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Questions tagged [latency]

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0
votes
1answer
45 views

Will every message x reach all connected peers in time t?

I've asked similar question here: Is gossip protocol in Bitcoin perfect? But I didn't get an answer to my question really. I am ideating a consensus algorithm and I need definitive answer. Can we ...
4
votes
2answers
803 views

Is gossip protocol in Bitcoin perfect?

With bitcoin's gossip protocol, could we take for granted that if I sent transaction, for example, at 1:00 PM on 1st January 2018 UTC then every node connected to network from 1:00 PM to let's say (...
0
votes
2answers
106 views

How can low latency and high scalability be achieved with increased block size in BTC?

One of the solution to address low latency and high scalability in BTC is to increase block size. A single block takes 10 min on average for proof-of-work. Increased block will also take same time for ...
2
votes
1answer
362 views

How propagation delay depends on the block size?

According the paper 'Information propagation in the bitcoin network'. by Decker and Wattenhofer. For sizes larger than 20kB the cost can be said to be constant, whereas for small sizes there is a ...
2
votes
2answers
197 views

Is selfish mining still an option with compact blocks and FIBRE?

The selfish mining strategy relies on withholding a block to build on it in private. When the honest chain publishes a block, the attacker immediately broadcasts its own withheld block in order to try ...
3
votes
2answers
346 views

Are blocks sent only after finding nonce?

One of the concerns with increasing the block size is that it may get orphaned more often due to network latency in sending the big block. Why can't miners send the block without the nonce as soon as ...
1
vote
1answer
382 views

P2Pool Node Latency

Just wondering what I can do to reduce the latency of my node. I have periods of .4s latency and it slowly drifts upwards. This seems to be a trend as the latency has been rising steadily. It doesn't ...
2
votes
1answer
384 views

How could block propagation time be reduced?

This website measures block and transaction time propagation.. At the time of writing, the time required for 90% of surveyed clients to get a block is about twelve seconds. (I just averaged the last ...
17
votes
5answers
1k views

How do you create a planet-specific cryptocurrency that will ignore longer block chains from other planets?

I'm sure that cryptocurrencies will play a huge part of the economy across the solar system, when we have colonized many different planets, moons, and asteroids. But there are problems with using a ...
6
votes
2answers
798 views

Does a new block necessarily include all transactions that occurred before its generation? What about network latency?

I read What exactly is Mining? and What are bitcoin miners really solving?, but was left wondering: What happens if a new transaction comes in, whilst mining? To answer that, I found Do transactions ...
3
votes
1answer
4k views

Why does pool latency matter?

I often read about latency and ping. I am programmer and I understand what latency and ping is. But I do not understand why miner can't process block with certain delay. Why do 10ms or 100ms matter?
1
vote
3answers
122 views

Making change in a timely manner

If using Bitcoins in a real world brick and mortar store, a customer presents a paper with a QR code, merchant scans QR code and deducts purchase cost from Bitcoin total presented. How can merchant ...
17
votes
3answers
5k views

How long does it take to propagate a newly created block to the entire Bitcoin network and why?

Once a new block has been created, it is propagated to the entire network. I’d like to know how long this would take “on average”. The propagation delay can be from several causes, and I’d ...
3
votes
2answers
808 views

P2Pool latency, should I host in a datacenter or at home?

I read about latency on P2Pool being a bad thing. Is this latency between the miner and P2Pool, or P2Pool and the network, or both? I am trying to decide if I should host P2Pool pool on one of my ...
11
votes
2answers
1k views

Mining pool performance optimization

What are the main components one should focus on when trying to maximize a mining pool's performance? Assuming the code is pretty optimal (there aren't any inefficiencies), what should a pool owner ...