So, let's say I have an offline PC with Core that never connected to the internet. If I send 1 BTC to my address, how exactly can Core know the UTXO?

That's very likely just a false-positive. I downloaded the file from the website, scanned and got the same result.

Just make sure to download the file from electrum.org (which is the ONLY official website) and you will be fine.

Yes.

You can generate a QR compatible with Google Authenticator by using this URL and following this template:
https://chart.googleapis.com/chart?chs=200x200&chld=M%7C0&cht=qr&chl=otpauth://totp/TEXT-OF-THE-2FA?secret=SECRET-TOKEN

Example:
https://chart.googleapis.com/chart?chs=200x200&chld=M%7C0&cht=qr&chl=otpauth://totp/Coinbase?secret=F5DUIITYS72Y5CL4Q3GO5XKPRPTRTWSD

I don't have a Ripple wallet right now and looks like they require a reserve amount of 20 ripple to create your wallet (or something like this). So if you don't mind, you can send them to my Binance address and next week I may buy some more to hold.

That's what I see in Binance's deposit page: "Depositing Ripple to Binance requires BOTH a deposit address and a deposit Tag. If you fail to include the tag with your deposit the funds will be lost forever.".
(I don't know how difficult is to do this, so you don't need to send them If it's too much work for you)

XRP Address: rEb8TK3gBgk5auZkwc6sHnwrGVJH8DuaLh
XRP Deposit Tag: 108961721

That's a pretty neat idea! I would gladly participate in a platform like this. Not only for the tips, but because I really enjoy helping people who are starting in the cryptocurrencies world. Thank you again for the tips! That's actually the first time I got tipped.

Yes, it's possible if the wallet supports (Electrum does in this case) and the sender can use any kind of Bitcoin address.

You can.

In case you don't know how to export your private keys: https://decentral.zendesk.com/hc/en-us/articles/218375657-How-can-I-view-my-private-keys-

Then, just go to Electrum and choose: Import Bitcoin addresses or private keys -> Paste your private-key(s) -> Next.

I don't know as I don't use their wallet.

I've tried to do some research but I can't find an answer (and I'm too lazy to test myself).

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You can ask in their thread if you want: https://bitcointalk.org/index.php?topic=1572823.0

The only ones I know with full support (overview page, address shown in transactions, ...) for bech32 addresses are https://btc.com and https://blockchair.com

How about Altpocket.io?

You can automatically import your trades from the supported exchanges and see for how much you bought each coin (in USD and BTC) and how much you profited or lost for each investment. In your profile, you can see your net worth, overall profit, and how much you lost or profited in each investment. It's Blockfolio but better and automatic.

Here is how a profile looks like: https://altpocket.io/user/Erik

Because you need to import the address private-key into a new wallet file. Instead, you created a brand new wallet with a new and random Bitcoin address (which is empty).

To see the address balance, you only need to know the address itself (watch-only). But to spend their coins, you WILL need the private-key.

How did you create your watch-only wallet? From where did you get the address to create it? And do you know the private-key?

I don't have any BCH atm.

I'm 100% that the address is correct: 1NinjabXd5znM5zgTcmxDVzH4w3nbaY16L
I also have this one which has a few satoshis on it (of BCH): 3DrtnT916Lzg2uicoJFLHAsef8XBdtiHUk

Try to do like this guy said (enable and use the BCH app): https://www.reddit.com/r/Bitcoincash/comments/7guvyv/sending_failed_ledger_nano_s_bitcoin_cash_error/dqmhotr/

Nope. Look at the bottom of the page. Any reasons on why you kept extending the session instead of saving the private keys?

Or just use this all-in-one tool which supports BTC, BCH, BitCore, BTG and BCD.

https://bitcore.cc/checker.php

Here is how it looks like:

Direct link: https://talkimg.com/images/2023/05/14/blobc8266cfa5d32e83b.png

Have you tried to use the first tab (that has the QR code) and click the "Open in wallet" button? I did this and it opened my Electrum wallet with everything already filled (address and amount).

Edit: I just tested with Core installed and the same happened. It opened my Core wallet with everything ready to be sent.

[1] https://twitter.com/MercatoxCom/status/948257495960702976

Use this[1] website if you want to calculate how much fees it's recommended to pay for your transactions. It's IMO a little bit more user friendly than the website above.

[1] https://coinb.in/#fees

Does your link look like this? bitcoin:?r=https://bitpay.com/i/Pg6Kwq...
Edit: Image wasn't showing...

Looks like this is part of a new Bitpay update that uses Payment Protocol URL instead of a simple Bitcoin payment address. Which is IMO something pretty dumb.

I'm not sure if there is any way to get the address directly. But that's what Bitpay has to say:
Source: https://blog.bitpay.com/payment-protocol/

TenX is also not available for users outside the EU. However, they have lower fees (0% Foreign Exchange Fee), a better support, and they only support BTC but are currently beta testing ETH, ERC20 tokens and DASH.

Almost (if not all) exchanges will require verification if you want to deposit USD and buy using an USD pair. The easiest way would be to buy BTC (E.g: with Localbitcoins, which is anonymous and doesn't require verification) and send them to Binance (doesn't require verification aswell) to buy your XRP. If you still don't want to buy BTC and then trade, you will need to verify your accounts in those exchanges (and probably wait a little bit).

That's weird... I actually had some BCH during the fork in this address, so I'm pretty sure it should work. Do you get any error message while trying to send the BCH? And is this only happening when you try to send them to my address?