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Author Topic: Lost smartphone with Coinomi wallet and private keys?  (Read 131 times)
zxbit
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March 15, 2021, 12:01:28 PM
 #1

If someone will get access to my Coinomi wallet on Android 10 they can get access to my private keys? I mean if this someone have understanding of situation and get access full hardware access to my Android 10 smartphone storage.
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March 15, 2021, 12:08:56 PM
Merited by bitmover (1)
 #2

If someone will get access to my Coinomi wallet on Android 10 they can get access to my private keys? I mean if this someone have understanding of situation and get access full hardware access to my Android 10 smartphone storage.

It's possible but he would need to unlock and break your phone password (if you have it like you should) and break password for your Coinomi wallet, than he could in theory extract your private keys.
Always have good password protection and enable phone encryption in settings, but I would never keep a lot of coins on mobile it should be more as a pocket money.
In case you lose your phone you should import keys to other wallet and send funds to other wallet address asap.

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March 15, 2021, 12:13:09 PM
Merited by bitmover (1)
 #3

Looks like Android 9, 10 has encrypted storage by default. This is good news.
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March 15, 2021, 12:23:13 PM
Merited by The Pharmacist (3)
 #4

First of all, I will like you to know that Coinomi is now a close source wallet some years back, but is one of the best close source wallet, although close source wallet can not be trusted nor recommendable. I was using Coinomi before and so conversant with ways to protect my wallet if my mobile phone or device is stolen.

1. The first layer of protection is to password your phone, anytime you want to use your phone, it will need the password.
2. The second layer of protection is to password Coinomi wallet itself, anytime you want to open the wallet, it will ask for the Coinomi password.
3. The third layer of protection is to encrypt your wallet with a password in a way anytime you want to spend from Coinomi wallet, you will need to input the password.

Note: Never store your seedphrase, passphrase and passwords on device, having it offline is better.





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March 15, 2021, 01:29:40 PM
 #5

If someone will get access to my Coinomi wallet on Android 10 they can get access to my private keys? I mean if this someone have understanding of situation and get access full hardware access to my Android 10 smartphone storage.


If this person can unlock your phone and open your Coinomi app, he can just open the App and view the seed. This can be done at anytime using coinomi.


If you believe someone might have done something like that, you should straight away move your coins to a new Coinomi wallet, with a fresh new Seed.

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March 16, 2021, 07:22:45 PM
 #6

If someone will get access to my Coinomi wallet on Android 10 they can get access to my private keys?
Possible, but as for the technology used in coinomi wallet, hackers won't mind getting your private keys, they just need your recovery seed in able them to access your funds, which can be access on your coinomi account. Only possible if you didn't set a security to coinomi app.

In case of phone lost, import your recovery seed to a new installed coinomi app and transfer your funds to a new wallet asap to avoid lossing funds.

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March 20, 2021, 10:43:18 AM
 #7

If someone will get access to my Coinomi wallet on Android 10 they can get access to my private keys?

If they gain access to your coinomi wallet, i.e. access to the wallet application on your device? Then definitely, yes.



I mean if this someone have understanding of situation and get access full hardware access to my Android 10 smartphone storage.

That's a tough question.
The storage is encrypted, by default.

If you have an older model, some vulnerabilities might exist which allows to extract the master key.
If the device is running (and decrypted) when someone gains access to it (i.e. it is booted and has been unlocked once by you), then a cold-boot attack might be possible where the whole device is cooled down, memory extracted and then directly accessed.
The latter one is a sophisticated attack and not achievable for a random person.


In general i'd say you are fine if the mobile is turned off. If it was turned on, the risk is higher but still low enough to not completely freak out if you don't store tons of crypto on it.
Definitely make sure to never use these keys again tho and move your funds away as soon as possible.

Don't store more money on a mobile wallet than you would carry with you in cash, and you are fine.

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April 09, 2021, 03:21:17 AM
 #8

Did you set up password while setting up wallet? If yes, they can't get to your seed without password.

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April 18, 2021, 09:04:03 AM
 #9

And if you didn't set that bip39 pass it's just a matter of days to get yoyr keys
The Pharmacist
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April 18, 2021, 02:39:52 PM
 #10

If this person can unlock your phone and open your Coinomi app, he can just open the App and view the seed. This can be done at anytime using coinomi.
This is why I don't store any crypto on my phone anymore, and I used to use Coinomi and Electrum for Android.  I tend to be a bit careless as far as keeping my phone secure, and if I had lost my phone when I had those wallets someone could certainly have taken all the funds off of them (not that I ever kept a huge amount on my phone).  I figured that it's just too damn easy to lose your phone that I didn't want to take a chance and quit using mobile wallets altogether.

but is one of the best close source wallet
Coinomi would be such a fantastic wallet if only its code were open-source.  I've never had any problems with them, but I can't say it doesn't make me just a little bit nervous knowing that the code hasn't been reviewed by any independent parties.  I guess I could say the same thing about Ledger, too. 

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April 18, 2021, 05:27:34 PM
 #11

Coinomi would be such a fantastic wallet if only its code were open-source.  I've never had any problems with them, but I can't say it doesn't make me just a little bit nervous knowing that the code hasn't been reviewed by any independent parties.  I guess I could say the same thing about Ledger, too. 
One thing about Ledger nano is that its secure element which it is using to generate and store seed phrase is close source, it is operated with an extension like the ledger live or wallet like electrum which is open source, some people still believe it can be trusted because of that, unlike wallets that spyware or other vulnerabilities can be introduced. But, also still very possible the secure element can have vulnerability in which predetermined seed phrase can be generated, that is why open source hardware wallet like Trezor is still better, but with the use of passphrase in case of physical theft.





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