Authentication is the act of ascertaining the origination or state of something.
Questions tagged [authentication]
36 questions
17
votes
2 answers
What is rpcuser?
Can I just make up a value for rpcuser/rpcpassword in bitcoin.conf? Or do I have to set one up somewhere?
Charlie
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13
votes
3 answers
Which Two-factor authentication methods are available at which exchanges?
I see that Mt. Gox now supports the Google Authenticator app (on Android, iOS - iPhone, iPad, iPod Touch, and on Blackberry) for 2-factor authentication (in addition to support for Yubikey, of course).
What are all the various 2-factor (also…
Stephen Gornick
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12
votes
2 answers
How would we know the real Satoshi?
Should Satoshi decide to reveal his or her true identity, how can one know the person is the real creator of Bitcoin, rather than a person who hacked the forum login, email address or the like? In other words, what methods of authentication did…
ThePiachu
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10
votes
1 answer
error : incorrect rpcuser or rpcpassword (authorization failed)
I started bitcoind -datadir=/mnt/btc but everytime I try to use bitcoin-cli it says :
error : incorrect rpcuser or rpcpassword (authorization failed)
I can't find bitcoin.conf (neither in the default datadir ~/.bitcoin neither in /mnt/btc).
Any…
ChiseledAbs
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6
votes
2 answers
Wladimir's new GPG key
I just went to install the latest version of bitcoind and discovered that Wladimir has signed the https://bitcoin.org/bin/bitcoin-core-0.12.1/SHA256SUMS.asc file with a new GPG key: https://bitcoin.org/laanwj-releases.asc. His previous key was…
mulllhausen
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6
votes
3 answers
Which exchanges support U2F authentication?
I got myself a nice security key (Yubico Fido) today, which utilises the U2F protocol. But to my surprise not a single Bitcoin exchange seems to support this yet, only Google itself.
So which Bitcoin exchanges (plan to) support U2F?
Maestro
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6
votes
1 answer
BitFinex API call returns 400 bad request
Trying to get authentication with BitFinex to work. Docs here: https://www.bitfinex.com/pages/api
Say the client wants to make a request to POST
https://api.bitfinex.com/v1/order/new
With a payload of { "request":"/v1/order/new", "nonce": "1234",…
steve cook
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4
votes
4 answers
Why bother checking both public key and signature in P2PKH transactions?
In a P2PKH pubkey script, first, the public key provided by the intended spender is verified to be correct and then this key is used to verify the spender's signature.
I wonder why just verifying the public key is not enough. The pubkey script…
cadaniluk
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4
votes
2 answers
How can multifactor authentication be used when there needs to be two people with access?
For a business account at a Bitcoin exchange, either of two people need to be able to send bitcoins or withdraw. This account will be configured with two-factor authentication.
How can two of the business' staff, located in different offices, each…
Stephen Gornick
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3
votes
1 answer
How to set up Lightning Network conf file. RPC user / password? and zmqpubraw?
In my lnd.conf file I have the following settings:
debuglevel=info
listen=192.168.100.134
externalip=186.4.235.84 …
Alejandro Veintimilla
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3
votes
0 answers
bitcoind inconsistent authentication error
I am using a Linux computer.
The issue I am having is that sometimes I have to use "kill -s 9 (bitcoind pid)" and restart bitcoind using "bitcoind -txindex" because bitcoind will sometimes not let me use "bitcoind stop". For…
Gemohn Herbile
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3
votes
1 answer
What is Mt. Gox's YubiKeys' "configuration protection access code"?
Does anyone know if Mt. Gox, now that they're bankrupt, has released their YubiKey's "configuration protection access code" (cf. this)? If so, we could reprogram the free YubiKeys they sent us and use them for other purposes.
Does anyone know their…
Geremia
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3
votes
1 answer
Miner username and password - does it need to be unique in the major pools?
Every Bitcoin mining pool relies on Basic Access Authentication to identify the user and credit their account for the work performed. But does this identification in form of username and password have to be unique for each separate machine that…
ThePiachu
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2
votes
1 answer
How to add a second user with SSH access to my Ubuntu PC running Bitcoin Core?
I have a friend who is interested in learning Bitcoin CLI, and I told him I would look into giving him access to my node - in a non-destructive way - perhaps testnet only ?
Totally trust this person, we work together closely on many projects, and…
jon.bray.eth
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2
votes
1 answer
bitcoind: incorrect rpcuser or rpcpassword (authorization failed)
The host system is Linux Debian Stretch (9 / testing).
The Bitcoin Core package for Linux I have just downloaded and verified and installed.
I have created the following file:
/home/myUsername/.bitcoin/bitcoin.conf
With…
Vlastimil Burián
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