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1  Bitcoin / Bitcoin Technical Support / Set up Bitcoin Core v0.21.1; incoming connection 0 on: September 17, 2021, 04:26:27 PM
I set up Bitcoin Core v0.21.1, did the initial block download and is now up to date at block 700,954. However, I see no incoming connections.

I'm not running vpn. I have bitdefender firewall on my computer that is allowing both way connection over any network.

My bitcoin.conf is set with maxconnections=20 and maxuploadtarget=3000 to limit bandwidth use.

Number of connections says 0 in and 10 out (I thought only 8 were allowed out?).

I'm unsure about this terminology. Is outgoing connection for me to get new block information from other nodes and is incoming connection for me to broadcast my own transactions out there if I were to use my full node with my hardware wallet?

Help is appreciated. Thanks.
2  Alternate cryptocurrencies / Altcoin Discussion / Re: I am now almost a billionaire because of Vitalik on: August 13, 2017, 11:31:01 PM
Quote from: evergrow on August 12, 2017, 05:05:02 PM
I've been following Vitalik's advice for a couple years now and I am now close to being a billionaire in FIAT worth because of Vitalik

Thank you Vitalik I like Crypto

Disclaimer: there is still some left for me to become a billionaire but I am on the way

What advice of Vitalik's have you followed? Where do you find them?
3  Bitcoin / Bitcoin Discussion / Re: Is my method of storing cryptos safe? on: July 18, 2017, 04:39:16 AM
Quote from: cafucafucafu on July 18, 2017, 04:27:19 AM
Quote from: cryptogalaxy on July 18, 2017, 02:57:39 AM
Hi,

This is my first post here. I'm not sure if this is the right forum to ask. If not, please feel free to move it.

I don't have a hardware wallet. I use Electrum and other similiar wallets on my desktop computer which never leaves my house. I make sure to always save the individual wallet files on a usb stick offline so there are no copies of the wallet files on the computer. The wallet files are also encrypted which I decrypt each time I need to access it. I don't use the usb stick for any other purpose other than storing and accessing cryptos and it stays offline when not in use.

1. Is this a pretty safe way of storing cryptos?

2. Does accessing wallet files via usb stick leave some sort of a trail or a temporary copy of the wallet files on the hard drive somehow that a hacker can later access? I don't move the files to the hard drive, I just open the files directly from the usb drive.

3. I have a paid antivirus software and a firewall on my computer. I checked for every way I know but did not find any indication of malware or hacking so hopefully, my computer is currently safe. However, if it were hacked unknown to me, the only way the hacker could steal my coins would be to catch me at the exact moment that I access my coins from the usb and watch my keystrokes for decryption passwords of my wallet files and also make a copy of my wallet files during the short duration of time that I'm accessing my wallet before unplugging the usb. Is this correct? Can a hacker possibly do all this such as copying a file from my usb drive while it's plugged in and send it to his personal machine? If so, would this be about the only case where a hardware wallet is safer than my method? My understanding is that the decryption part happens on the airgapped hardware device itself so even if the computer is hacked, the hacker would not have access to the wallet file nor the decryption password. Is this correct?

Thanks.

This method is fairly safe, and the method I use to store a bit of my bitcoin, the bitcoin that I use regularly since electrum is super convenient and lightweight. It really doesn't matter how many antiviruses you have and how long your password is. I would totally recommend you using cold storage if you have a lot of Bitcoin. You could use a paper wallet (a document that holds your private keys) or a hardware wallet (Would recommend using ledger wallet or a trezor). They are probably the most popular versions of cold storage.

Thanks. My understanding of the paper wallet is that they are safe when storing but inconvenient and vulnerable when trying to use. For example, i heard one way to use btc paper wallet is by typing in the private keys into a blockchain.info wallet. If your computer is hacked, wouldnt this be a huge risk? This makes me think a hardware wallet is the safest method of storage and usage but still not sure that is foolproof.
4  Bitcoin / Bitcoin Discussion / Re: Is my method of storing cryptos safe? on: July 18, 2017, 04:31:23 AM
Thanks for your advice. I do take them very seriously. I have been thinking of getting the ledger wallet for a while now but wasnt sure if it was absolutely necessary. I also liked the idea of creating my own cold storage wallet (usb stick) but wasnt sure how safe that was. It sounds like i really should get a hardware wallet. Rigt now ledger nano s seems to be in backorder till september but there is the more expensive and more convenient looking ledger blue. Is this one just as safe as ledger nano s? Are these devices 100% safe?

I am a very cautious person by nature and i even worry about things like somebody possibly guessing my seed word correctly. Is this a far remote possibility given such enormous number of possible permutations? Is this essentially as impossible as guessing someones private keys or breaking an aes 256 encryption? I have heard stories like some wallets like Jaxx getting hacked just by hackers cracking the seed words correctly and stealing coins without even having any contact with the owners computer. As i understand, ledgers have seed words too. How are they different from Jaxxs and are they 100% safe?

Thanks in advance.
5  Bitcoin / Bitcoin Discussion / Is my method of storing cryptos safe? on: July 18, 2017, 02:57:39 AM
Hi,

This is my first post here. I'm not sure if this is the right forum to ask. If not, please feel free to move it.

I don't have a hardware wallet. I use Electrum and other similiar wallets on my desktop computer which never leaves my house. I make sure to always save the individual wallet files on a usb stick offline so there are no copies of the wallet files on the computer. The wallet files are also encrypted which I decrypt each time I need to access it. I don't use the usb stick for any other purpose other than storing and accessing cryptos and it stays offline when not in use.

1. Is this a pretty safe way of storing cryptos?

2. Does accessing wallet files via usb stick leave some sort of a trail or a temporary copy of the wallet files on the hard drive somehow that a hacker can later access? I don't move the files to the hard drive, I just open the files directly from the usb drive.

3. I have a paid antivirus software and a firewall on my computer. I checked for every way I know but did not find any indication of malware or hacking so hopefully, my computer is currently safe. However, if it were hacked unknown to me, the only way the hacker could steal my coins would be to catch me at the exact moment that I access my coins from the usb and watch my keystrokes for decryption passwords of my wallet files and also make a copy of my wallet files during the short duration of time that I'm accessing my wallet before unplugging the usb. Is this correct? Can a hacker possibly do all this such as copying a file from my usb drive while it's plugged in and send it to his personal machine? If so, would this be about the only case where a hardware wallet is safer than my method? My understanding is that the decryption part happens on the airgapped hardware device itself so even if the computer is hacked, the hacker would not have access to the wallet file nor the decryption password. Is this correct?

Thanks.
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