Questions tagged [authentication]
Authentication is the act of ascertaining the origination or state of something.
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Why is the challenge scalar multiplied with the private key scalar In the Schnorr identification protocol?
If Alice wants to prove to Bob she is the holder of private key x, without exposing x, they can use the Schnorr identification protocol which has the public function sG = kG + exG and the private ...
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Is it possible to configure c-lightning cookie based auth to bitcoind as opposed to rpcuser/rpcpassword?
Is it possible to configure c-lightning cookie based authentication to bitcoind as opposed to rpcuser/rpcpassword?
Does lightning.conf read the rpcuser/rpcpassword from bitcoin.conf?
This question was ...
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Reuse of rpc cookie authentication
I'm looking for clarification of an answer on original thread where the accepted answer states "This option (the authentication result from Python) can be specified multiple times"
As I ...
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Bitcoind to use static RPC authentication cookie from file?
I'm running bitcoind 0.20.1 inside a Docker container and would like to access its RPC interface from another container. I have put an authentication cookie into a Docker secret and mapped it to /run/...
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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, ...
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How to connect LND to bitcoind RPC with authentication cookie stored in a custom folder?
I configured bitcoind RPC to authenticate clients with an authentication cookie. However I cant figure out if it's possible to use this method with lnd while connecting to bitcoind RPC.
I would like ...
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What should you set as rpcpassword and rpcusername in BitCoin?
Every example/tutorial looks the same:
rpcpassword=<somehashofsomesort> and rpcusername=rpcuser
They always use something like rpcuser, and some hash for the password. Why is it like this? ...
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Flatpak bitcoin-core not generating .cookie file
I'm using the version of Bitcoin-Qt 0.18.1 that comes with Flatpak. I've looked in the Bitcoin datadir, which is in ~/.var/app/org.bitcoincore.bitcoin-qt/data/ and there isn't any .cookie file there. ...
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Does rpcpassword need to be non-obvious in bitcoind?
I'm syncing a full BTC node onto an external hard drive, which I'm connecting to by USB. I've created a bitcoin.conf file which sets a very insecure rpcpassword. This is literally the only field I put ...
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Beneficial proofs of work [duplicate]
I'm new to this community and a Bitcoin novice.
I believe to have understood the concept and purpose of proof of work but also, that the high energy consumption of proofs of work is a major problem ...
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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
alias=MyNodeAlias
color=#000000
maxpendingchannels=5
bitcoin.mainnet=1
bitcoin....
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Bitcoind could not locate RPC credentials but rpcuser and password are set
I installed bitoind and synced it. But when i'm trying to connect from my php website i getting:
Unable to connect to http://user:[email protected]:18332/.
Also when i'm trying to see ...
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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 ...
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How in the Bitcoin world one prove that a public key is authentic?
I am trying to understand how Bitcoin works, and was wondering how can you prove that a public key is authentic. Here´s what I have in mind to provide more context to my question. Let's suppose I ...
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bitcoin-cli failed with error: incorrect rpcuser or rpcpassword
When I run this command
bitcoind -testnet -printtoconsole -rpcuser=123456 -rpcpassword=123456
After bitcoind is up. I run this on the same Ubuntu 17.10
bitcoin-cli -testnet -rpcuser=123456 -...
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Disabling GreenAddress 2FA ∵ Google Authenticator doesn't generate the correct OTPs for it
According to the section "I lost my two-factor/mobile/etc (email/OTP|Authenticator/etc), what can I do?" of the GreenAddress FAQ page,
You should always have at least two two-factor options enabled....
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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/....
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Do you need to change 'rpcuser' and 'rpcpassword' for each bitcoind node you run?
When running several bitcoind nodes on different machines, can I simply keep the same bitcoin.conf file everywhere, or do I need to ensure that a different rpcuser is set up for each?
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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 ...
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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....
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Authentication and key distribution in bitcoin
After going through the bitcoin protocol documentation it is still unclear to me how the bitcoin client is authenticated. Where can I find an overview of what the client sends and receives on the wire ...
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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 ...
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Which exchanges support U2F authentication? [closed]
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 ...
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BitFinex API call returns 400 bad request - "Could not find a key matching the given X-BFX-APIKEY"
I dont know what I'm doing wrong, but everytime I try send post request "https://api.bitfinex.com/v1/balances" or some else I got this answer "Could not find a key matching the given X-BFX-APIKEY".
I ...
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API Authentication via Python
I'm having trouble following LakeBTC's API instructions for connecting to their API via Python.
API Documentation:
https://www.lakebtc.com/s/api
I have my key (email address) and secret. I'm using ...
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How do I reset my TFA token in Coinbase?
I would like to move my Coinbase Two-factor authentication token from one device to another. I cannot find a location on their website to disable TFA once it has been set up, or to move the token to ...
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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 ...
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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
...
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How can I limit the mining to specifics miners authentified by private key or something like that?
I know how to code in C++, but I don't know really how all mining system works.
I have my altcoin, and I would like to block reward blocks to miners which are not authentified (something by private ...
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How does one "authenticate" a bitcoin user?
What is the minimum standard for authenticating a bitcoin user. Would it be enough, for instance to verify that someone named "Tom Au" will answer to that name at this email address? Or are more ...
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ANXBTC.com / MTGOX v2 API "Authentication"
I've signed up with ANXBTC.com and I'm trying to learn the API (based off MTGOX v2 API):
http://docs.anxv2.apiary.io/
In order to issue commands, there needs to be authentication.
I have a "Rest-...
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Trying to figure out the two-part authentication process. Can anyone give direct instructions?
I'm using btc-e.com verification, in the Finances section.
It supplies two key codes and has a square bar code to scan.
I've set up my google account for two-part verification, and google is ALSO ...
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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?
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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 ...
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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)....
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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 ...
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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 ...
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