Questions tagged [timestamp]

Collects questions about the rules, precision, and utility of the timestamp in block headers.

9 questions with no upvoted or accepted answers
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75 views

Source for accurate block timestamps?

Is there a source of historical data which assigns a relatively consistent and accurate timestamp to each block? This might take the form of a server having precisely logged when they first heard ...
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23 views

Is it feasible to prove the density of found hashes and could that be valuable?

Background When a miner claims a certain hash power and timestamps a block they solved, they are making a claim that a certain amount of time has passed since they received the previous block. ...
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1answer
39 views

When update mining difficulty, Is the timespan of the past 2016 blocks approximated value?

I know how to calculate difficulty, and I know it is increased or decreased by checking the timespan of the past 2016 blocks. and I found actual code for calculating timespan: https://github.com/...
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165 views

What is the purpose of Bitcoin timestamps

Why do we even need timestamps on the blocks? Has it something to do with the consensus?
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19 views

HELP ME WITH BITCOIN TIME STAMPS

OK, so I had several backed up .dat files on google which I put in opentimestamps I could see that these files had time stamp data... so I uploaded and *****below is what the results were. What does ...
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0answers
18 views

TSA: Why singing hash(hash(data),t)?

Why does a TSA first appends the timestamp and hashes the combination of timestamp and data? This product is then signed and send to the client back with the timestamp. Why not signing hash + ...
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1answer
56 views

Retrieve number of OP-RETURN transaction

Is there a possible way to extract the bitcoin transaction protocoll with Python and extract specifically OP RETURN transaction? I want to plot the number of those over the course of time to derive ...
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1answer
239 views

Bitcoin Pro API - How do you format start/end time for Historic Data?

I don't understand how to format the start and end time per https://docs.pro.coinbase.com/#get-historic-rates The sample time is "1415398768" which makes no intuitive sense to me, and when I tried ...
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1answer
81 views

Bitcoind Testnet time/timereceived constantly changing?

I've got a small question: over a week ago I did some transactions on the Bitcoin testnet as I am developing a new GUI header for full nodes. When continuing development today, I noticed that when ...