juhraffe
  • Member for 7 years, 5 months
  • Last seen more than 3 years ago
Receiving donation on a bitcoin address and security issues of reusing the same address
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4 votes

For a blog that only receives occasional small amounts you probably shouldn't worry too much about it. However, if you plan to scale up, here are some things to consider: One issue with using the ...

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Egoistic miners combined with large transactions destroy PoW?
0 votes

I think you have a valid point. Let's say I control 50% of the mining. How much would I accept to start a new fork from 10 blocks back? With 50% of the mining, I'd be getting about half of the ...

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How is the previous transaction hash calculated?
0 votes

You hash the header. Format is here: https://en.bitcoin.it/wiki/Block_hashing_algorithm The body contains the transactions. Here's the Bitcoin transaction format: https://en.bitcoin.it/wiki/...

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Difference (if any) between proof-of-work in mining bitcoin vs verifying transaction
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From https://en.bitcoin.it/wiki/Proof_of_work: "A proof of work is a piece of data which was difficult (costly, time-consuming) to produce so as to satisfy certain requirements. It must be trivial to ...

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