Questions tagged [implementation]

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What is a cryptocoin made of?

I want to know whether a cryptocoin is made of some piece of code or it is kind of a bill that says a person has transferred conceptual coin to another person when a transaction is published. If it is ...
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1answer
38 views

Implementation of getdata

I am confused about how getdata() is actually implemented at full nodes. Suppose a full node receives a getdata() request with MSG_BLOCK flag and a hash H of some block B. Then would it simply look ...
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Examples of systems having multiple blockchains

When you first learn about blockchain it is made out to be a single public blockchain that contains all transactions from all users. But when you start considering privacy and performance, it seems ...
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1answer
129 views

Why was BIP34 (Block v2, Height in Coinbase) not implemented via the coinbase tx's locktime or nSequence?

At some point in 2011/12 miners started using custom mining algorithms ignoring the best practise to mine to a different new public key (hash) for each subsequent block. This lead to a lack of ...
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2answers
442 views

How to install Hard Fork of Bitcoin, such as Bitcoin Cash and Bitcoin Gold?

Just like the title, how do I install hard fork of Bitcoin, such as Bitcoin Cash or Bitcoin Gold? I would like to install Bitcoin Cash core in Ubuntu 16.04. It seems like there is not a single ...
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1answer
393 views

Bitcoin core multisig signing order

I have a technical question regarding the signrawtransaction function in Bitcoin core when signing a partially-signed transaction. I have tested different scenarios and signrawtransaction will always ...