Questions on: blockchain

I created a wallet in blockchain. info android app. I bought 0
The general consensus in the Bitcoin network is to wait for 6 confirmations or 1 hour on a transaction before it can be considered completely irreversible. However, when it comes to altcoins that use different block generation rate, some people go wi
There may be websites that index them, however, as blocks only get propagated once they get accepted as new best chain, such branches don't get relayed universally, and every node on the network can get a different view. Bitcoin Core can be queried f
LOGGING IN WITH YOUR WALLET ID To log into your wallet you need your Wallet ID, your password, and any two-step verification that you have enabled. Your Wallet ID is a string of random letters and numbers that acts as a username. You can find it by n
In general, there are policies and there are rules in Bitcoin. Every full node works independently to enforce rules by checking each received block, transaction and etc.
The latest versions of our wallet now use a dynamic fee structure (which you can read about here) to determine appropriate fees for your transactions, so some of the information in this post no longer applies. If you have a pending transaction that i
I assume you're asking about the blockchain as stored by Bitcoin Core? There are no commands that you can send to Bitcoin Core (or bitcoind) to get it to give you a balance for an address that it doesn't have the private key for. You could probably u
The best way to write a parser of your own for the blockchain is to find the source code of one that already exists and from that deduce the precise underlying data structure and how to parse and interpret it. e. g
Since we have quite a few questions about mining I took the liberty of creating a tool that demonstrates how to get from the getwork to the actual hashes and testing them against the target. Your question is simply the reverse direction of mining, so