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181  Bitcoin / Bitcoin Discussion / Re: Can you recommend reliable virtual credit card for paying bills. on: December 25, 2023, 08:13:50 AM
Can you recommend reliable virtual credit card for paying bills and maybe setting up paypal?

Does it have to be non-KYC? If so, then as far as I know there are none that you could link to your PayPal account. Also, if by "setting up paypal" you mean "verifying it" it needs to be a Visa. A MasterCard is not going to cut it.
182  Local / العربية (Arabic) / Re: ممكن افضل محفظة؟ on: December 24, 2023, 04:41:05 PM
هل هذا النوع من المحافظ لا يحتوي علي private key
اقصد انه هل من الممكن ان اي شخص يرسل العملات بدون وجود المحفظة ؟
وهل هذه القطعة سهل الحصول عليها في دولة مثل مصر؟
وماذا افعل لو فقدتها هل فقدت عملاتي كلها؟؟

لا يا أخي، لا يوجد محفظة لا تحتوي على ال private keys.
و نعم، أنت لا تحتاج الى أن يكون الجهاز متصلا بالحاسوب لكي تستقبل الأموال، ان كان هذا هو قصدك

لست أدري ما هي القوانين في بلدك، و ان كان سوف يسبب ذلك الأمر مشاكل لك، لكن يمكنك الشراء من الموقع الرسمي للشركة، فهي تشحن مباشرة لمصر.

عند تثبيتك للجهاز، سوف تتحصل على 12 (أو 24 كلمة) كما هو الحال مع محافظ الهاتف و الحاسوب، التي يمكنك لاحقا استخدامها لاسترجاع أموالك في حال خسارتك للجهاز.
183  Bitcoin / Hardware wallets / Re: Is Trezor wallets safe on: December 24, 2023, 04:22:37 PM
i dont really like metamask i have seen many peoples get hacked when they linking their trezor with metamask

Could you show some articles about that? I haven't come across any of them. No one can steal your funds without you authorizing the transaction from the device itself, be that using MetaMask or any other wallet.
184  Bitcoin / Hardware wallets / Re: Is Trezor wallets safe on: December 24, 2023, 03:58:37 PM
Just to add to the above regarding the altcoins support, you probably won't be able to use the Trezor suite (Trezor's native app) for much. If you want to deal with almost any network out there, you will need to link your wallet with MetaMask (desktop). The model T is also supported by Exodus.
185  Local / العربية (Arabic) / Re: ممكن افضل محفظة؟ on: December 24, 2023, 02:02:33 PM
أفضل طريقة لحماية نفسك سوف تكون دائما محافظ hardware مثل Trezor (Safe 3)

لكن عليك معرفة كيف تمت سرقة أموالك.

هل كانت عملية phishing?
هل في حاسوبك أو هاتفك فيروس؟
الخ

مثلا محافظ الهاردوير سوف تساعدك مع هذا النوع من الهجمات، لكن مازال تقع على عاتقك مسؤولية التأكد من العنوان (في شاشة الجهاز) عند الارسال.
186  Alternate cryptocurrencies / Altcoin Discussion / Re: Umable to transfer from Unstoppable Wallet on: December 24, 2023, 01:01:45 PM
As charles mentioned above. Whether you're using Polygon zkEVM, Linea, Arbitrum, Scroll or any other L2. You would need Ethereum on that specific chain, and not on the mainnet. If you do have the ETH in Optimism already, then in that case, you should probably open an issue on GitHub.
187  Bitcoin / Bitcoin Technical Support / Re: BTC Paper Wallet Recovery on: December 24, 2023, 07:00:31 AM
Hi everyone, sorry to revisit this old post but I wanted to ask for your expert opinions on whether my newly created paper wallet is safe to use. I've carried out the following steps:

1) Saved https://www.bitaddress.org/ as a html file and saved it to a freshly formatted USB stick
2) I have a PC with freshly installed version of Windows 10 - the PC has no Internet connection.
3) Opened the html file on the non-Internet PC and created the wallets.
4) Closed html file and deleted it from the USB stick.
5) Wallets saved on the USB stick and removed from PC
6) The laptop will never connect to the Internet.

For step 3, is it better to use the passphrase setting rather than the randomizer?

I'd appreciate your thoughts.

Thank you

1. You should've downloaded the source directly from GitHub.
2. I guess that works, but a liveCD with Linux would've been better probably.
3..6. Sounds good.


Are you talking about the characters you're asked to type when moving the mouse?
Or about the BIP38 (to encrypt the private keys)?

If the latter, then as far as I know, these two go hand in hand. You can't create and encrypt your wallet unless you go through the "randomness" process.
And yes, it's better to encrypt your wallet, that way if someone find a printed version of it, or gain access to the USB stick, they won't be able to move the funds unless they have your passphrase.
188  Bitcoin / Wallet software / Re: Sweeping paper wallet on: December 23, 2023, 03:44:57 PM
The new exodus does not allow one to sweep a private key... :S there is no settings button to do it any more.. I am trying to sweep a dogecoin wallet.

It still does actually but only for BTC which is what I assumed you have. See here: https://www.exodus.com/support/article/87-can-i-import-a-private-key

For dogecoin, maybe you can try to see if Coiniomi supports that? I know they have a sweep feature just not sure for which coins.
189  Bitcoin / Wallet software / Re: Sweeping paper wallet on: December 23, 2023, 03:34:09 PM
Does any phone wallet support this anymore??  Is there a way to convert a private key to a seed phrase..?

AFAIK, multiple wallets still do. Electrum should be one of them. Exodus also allows you to sweep a private key from a paper wallet, and it also supports BIP39 (in case you have it encrypted).

This is not going to "convert" the private key to a seedphrase though. You have to create a standard wallet first, and when you sweep, the funds will be sent from the private keys/paper wallet address to that wallet.
190  Local / العربية (Arabic) / Re: اريد منصة تعطي عنوان سيجوايت للبيتكوين on: December 22, 2023, 08:07:11 AM
أنا لا أنصحك باستخدام المنصات لاستقبال المدفوعات من حملات التوقيع، لأنه ان قدر الله و قررت المنصة عدم دعم بلدك و جعل توثيق الحساب ضروريا أو بكل بساطة قررت المنصة تحديث محافظها و استبدال كل العناوين بعناوين جديدة فسوف تجد نفسك ملزما بتغيير العنوان في الحملة و هو الأمر الذي يمكنك فعله بطبيعة الحال، لكن عن تجربة، سوف يطلب منك توقيع رسالة عن طريق العنوان القديم، و هو الأمر الذي لن يمكنك فعله بمأن المنصة هي التي تمتلك المفاتيح الخاصة لذلك العنوان.

و في حال لم تملك أي طريقة أخرى، فعلى الأقل تأكد من أنك قادر على توقيع رسالة من عنوان قديم قمت بمشاركته في المنتدى من قبل. كما أرى أنه من الأفضل ذكر أنك بصدد استخدام عنوان من منصة لمدير الحملة، لتفادي أي سوء تفاهم لاحقا.
191  Local / العربية (Arabic) / Re: هل هناك طريقة لتخفيض رسوم البيتكوين on: December 22, 2023, 07:24:31 AM
-snip-
بصراحة لم أفهم معنى ذلك تماما، ما هي خاصية coin control وكيف يمكن استعمالها وهل هي موجودة في محفظة إلكتريوم؟

نعم محفظة الكتروم تدعم هذه الخاصية، أعتقد أنها مع Sparrow wallet تعتبر الوحيدتان اللتان تدعمان هذه الخاصية.

هذه الخاصية عادة ما تستخدم للخصوصية، أكثر من ما يخص الرسوم، لكن يمكنك استخدامها كما ذكر الأخد خالد أيضا. لا أتذكر ما اذا كانت عندنا مواضيع مماثلة في القسم العربي لكن يمكنك الاطلاع على هذه المقالات/المواضيع[1][2][3] (المرة القادمة التي يحدث فيها شئ مماثل)

[1] https://bitcointalk.org/index.php?topic=2848987.0
[2] https://bitcointalk.org/index.php?topic=5452925.0
[3] https://bitcoinelectrum.com/how-to-spend-specific-utxos-in-electrum/

192  Economy / Service Discussion / Re: Hosting companies that don't ask for KYC? on: December 21, 2023, 05:34:50 PM
Namecheap is a good one. I have bought multiple domains, and a couple of hostings before, and I was never asked to verify my identity. I still use them to this day.

The same thing applies to Vultr, I never had any issues with them but I did see a couple of users here saying they did ask them for personal info before.
193  Local / العربية (Arabic) / Re: هل هناك طريقة لتخفيض رسوم البيتكوين on: December 20, 2023, 01:30:06 PM
كما ذكر الاخوة، لا يوجد أي حلول جيدة.

نصيحتي، ان كنت سوف تقبل أي مدفوعات في المستقبل، هي أن تقبلها في حسابك الخاص لمنصة بينانس أو OKX مباشرة، بهذه الطريقة يمكنك فيما بعد تبديلها لأي عملة برسوم أقل، أو السحب مباشرة عن طريق شبكة البرق أو حتى ربما الارسال مباشرة الى مستخدم اخر في المنصة من دون استخدام أي رسوم.

بطبيعة الحال، الابقاء على أموالك خاصة و ان كان المبلغ كبير في منصة، لا يعتبر بالفكرة الجيدة..
194  Economy / Service Discussion / Re: Revolut bitcoin deposit on: December 18, 2023, 04:44:05 PM
https://www.coindesk.com/policy/2023/12/18/revolut-to-suspend-uk-crypto-services-citing-fcas-new-ad-rules-cityam/

So after being delisted from Binance, it looks like they now decided to stop offering their crypto services for their "Revolut business" clients. With pretty much every crypto platform withdrawing from the UK, I doubt Revolut would be able to continue offering their crypto services for individuals either.
195  Economy / Service Announcements / Re: Coinsbee.com - Buy gift cards with 200+ crypto currencies and for 2000+ Brands! on: December 18, 2023, 09:28:51 AM
Do your prepaid credit cards work well in the European Union?
-snip-

They should work fine but you can find a list of "prohibited countries" on the card's FAQ page. Keep in mind that these cards do require ID verification, unlike the ones they used to provide some time back.
196  Bitcoin / Hardware wallets / Re: Think i have lost all my bitcoin :( on: December 16, 2023, 08:08:16 PM
Yes you need to add the custom word that you use to extend the seed. Without it you will be getting a total new different wallet, it works like a passphrase. The extended seed in electrum is basically to create multiple wallets from one seed phrase with just different custom word at the end.

I'm aware of that but I'm asking about the "connection process" between Ledger and Electrum/Sparrow. Do you actually need any of that instead of just plugging and authorizing the connection from the device?
197  Bitcoin / Hardware wallets / Re: Think i have lost all my bitcoin :( on: December 16, 2023, 06:51:34 PM
Someone correct me if I'm wrong here, but even if you had an extended seed phrase, I don't believe you need to use that when you're trying to open the wallet using Electrum or Sparrow.

Are you sure you selected the correct account type (legacy) when linking your wallet?

Something else I'm not sure I understood is regarding the "dust amount". So you can see this small amount in Sparrow, Electrum, and even in Ledger, but the difference is that Ledger also shows the 1.7 BTC which you say you can't spend? It would help if you could share a screenshot (by uploading it to an image provider) of the error you're getting.
198  Local / العربية (Arabic) / Re: حادثة محفظة الهاردوير الشهيرة ليدجر!!! on: December 16, 2023, 03:36:45 PM
ماذا تعني ب air-gapped ؟

يعني أي جهاز غير متصل بالأنترنت، Bluetooth أو NFC أو وسيلة لا سلكية أخرى.

صراحة مازلت أرى أن Trezor مازال أفضل خيار خاصة الأن بعد اطلاقها للنسخة للجديدة لمحفظتها (Trezor Safe 3) الذي يحتوي على Secure element[1]

[1] https://trezor.io/learn/a/secure-element-in-trezor-safe-3
199  Bitcoin / Wallet software / Re: Should i change my BTC Wallet Address ? on: December 15, 2023, 05:51:48 PM
I'm not sure that would necessarily help though? I'm not an expert on KYT (Know your transaction) but from my understanding of things, even changing the address, may not help? otherwise, how come they could detect malicious activities if that's really all they do, just check the direct transactions?
200  Bitcoin / Electrum / Re: Receiving a Big Payment made to my Electrum Wallet on: December 14, 2023, 05:42:14 PM
He's definitely trying to scam you. You shouldn't send him any funds. No wallet or exchange would ever ask you to send such a ridiculous amount of money (or any amount really) to "verify" your account. I'm guessing whatever Electrum wallet you are using was not downloaded from Google play or from the official site either? https://electrum.org/
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