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Author Topic: AirGap wallet- Self custody made simple and secure - Protect your crypto offline  (Read 2538 times)
Pearson12 (OP)
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November 23, 2021, 12:05:07 PM
 #41



There are several different types of Bitcoin clients. The most secure are full nodes like Bitcoin Core, but full nodes are more resource-heavy, and they must do a lengthy initial syncing process. As a result, lightweight clients with somewhat less security are commonly used.
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December 02, 2021, 09:09:39 AM
 #42

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December 09, 2021, 06:25:21 AM
 #43



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December 16, 2021, 12:24:00 PM
 #44




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January 10, 2022, 04:26:14 PM
 #45





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January 20, 2022, 10:34:56 AM
 #46



dkbit98
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January 20, 2022, 09:47:51 PM
 #47

I see that Shamir Shares are available in AirGap wallet, but is this compatible with Trezor and Keystone Shamir scheme?
Big disadvantage for AirGap is that you don't support multisig, but I see that it's coming soon.
One more problem I see with AirGap is Android OS and all various versions and stores, I don't know what oldest Android OS is supported by AirGap, but it is limited with that.
I can't install and test AirGap on my android phone with older Android OS version Tongue

PS
You may want to update your discord link on that medium article, it's showing Invalid Invite error message.

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January 22, 2022, 07:45:39 PM
 #48

I don't know what oldest Android OS is supported by AirGap,
Both of them [wallet and vault], support Android Lollipop [5.0] and up.

I can't install and test AirGap on my android phone with older Android OS version Tongue
If "only" one of your phones is suffering from an old Android version, you can try the "web version" as well.

You may want to update your discord link on that medium article, it's showing Invalid Invite error message.
The same goes for the other discord link in OP!
- For those that are interested to join, "this link" works [screenshot].

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January 22, 2022, 07:57:55 PM
 #49

Both of them [wallet and vault], support Android Lollipop [5.0] and up.
Old device I have is before Android 5 Lollipop version, I think it's something like 4.4 and it can't be upgraded anymore or flashed with different operating system.

I didn't know that Airgap web version exists, but I see that it is somehow connected with ledger hardware wallet, that defeats the purpose of using Airgap wallet.

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January 24, 2022, 06:00:16 PM
 #50

I didn't know that Airgap web version exists, but I see that it is somehow connected with ledger hardware wallet, that defeats the purpose of using Airgap wallet.
You're right [not sure how I missed that part when I posted that link the other day], but I don't think that completely defeats the purpose of using the AirGap Wallet, since you still have the option to "sign the transaction with the AirGap Vault app [from an offline device]"!

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January 25, 2022, 03:09:21 PM
Last edit: January 25, 2022, 03:39:13 PM by Pearson12
 #51




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January 25, 2022, 03:31:04 PM
 #52

Hey, Thanks for the feedback.

I see that Shamir Shares are available in AirGap wallet, but is this compatible with Trezor and Keystone Shamir scheme?

No

Trezor and Keystone use SLIP-39. The disadvantage of this scheme is that it is not compatible with BIP-39, so it is not possible to have a "single mnemonic representation" of a SLIP-39 secret. Our shamir shares are compatible with BIP-39, so it is possible to have both a single mnemonic and shamir shares. In the near future we are planning to use the SSKR standard, which is inspired by SLIP-39, but adds BIP-39 compatibiltiy: https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-011-sskr.md


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January 25, 2022, 07:45:29 PM
 #53

Trezor and Keystone use SLIP-39. The disadvantage of this scheme is that it is not compatible with BIP-39, so it is not possible to have a "single mnemonic representation" of a SLIP-39 secret. Our shamir shares are compatible with BIP-39, so it is possible to have both a single mnemonic and shamir shares. In the near future we are planning to use the SSKR standard, which is inspired by SLIP-39, but adds BIP-39 compatibiltiy: https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-011-sskr.md
I understand that both Trezor and Keystone are using Shamir scheme that is connected with SLIP-39, but I could always recover this if I lose one of the wallets, or one of them stop productions and shuts down servers.
What happens if Airgap wensite or app is down and servers gone?
I think that compatibility with other wallets is extremely important for something like this.

Unfortunately,  we only support android v5 and above.
This means that in future even Android version 5 won't be supported with new updates, so I would have to use some new phone device, and I don't like this.
I do understand there are some limitations with writing code for older versions, but newer phones have their own disadvantages.

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January 26, 2022, 08:44:07 AM
Merited by dkbit98 (1)
 #54

I understand that both Trezor and Keystone are using Shamir scheme that is connected with SLIP-39, but I could always recover this if I lose one of the wallets, or one of them stop productions and shuts down servers.
What happens if Airgap wensite or app is down and servers gone?
I think that compatibility with other wallets is extremely important for something like this.

AirGap Vault does not connect to any servers, ever. So there is nothing we can shut down from our side that would stop the app from working. The code of our shamir implementation is open source, so even if we take down our website and github, the code will still be available in forked repositories. If you are concerned about this, you can also create a local copy of the entire source code.

We agree that standards should be used whenever possible, but our implementation pre-dates the final SLIP-39 standard. At the time, there was no standard available. Today, because of the SLIP-39 shortcomings, we are planning to use SSKR, which was introduced by blockchain commons and will hopefully be the new standard going forward and replace SLIP-39 in the long run.
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February 01, 2022, 03:01:13 PM
Last edit: February 10, 2022, 03:31:50 AM by Pearson12
 #55

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February 10, 2022, 03:32:48 AM
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February 15, 2022, 12:31:39 PM
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February 17, 2022, 02:23:46 PM
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February 21, 2022, 01:05:27 PM
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February 28, 2022, 05:05:23 AM
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