BitOasis: Buy Bitcoin & CryptoLatest release: 3.0.11 ( 9th January 2023 ) 🔍 Last analysed 15th November 2021 . Custodial: The provider holds the keys
As the provider of this product holds the keys, verifiability of the product is not relevant to the security of the funds!
As part of our Methodology, we ask:
Is the product self-custodial?If the answer is "no", we mark it as "Custodial: The provider holds the keys".
A custodial service is a service where the funds are held by a third party like the provider. The custodial service can at any point steal all the funds of all the users at their discretion. Our investigations stop there.
Some services might claim their setup is super secure, that they don’t actually have access to the funds, or that the access is shared between multiple parties. For our evaluation of it being a wallet, these details are irrelevant. They might be a trustworthy Bitcoin bank and they might be a better fit for certain users than being your own bank but our investigation still stops there as we are only interested in wallets.
Products that claim to be non-custodial but feature custodial accounts without very clearly marking those as custodial are also considered “custodial” as a whole to avoid misguiding users that follow our assessment.
This verdict means that the provider might or might not publish source code and maybe it is even possible to reproduce the build from the source code but as it is custodial, the provider already has control over the funds, so it is not a wallet where you would be in exclusive control of your funds.
We have to acknowledge that a huge majority of Bitcoiners are currently using custodial Bitcoin banks. If you do, please:
- Do your own research if the provider is trust-worthy!
- Check if you know at least enough about them so you can sue them when you have to!
- Check if the provider is under a jurisdiction that will allow them to release your funds when you need them?
- Check if the provider is taking security measures proportional to the amount of funds secured? If they have a million users and don’t use cold storage, that hot wallet is a million times more valuable for hackers to attack. A million times more effort will be taken by hackers to infiltrate their security systems.
Help spread awareness for build reproducibility
Please help us spread the word discussing the risks of centralized custodians with BitOasis: Buy Bitcoin & Crypto via their Twitter!
Do your own research!
Try out searching for "lost bitcoins", "stole my money" or "scammers" together with the wallet's name, even if you think the wallet is generally trustworthy. For all the bigger wallets you will find accusations. Make sure you understand why they were made and if you are comfortable with the provider's reaction.
The Analysis ¶
While this might be a good thing:
- External Custodians are usually highly specialized in securing assets
- External Custodians will care about fixing issues with one client, to not lose others
- External Custodians are usually registered businesses under regulatory oversight
- External Custodians will try to protect your funds even from your wallet provider: With fraud detection, they will certainly try to avoid the emptying of all users' wallets at once
- External Custodians are extra intermediaries: Even when the wallet provider wants to let you use your money, they might turn out to be uncooperative
- External Custodians holding custody of many wallets are interesting targets for hackers and thieves
- External Custodians, being publicly registered will not be able to resist if in their jurisdiction rules on the use of Bitcoin get tightened
As External Custodians usually don't publish lists of companies they are working with and past information might be outdated, we have no way of assuring claims by wallet providers to be using their custody solution. Please let us know if you found proof that the provider is being dishonest about their business relation to External Custodians!
From its Google Play description:
With BitOasis, you can buy digital assets safely and securely. Deposit fiat (AED) through your personal debit or credit card.
It further describes itself as:
the Largest Digital Asset Exchange in the Middle East
As this app is a centralized exchange it is likely to be custodial. Furthermore, from the “About Us” page:
The services currently offered by BitOasis are as follows:
- A Bitcoin (BTC) wallet with multi-signature technology for long-term storage of Bitcoin (BTC).
- A platform for basic buying/selling of digital assets (referred to as the “BitOasis Core”).
- A platform for trading in digital assets (referred to as the “BitOasis Pro”).
- A platform that facilitates sending and receiving digital assets.
- A platform that facilitates online and offline storage of clients’ digital assets.
- A platform that facilitates the liquidation of digital assets as Fiat (AED)
With this information it appears you can send/receive and store your BTC under the custody of this platform.
In the Section 23 of the FAQ,
How secure are my digital assets on BitOasis?
Our wallet uses multi-signature technology to secure your bitcoins. With our multi-signature wallet, you will need 2 of your 3 private keys to move or spend any bitcoins. This provides an extra level of security to make sure your funds will not be compromised if one of your private keys is.
Your wallet private keys are three. You and BitOasis have access to one of those keys. As BitOasis, we do not have access or control over the 2 remaining keys and by that, we do not have control over any of our customers’ bitcoins. The second key is held by BitGo, a third-party security company. The third key, or the Recovery key, is a backup for emergencies and is secured under the supervision of an independent law firm that our customers can reach out to in case of any service compromise.
As third parties have the 2of3 quorum - BitGo and “an independent law firm” - and you don’t have it, we qualify this product as custodial and thus not verifiable.
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