questions/blockchain
These are some steps to prevent/eliminate security threats ...READ MORE
51% Attack is a situation where a group ...READ MORE
Though on-chain transactions secure data, off-chain transactions ...READ MORE
An off-chain transaction is the movement of ...READ MORE
Blockchain has many methods to provide data ...READ MORE
Bling Signature is a form of digital signature in ...READ MORE
There is an alternative method. You can ...READ MORE
The commands you have used installs Ethereum ...READ MORE
When you use web3, selecting a single ...READ MORE
When a transaction happens, a proposal response ...READ MORE
Yes, but not exactly true. Ethereum uses ...READ MORE
No, the orderers do not see the ...READ MORE
There are different ways data privacy in ...READ MORE
No, it is not necessary to connect ...READ MORE
The number of peers required to endorse ...READ MORE
If you have deployed it before, then ...READ MORE
getBlock is used by web3 and to use it, ...READ MORE
This error occurs when there are permission ...READ MORE
You might have missed out installing the ...READ MORE
When running truffle commands on Windows system, ...READ MORE
There are two reasons due to which ...READ MORE
If you have created the private network ...READ MORE
You are running commands using an object ...READ MORE
You have done everything right except for ...READ MORE
The reason it says “undefined” is because ...READ MORE
Yes, you can use testrpc to do ...READ MORE
Seems like its due to async behavior ...READ MORE
There are two ways to do this. You ...READ MORE
You can use a contract function, on ...READ MORE
It seems you are using truffle v5. ...READ MORE
Remove the line norpc:true and change the ...READ MORE
To deploy any project/ smart contract, you ...READ MORE
Seems like you are missing some modules ...READ MORE
This is a common problem with truffle ...READ MORE
There’s a permission error. Run this command ...READ MORE
I don’t see why direct casting isn’t ...READ MORE
In solidity 0.5.0 (and above) there are ...READ MORE
Like this error indicates, you have to ...READ MORE
According to the error, it seems like ...READ MORE
There are two ways to solve this. ...READ MORE
Seems like you have not created the ...READ MORE
To connect a node to already existing ...READ MORE
Try the following command: geth monitor --attach ./chain-data/geth.ipc ...READ MORE
When you are running truffle on a ...READ MORE
This could happen due to 3 possible ...READ MORE
This doesn't usually happen, maybe the log ...READ MORE
Seems like truffle didn't find a server. ...READ MORE
This error is caused because the amount ...READ MORE
In the error you have posted, in ...READ MORE
By default, the accounts are locked and ...READ MORE
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