about Dandelion. Would love to have your feedback and please share.

https://hackernoon.com/bitcoin-upgrades-with-dandelion-the-transaction-privacy-protocol-ae9647bfbcb2

Thanks again for the correction on the "Bitcoin on Tor isnt a good idea" whitepaper being incorrect!

Nice article, the example is really easy understand.
You might want to use this link https://github.com/bitcoin/bips/blob/master/bip-0156.mediawiki on URL text " Bitcoin Improvement Proposal 156" (below 2nd image) rather than GitHub pull request which IMO not useful for reader.

Do you mind if i adding your article link to "Some informations" section on this thread?

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October 24, 2018, 06:42:58 AM
 #48

Do you mind if i adding your article link to "Some informations" section on this thread?

Yes, that would be an honor!
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