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1  Bitcoin / Electrum / Re: SPV query record (logs/dataset) on: July 25, 2020, 01:28:12 PM
Yes, I've seen those BIPs. However, I did not know that any wallet already uses them!
thank you very much  Wink
2  Bitcoin / Electrum / Re: SPV query record (logs/dataset) on: July 22, 2020, 10:34:38 AM
Thanks,

I have seen the paper. I will continue the research and propose a new method to preserve the privacy of lightweight clients.
3  Bitcoin / Electrum / Re: SPV query record (logs/dataset) on: July 22, 2020, 07:32:37 AM
Let me explain.

In the Bloom filter, the false-positive addresses are chosen randomly. So, addresses in a bloom filter (correct addresses and false-positive ones) have different usage frequency and query frequency. This side information can help an adversary full node easily find the right addresses in a bloom filter.

Hence, I am trying to show that if an address belongs to a lightweight client, the number of requests made by the client to get transactions containing the address is proportional to the number of occurrences of the address in the blockchain.

I know the Electrum works a bit differently, but I thought that it is the most straightforward way to communicate with lightweight clients. I am running a bitcoin full node at the address of [j3zla562edof65jn.onion][/https://bitnodes.io/nodes/j3zla562edof65jn.onion-8333/] and a ElectrumX hidden service at the address of [dpojvtzgm5dcg5ds.onion][/https://1209k.com/bitcoin-eye/ele.php]. However, there is no open session to my ElectrumX service Except my wallet and the all_seeing_eye.

Anyway, thanks for your reply. I appreciate it if someone helps me with collecting the dataset.
4  Bitcoin / Electrum / Re: SPV query record (logs/dataset) on: July 21, 2020, 02:10:32 PM
Thanks for your reply,

I only want the query-rate of each address. I want to compare the rate of using an address in the blockchain and the rate of querying of the address. I don't think this kind of information may violate someone's privacy.
5  Bitcoin / Electrum / SPV query record (logs/dataset) on: July 20, 2020, 10:05:47 AM
I am a master's student. I investigate on lightweight clients (SPVs) in the Bitcoin network. I need a data-set contains addresses that SPVs queried from a full node during a specific time interval.
I am running a Bitcoin's full node and also an ElectrumX server on my PC. Can you help me how to record or see logs of lightweight client queries? their bloom filter etc.
However, I think I do not get any queries from lightweight clients. I want to ask you if you are running any full nodes with well-advertised IP addresses? If you are, may I ask you to share the record of queries from SPV clients? Also, the related SPV client's Bloom Filter.

For sure, I will acknowledge and thank your engagement and help in my thesis and paper.
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