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Thanks. I just downloaded the defaults from the downloads page. Seems like an update is needed, so things work without the messing around. I'm unsure what to do and have run out of time.
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Thank you, I overlooked the mention of clicking back to the Download page for the verification links. Ran the steps, however working out the following errors now: Mac:Downloads macUser$ ls
Bitcoin-Qt.app SHA256SUMS.asc
SHA256SUMS bitcoin-27.0-x86_64-apple-darwin.zip
Mac:Downloads macUser$ shasum -a 256 --ignore-missing --check SHA256SUMS
Unknown option: ignore-missing
Type shasum -h for help
Mac-mini:Downloads macminiosx10$ shasum -a 256 --check SHA256SUMS
shasum: bitcoin-28.0-aarch64-linux-gnu-debug.tar.gz:
bitcoin-28.0-aarch64-linux-gnu-debug.tar.gz: FAILED open or read
shasum: bitcoin-28.0-aarch64-linux-gnu.tar.gz: No such file or directory
bitcoin-28.0-aarch64-linux-gnu.tar.gz: FAILED open or read
shasum: bitcoin-28.0-arm-linux-gnueabihf-debug.tar.gz: No such file or directory
bitcoin-28.0-arm-linux-gnueabihf-debug.tar.gz: FAILED open or read
shasum: bitcoin-28.0-arm-linux-gnueabihf.tar.gz: No such file or directory
bitcoin-28.0-arm-linux-gnueabihf.tar.gz: FAILED open or read
shasum: bitcoin-28.0-arm64-apple-darwin.zip: No such file or directory
bitcoin-28.0-arm64-apple-darwin.zip: FAILED open or read
shasum: bitcoin-28.0-arm64-apple-darwin-unsigned.tar.gz: No such file or directory
bitcoin-28.0-arm64-apple-darwin-unsigned.tar.gz: FAILED open or read
shasum: bitcoin-28.0-arm64-apple-darwin-unsigned.zip: No such file or directory
bitcoin-28.0-arm64-apple-darwin-unsigned.zip: FAILED open or read
shasum: bitcoin-28.0-arm64-apple-darwin.tar.gz: No such file or directory
bitcoin-28.0-arm64-apple-darwin.tar.gz: FAILED open or read
shasum: bitcoin-28.0-codesignatures-28.0.tar.gz: No such file or directory
bitcoin-28.0-codesignatures-28.0.tar.gz: FAILED open or read
shasum: bitcoin-28.0.tar.gz: No such file or directory
bitcoin-28.0.tar.gz: FAILED open or read
shasum: bitcoin-28.0-powerpc64-linux-gnu-debug.tar.gz: No such file or directory
bitcoin-28.0-powerpc64-linux-gnu-debug.tar.gz: FAILED open or read
shasum: bitcoin-28.0-powerpc64-linux-gnu.tar.gz: No such file or directory
bitcoin-28.0-powerpc64-linux-gnu.tar.gz: FAILED open or read
shasum: bitcoin-28.0-riscv64-linux-gnu-debug.tar.gz: No such file or directory
bitcoin-28.0-riscv64-linux-gnu-debug.tar.gz: FAILED open or read
shasum: bitcoin-28.0-riscv64-linux-gnu.tar.gz: No such file or directory
bitcoin-28.0-riscv64-linux-gnu.tar.gz: FAILED open or read
shasum: bitcoin-28.0-x86_64-apple-darwin.zip: No such file or directory
bitcoin-28.0-x86_64-apple-darwin.zip: FAILED open or read
shasum: bitcoin-28.0-x86_64-apple-darwin-unsigned.tar.gz: No such file or directory
bitcoin-28.0-x86_64-apple-darwin-unsigned.tar.gz: FAILED open or read
shasum: bitcoin-28.0-x86_64-apple-darwin-unsigned.zip: No such file or directory
bitcoin-28.0-x86_64-apple-darwin-unsigned.zip: FAILED open or read
shasum: bitcoin-28.0-x86_64-apple-darwin.tar.gz: No such file or directory
bitcoin-28.0-x86_64-apple-darwin.tar.gz: FAILED open or read
shasum: bitcoin-28.0-x86_64-linux-gnu-debug.tar.gz: No such file or directory
bitcoin-28.0-x86_64-linux-gnu-debug.tar.gz: FAILED open or read
shasum: bitcoin-28.0-x86_64-linux-gnu.tar.gz: No such file or directory
bitcoin-28.0-x86_64-linux-gnu.tar.gz: FAILED open or read
shasum: bitcoin-28.0-win64-setup.exe: No such file or directory
bitcoin-28.0-win64-setup.exe: FAILED open or read
shasum: bitcoin-28.0-win64-debug.zip: No such file or directory
bitcoin-28.0-win64-debug.zip: FAILED open or read
shasum: bitcoin-28.0-win64-setup-unsigned.exe: No such file or directory
bitcoin-28.0-win64-setup-unsigned.exe: FAILED open or read
shasum: bitcoin-28.0-win64-unsigned.tar.gz: No such file or directory
bitcoin-28.0-win64-unsigned.tar.gz: FAILED open or read
shasum: bitcoin-28.0-win64.zip: No such file or directory
bitcoin-28.0-win64.zip: FAILED open or read
shasum: WARNING: 25 listed files could not be read |
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Mac:Downloads macUser$ sha256sum bitcoin-27.0-x86_64-applie-darwin.zip
-bash: sha256sum: command not found.
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Thanks, but it's unclear to which is a hash file, a signature and whatever else. Here's the latest output: Mac:Downloads macUser$ ls
Bitcoin-Qt.app bitcoin-27.0-x86_64-apple-darwin.zip
SHA256SUMS.asc
Mac:Downloads macUser$ gpg --verify SHA256SUMS.asc
gpg: WARNING: multiple signatures detected. Only the first will be checked.
gpg: no signed data
gpg: can't hash datafile: No data
Mac:Downloads macUser$ shasum -a 256 --ignore-missing --check SHA256SUMS.asc
Unknown option: ignore-missing
Type shasum -h for help |
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Thanks, a $5 wrench attack would need the mnemonic/seed phrase and the passphrase/13/25th word.
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Hello, I'm trying to setup a Bitcoin Core full node, however the pgp signature verification is brining up the error: Mac:Downloads macUser$ gpg --verify SHA256SUMS.asc
gpg: WARNING: multiple signatures detected. Only the first will be checked.
gpg: no signed data
gpg: can't hash datafile: No data |
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Thanks, that worked.
Time to test spending some BTC on LN from a hot wallet, apparently there's no fees?
Just need to find somewhere to spend it?
Also, the offline Electrum USB cold wallet shows no balance, so in terms of a $5 wrench attack, a new watch-only wallet would need to be created using the offline MPK (master public key) and then entering the passphrase.
Is there a way an Electrum watch-only wallet can have a fake wallet to show a fake amount if under duress? I know hardware wallets can do this.
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Hello, the Electrum documentation doesn't exactly correlate with the Electrum 4.5.5 wallet. I researched Electrum support on Reddit https://www.reddit.com/r/Electrum/comments/mg6qfj/watch_only_wallet_how_to_send_funds/ and the Electrum documentation on sending https://electrum.readthedocs.io/en/latest/coldstorage.htmlSpecifically, "Create an unsigned transaction" and "Get your transaction signed". When I save the unsigned transaction, I receive a file named Watch only deterministic wallet-e6765ab4.psbt however the guides indicate no transaction ID should be populated until the offline wallet has signed the transaction. Also, the file format should be .txn, e.g. unsignedTransacton.txn. Will I lose the funds or does the Electrum documentation need updating? |
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Thanks, yes I realised TailsOS welcome screen has the option to disable networks.
So testing restoring the TailsOS Electrum hot wallet (as networks were on at some stage) and the restore shows nothing?
I would assume transactions would be shown with the online hot wallet? I also don't see transactions in the online standard watching only wallet?
Sending from the offline wallet still prompts error: There are no funds. I am BTC is on the BTC network and the offline wallet is only to use the private key to sign the standard watching only wallet's transaction, however I am still trying to sort out restoring the wallets first.
The Lightning channels enabled says I need to create a new Electrum seed? Guess I'll continue using Breez for daily LN spending.
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I figured out how to receive via the Electrum online watch-only wallet, by taking a photograph of the offline QR master public key (MPK) to create the watch-only wallet, which then has the same receive address as the offline wallet.
Still figuring out how to send from the offline wallet with 1 USB, 1 offline computer (the same online computer, but booted with TailsOS live USB and offline with a command like sudo ip link eth0 down or whatever (too much effort to physically disconnect the RJ45 Ethernet plug)), 1 online computer and 1 online iPhone (no Electrum nor Sparrow app).
Also, is there a way TailOS can automatically not connect to the Internet or have the offline Electrum app in a VM/Container/Qube to keep it offline?
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My iPhone hot wallet preference is Breez, as it's self custodial and has the lowest LN fees to setup a channel. I don't know anything about the team though, which I like to know whether or not they're decent people.
If QR code doesn't work, I'll research how to manually do it.
I think I just learned recovering mnemonic/seed phrases need atleast 1 transaction, as my test cold wallet recovery tests fails with Electrum and Sparrow.
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Seems like 1 offline computer and 1 online phone would work just as 1 offline computer and 1 online computer. 1 offline computer and 1 online phone is better suited whilst travelling. Therefore, I'm wondering with the send transaction, how as currently my offline computer TailsOS USB Electrum says no funds, but I have successfully received funds to the offline wallet. The offline wallet doesn't update the balance, however the online phone mempool shows the balance update. I'm trying to adapt this video https://www.youtube.com/watch?v=DQumISxkJsQ process, but I guess the online phone which doesn't take USB sticks, would either use a QR scanner or I would have to manually type some details into the phone's online hot wallet (it's an iPhone, so no Electrum app). |
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I'm using the correct mnemonic/seed 24 words and passphrase. It seems as the Trezor had 0 funds, this may not have created any history or addresses. I'm doing this as a test for recovery, as it's said BIP39 can be recovered on other brands and software. Basically, I'm moving on from hardware wallets to USB cold wallets with TailsOS and Electrum. As I'm travelling soon, I need quick access to a new cold wallet if robbed, so buying a USB anywhere cuts out the 2-6 week wait for a hardware wallet, not to mention the price of $5 to $150. Recoveries and receiving funds work, however just finalising sending funds, which isn't clear. I'm using this https://www.youtube.com/watch?v=DQumISxkJsQ to send funds, however I'm wondering if I can avoid using 2 computers and perhaps 1 computer, 1 usb and 1 phone (Electrum works on Android, but I have an iPhone) with the hot wallet for fund top ups and daily spending. Without a phone having a USB port, I imagine I would have to manually type in a key or perhaps a QR code? |
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So I've been restoring the old Trezor 24 word mnemonic/seed phrase multiple times with its passphrase.
A new Electrum BIP39 wallet is created with nothing, probably as there's no funds or transactions on the old Trezor cold wallet.
However now I've put some funds on the Electrum hot wallet.
However each time I run an Electrum restore, a new wallet opens, without the funds or transactions.
This leads me to wonder if having funds on an Electrum wallet will be restored properly?
What am I doing wrong?
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I can't afford to buy anymore expensive commercial cold wallets.
TailsOS with Electrum or Sparrow on a USB stick will be the cold wallet until funds are in the 7-10 figure range.
My understanding was BIP39 could transfer seeds. This is a big warning to learners to find a solution that encompasses mistakes, learning, transferring and security.
A USB stick is affordable and flexible for trial and error. After practice, perhaps a commercial and much more secure solution.
Beginners: paper cold wallet
Intermediate: USB stick with TailsOS and Electrum, Sparrow or Coinomi
Expert: commercial cold wallet.
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My confusion thought I need to install it like a bootable USB.
Figured out to use TailsOS or QubesOS and install Electrum or Sparrow.
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The Trezor password manager software years ago was buggy and caused catastrophic loss...long story. The removal of that software did the BTC community a favour. FOSS like Trezor is still better than the proprietary cold wallets and I acknowledge today's Trezor product and support has matured. I've decided to use TailsOS on a USB as a cold wallet, cautiously on a private air gapped computer for occasional use. Yes, the commerical cold wallets are more secure, however I intend on rarely using the cold wallet with majority BTC funds. Once trust and better use and understanding is developed, spending money on an expensive commerical cold wallet may become an option. I think for frequent use like when travelling and needing to top up the hot wallet, a 2nd TailsOS on a USB as a cold wallet with fewer BTC may be practical and secure. BTC only is fine, but Electrum according to research cannot move the mnemonic/seed phrase and passphrase to other BIP39 wallets (in the event of Electrum being compromised). The hassle of creating 2 new mnemonic/seed phrases on 2 stainless steel hex keys, makes it worth finding a wallet where mnemonic/seed phrases can be recovered on any BIP39 wallet. Therefore, I will use Sparrow on TailsOS. Coinomi cold wallet is considered for using non BTC, like PoW Doge or PoS Monero, but I don't see any need for private transactions at the moment. The plan is to transfer BTC from the cold wallet to a hot wallet like Breez/Blue/Phoenix (self custody, FOSS but missing reproducibility like Mycelium) with LN capability for daily transactions. - Mnemonic/seed phrase storage SSSS confused for multisig
I was confusing multisig for a way of protecting the 2 stainless steel hexkeys mnemonic/seed phrases, however realised multisig is for transactions like 2 of 3. SSSS is for "splitting" mnemonic/seed phrases, however this is not recommended and I prefer to follow cyber security best practices. That being said, multisig can be used as a form of SSSS, as long as the public keys are never lost. Storing public keys in multiple locations on the cloud should ensure the multisig public keys are never lost. Therefore, multisig can be used as a form of SSSS for mnemonic/seed phrase 2 of 3 storage, if choosing to not follow best practice of 2 stainless steel hex keys store in 2 locations (preferably covered with tamper proof stickers over a ripped piece of signed and dated paper (photo stored on cloud to view any tampering)). - Side note: passphrase inheritance
Store passphrase on a cloud password manager, with emergency access to trusted people, which you can reject in x amount of time, if receiving access requests or a timelock (haven't found any free services for this) This passphrase inheritance seems to progress digitising confidential documents, which legacy legal practices charge an arm and a leg to store paper in a fire proof safe. |
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Electrum-4.5.5-x86_64.AppImage -> Electrum wallet: Create New Wallet -> Wallet: wallet_1 -> Next -> Create new wallet: What kind of wallet do you want to create? Standard wallet -> Next -> Keystore: Do you want to create a new seed, or to restore a wallet using an existing seed? I already have a seed -> Next -> Enter Seed -> Please enter your seed phrase in order to restore your wallet. -> Options -> Seed type: BIP39 seed -> OK -> type in seed, but 5th word of 4 letters offers 2 words, 7th word of 4 letters offers 3 words, 18th word of 4 letters offers 2 words, whereas Trezor would just select the single word from 4 letters? -> Next -> Script type and Derivation path -> Detect Existing Accounts -> BIP39 Recovery: No existing accounts found. -> Cancel -> Choose the type of addresses in your wallet. Native segwit (p2wpkh) -> You can override the suggested derivation path. If you are not sure what this is, leave this field unchanged. m/84h/0h/0h -> Next -> Wallet Password: Choose a password to encrypt your wallet keys. Leave this field empty if you want to disable encryption. -> Password: blank -> Confirm Password: blank -> Finish -> Balance: 0. mBTC.
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The electrum install to USB is messy and instructions are inaccurate. Running the electrum-4.5.5-x86_64.AppImage on the host computer doesn't install to the USB.
A prompt window says Electrum wallet -> Wallet: default_wallet -> Choose... -> choose the USB path /media/hostComputerUsername/USB -> File name: there are no files, so the Open button is faded out?
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Yes, I'm confusing the mnemonic/seed phrase storage process.
However, it appears multisig creates 3 mnemonic/seed phrases anyway, so multisig seems to provide the mnemonic/seed phrase storage protection as well as payment protections.
Versus...
SSSS which is specifically for mnemonic/seed phrase storage.
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