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Questions concerned with the expected or actual time between the discovery of two blocks.

10 votes
2 answers
1k views

What is the measured distribution of block times since Homestead?

The variance of block times should arguably follow a Poisson distribution. But by casual observation I've seen blocks fast as 4 s or 1 m 15 s. The average is around 14 s since Homestead. If it follows …
Roland Kofler's user avatar
7 votes
Accepted

What is the measured distribution of block times since Homestead?

First of all it seems that I am too ignorant to understand Poissons Lamda! At least I have some R skills left: Summary: Min. 1st Qu. Median Mean 3rd Qu. Max. 1.00 5.00 10.00 14.35 …
Roland Kofler's user avatar
3 votes

How can we reduce the transaction time in ethereum?

Currently the average blocktime is ~ 14 s where a significant portion is just ~ 1 s. See my empirical asssesment here: https://github.com/rolandkofler/blocktime If you run your private net you can …
Roland Kofler's user avatar
2 votes
1 answer
102 views

How are the confirmation times distributed in Homestead?

Now that we know about the empirical distribution of block times, what would the confirmation times look like?
Roland Kofler's user avatar
18 votes
2 answers
3k views

How would a miner cope with a huge block time?

Given that: According to the white and yellow paper a block's timestamp must be bigger than the parent's. According to the white paper a block's timestamp can be within 15 min of the parent block …
Roland Kofler's user avatar
3 votes
Accepted

How are the confirmation times distributed in Homestead?

WARNING: This does not take into account the difficulty adjustments that arise when blocks are off the average block time. This means that in reality the standard deviation of multiple confirmations w …
Roland Kofler's user avatar
0 votes

Is code execution time limited by the block time?

So doesn't this mean that a message can take up to 20 seconds between the time it's send and received? It's worse! There is a variance between 3 s to more than 75s. I try to find out the shape …
Roland Kofler's user avatar