If i send someone btc, can they see what kind of wallet i use? - page 2.

Bonusmen

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Quote from: bob123 on January 23, 2021, 08:25:23 AM

I wouldn't say "for sure" since it's possible the user or wallet uses Tor/VPN connection or other method to protect privacy.

With a VPN, the VPN provider for sure knows what kind of wallet you are using.
Without, the ISP does.

While Tor definitely might help here, a full node could be prohibited from connecting to the bitcoin network via Tor by exploiting the built-in DoS protection. Resulting in either a clear net connection, a tor-only connection (excluding the clear-net bitcoin nodes, resulting in 2 separated networks, at least for a maximum of 24 hours which would be easier to "control" privacy-wise) or no connection at all.
SPV wallets via Tor are a different story again. If we are talking about a SPV wallet building on top of bitcoinj, that's probably the only thing one could determine using the privacy leaking bloom filter.

I am not saying that it is definitely possible to find it out. Especially not with Tor. But it's not impossible.

However, since OP asked whether someone can find out if he is using blockchain.com or electrum, i heavily doubt he even ever heard of Tor.
And in his case.. an institution definitely could find out which wallet he is using. A random stranger on the internet, can't.

Quote from: ?? on ??

They can't see, They just can see the wallet address of yours. Let's not to say data tracking and this bullshit, in anyway, only your Internet Provider can know this.

Quote from: Viscore on January 23, 2021, 07:54:37 AM

For personal wallet, a wallet that you own the seed, the receiver would not know what wallet you are using.
[...]

If you don't know anything about the topic, better don't talk about it.
Or at least don't make it sound as if you know anything.

You said it literally, "if you use a vpn or an ISP they can find out about that and Tor in individual cases", and this is what I meant in my post "Internet Provider".
Please don't be stupid with me

bob123

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Quote from: ?? on ??

I wouldn't say "for sure" since it's possible the user or wallet uses Tor/VPN connection or other method to protect privacy.

With a VPN, the VPN provider for sure knows what kind of wallet you are using.
Without, the ISP does.

While Tor definitely might help here, a full node could be prohibited from connecting to the bitcoin network via Tor by exploiting the built-in DoS protection. Resulting in either a clear net connection, a tor-only connection (excluding the clear-net bitcoin nodes, resulting in 2 separated networks, at least for a maximum of 24 hours which would be easier to "control" privacy-wise) or no connection at all.
SPV wallets via Tor are a different story again. If we are talking about a SPV wallet building on top of bitcoinj, that's probably the only thing one could determine using the privacy leaking bloom filter.

I am not saying that it is definitely possible to find it out. Especially not with Tor. But it's not impossible.

However, since OP asked whether someone can find out if he is using blockchain.com or electrum, i heavily doubt he even ever heard of Tor.
And in his case.. an institution definitely could find out which wallet he is using. A random stranger on the internet, can't.

Quote from: ?? on ??

They can't see, They just can see the wallet address of yours. Let's not to say data tracking and this bullshit, in anyway, only your Internet Provider can know this.

Quote from: Viscore on January 23, 2021, 07:54:37 AM

For personal wallet, a wallet that you own the seed, the receiver would not know what wallet you are using.
[...]

If you don't know anything about the topic, better don't talk about it.
Or at least don't make it sound as if you know anything.

Viscore

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For personal wallet, a wallet that you own the seed, the receiver would not know what wallet you are using.

I guess it's easier to determine who owns the addresses than determining what type of wallet you are using.

For example, if you send bitcoin from exchanges or vice versa, there are ways to determine who owns the address, I guess there are sites that you can check on that, I just can't remember it, might this one not too relevant but I just want to add it in case you are interested to know.

bob123

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Quote from: 1mBPM on January 22, 2021, 01:12:10 AM

So in other words, i probably can send btc from a blockchain wallet and still claim that i have used electrum? There is no way to be 100% sure that im using a blockchain wallet right?

No.
The correct answer is: It depends.

There are multiple characteristics which might give it away.
It also depends on who we are talking about. A random person on the internet? No, he won't know which wallet you used.
A powerful institution (maybe with contact to your ISP)? Yes, they will know what kind of wallet you used, for sure.

But why do you even ask that question? Who cares what wallet you are using?
The only one caring should be someone who cares about you. And lying to them is... not a nice thing to do..

P.s. Web wallets are horrible. There is not a single good reason to use them. You should consider switching to a real wallet.

HCP

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Depending on the service the sender used, you can often (but not always) tell if someone has sent from an exchange or other custodial-type service... as your transaction will be "batched" up and included in a "Pay2Many" type transaction (ie. 1 or 2 very large value inputs and then 10s/100s of smaller outputs). However, even a scenario like this is not "100% guaranteed", as software like Electrum and even Bitcoin Core allow users to send "Pay2Many" transactions... and some online services don't batch transactions.

Sometimes, it is possible to lookup the spending addresses on walletexplorer.com and you will see the name of the exchange/website (for the bigger, more popular ones).

But in general, it's pretty much impossible to identify with any real certainty what wallet a transaction originated from...

May I ask, why you want to know and/or care? Huh

Abdussamad

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Quote from: ranochigo on January 22, 2021, 12:36:36 AM

Looking at the raw transaction, no. You'd have to probably do an indepth analysis of the spending behaviour. There could be some behaviours that could give clues to what kind of wallet it is. It's by no means accurate though. For example, a transaction without opt-in RBF and with a legacy address could be a Blockchain.com wallet but it could also be someone intentionally disabling opt-in RBF or just spending from an old Bitcoin Core client.

You can also spend Segwit inputs together with P2SH(3...) or P2PKH(1...) inputs on most wallets so a transaction won't be indicative of what kind of wallet it is primarily.

electrum doesn't let you mix and match address types except for imported private keys. usually you can tell which address is the change address and which one is the recipient's.

as for other things they usually stick to bips. for example lexicographic ordering:

https://en.bitcoin.it/wiki/BIP_0069

Charles-Tim

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I too will suggest you to use electrum for bitcoin because it is one of the best wallet to save bitcoin, but why are you asking such a question? In my opinion, someone can only guess if you send from a particular wallet, the guess can be correct or completely wrong because there is no evidence they will have to know the wallet you sent from because there are many Bitcoin wallets that are existing and the wallets sent from is not included on blockchain.

Quote from: ranochigo on January 22, 2021, 12:36:36 AM

Looking at the raw transaction, no. You'd have to probably do an indepth analysis of the spending behaviour. There could be some behaviours that could give clues to what kind of wallet it is. It's by no means accurate though. For example, a transaction without opt-in RBF and with a legacy address could be a Blockchain.com wallet but it could also be someone intentionally disabling opt-in RBF or just spending from an old Bitcoin Core client.

Yes, not accurate especially if the transaction does not support RBF because there are many wallet that do not support RBF while the RBF can be disabled on the wallets that support it, also there are many wallets that support legacy addresses which also not supporting RBF.

ranochigo

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Quote from: 1mBPM on January 22, 2021, 01:12:10 AM

So in other words, i probably can send btc from a blockchain wallet and still claim that i have used electrum? There is no way to be 100% sure that im using a blockchain wallet right?

Yes, Blockchain.com actually do have a lot of features missing so that could leave some clues but it won't be concrete. Though I'm not sure why that would be an issue at all. I don't use Blockchain.com wallet as the features that it has pales in comparison to Electrum. Consider switching to Electrum nonetheless.

1mBPM

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Quote from: ranochigo on January 22, 2021, 12:36:36 AM

Looking at the raw transaction, no. You'd have to probably do an indepth analysis of the spending behaviour. There could be some behaviours that could give clues to what kind of wallet it is. It's by no means accurate though. For example, a transaction without opt-in RBF and with a legacy address could be a Blockchain.com wallet but it could also be someone intentionally disabling opt-in RBF or just spending from an old Bitcoin Core client.

You can also spend Segwit inputs together with P2SH(3...) or P2PKH(1...) inputs on most wallets so a transaction won't be indicative of what kind of wallet it is primarily.

Ok thank you so much Ranochigo ! Im really grateful for your reply !

So in other words, i probably can send btc from a blockchain wallet and still claim that i have used electrum? There is no way to be 100% sure that im using a blockchain wallet right?

ranochigo

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Looking at the raw transaction, no. You'd have to probably do an indepth analysis of the spending behaviour. There could be some behaviours that could give clues to what kind of wallet it is. It's by no means accurate though. For example, a transaction without opt-in RBF and with a legacy address could be a Blockchain.com wallet but it could also be someone intentionally disabling opt-in RBF or just spending from an old Bitcoin Core client.

You can also spend Segwit inputs together with P2SH(3...) or P2PKH(1...) inputs on most wallets so a transaction won't be indicative of what kind of wallet it is primarily.

1mBPM

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If i send someone btc, can they see what kind of wallet i use?

Can they tell for example if i use a blockchain wallet or electrum?

From what little i understand depending on adress format they can only see if i use legacy or segwit wallet, nothing more than that. Is this true?

Thanks guys i really need some quick help here !

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