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2
votes
1answer
39 views

What was the intended benefit of truncating the Target?

I'm thinking about how the Target value is truncated to and later compared to the SHA-256hash of the Block Header. Given that The maximum target (lowest possible difficulty) is ...
3
votes
1answer
889 views

How does a miner perform hashing?

I'm trying to walk my way through the process by which a miner hashes. Let's say the getwork request returns a data field of: ...
3
votes
1answer
132 views

How is the endian conversion done?

This answer seems simple, but I'm finding mixed answers. This question describes the conversion from little-endian to big-endian hex strings (or vice-versa) as switching the order of bytes in every ...
1
vote
2answers
97 views

Proper getmemorypool data endianness?

As there are a couple endiannesses used by Bitcoin, what is the proper way to encode the data parameter for a getmemorypool JSON API call?
2
votes
1answer
138 views

Getwork and GetMemoryPool - why is previous block hash different?

When I called: print bitcoin.getmemorypool() print bitcoin.getwork() using Python JSON for a testnet BitcoinQT server, I got the following responces: {'previousblockhash': ...