In ETH system, is it possible to hide the sender address of transactions by 3th party, "zk-SNARK" or others? And if yes, any suggestions? Thanks.
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Not possible... (and what do you mean with "by 3th party"?). – goodvibration Mar 12 '20 at 09:21
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3th party means that other backend services. and could you explain the cause for 'not possible'? Thanks a lot. – Timothy Mar 12 '20 at 09:24
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I have previously answered a similar question here. I believe that this answer also applies for your question. – goodvibration Mar 12 '20 at 09:30
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Does it answer your question then? – goodvibration Mar 12 '20 at 10:03
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I find another article shows that can shield the transaction sender, recipient and the amount. how about your opinion? https://medium.com/@atvanguard/zkdai-private-dai-transactions-on-ethereum-using-zk-snarks-9e3ef4676e22 – Timothy Mar 12 '20 at 10:51
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Not within the blockchain itself AFAIK. – goodvibration Mar 12 '20 at 10:55
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You should look at anonymous zether from jp Morgan. It's provides anonymous and confidential transactions. https://github.com/jpmorganchase/anonymous-zether – 0xsegfault Mar 16 '20 at 07:44