SV will not succeed in attacking BCH. The defense is simple, honest miners should orphan malicious blocks that contain attacks. Reorgs and emptyblocks are defined as attacks by the Bitcoin whitepaper. Anyone carrying out such an attack is a dishonest miner and should be orphaned.
ProHashing stops mining ABC: "According to @el33th4xor, the two orphaned blocks related to yesterday's Bitcoin Cash fork are a "temporary hiccup." When you are dealing with so much money, mistakes cost jobs and change lives. We decided to stop mining with @Bitcoin_ABC as a result."
Help needed diagnosing another Bitcoin Unlimited Cash orphaned block
We had yet another bitcoin cash orphan this morning, at 7:11:23am EST. I attached the log and the getinfo() results below. I remember that jtoomim has said he was willing to look at logs, so perhaps he or someone else can figure this one out. In this case, it does not appear as if bandwidth restrictions had any impact. The daemon never hit the bandwidth cap at any time, before or after the block was found by Bitcoin Unlimited Cash. The block was accepted by the daemon as valid, and then our checker later determined that it wasn't present on the main chain. Does this log contain any information that could assist in determining why the orphan rate is around 5%? I thought that it should be lower than that.
"Although Bitcoin was intended to be a decentralized digital currency, in practice, mining power is quite concentrated ... [O]ur work further motivates the study of protocols that minimize 'orphaned' blocks, proof-of-stake protocols, and incentive compatible protocols." [abstract + link to PDF]
Another bug in ABC? "The timing of the blocks is spaced very far apart, making the odds of two orphaned blocks occurring by coincidence, right after a fork, very low. Because of the low probability, we had hoped that someone would investigate whether there is still a second bug in @Bitcoin_ABC ."
According to @el33th4xor, the two orphaned blocks related to yesterday's Bitcoin Cash fork are a "temporary hiccup." When you are dealing with so much money, mistakes cost jobs and change lives. We decided to stop mining with @Bitcoin_ABC as a result.
@binance: RT @BinanceAcademy: Recently many outlets have reported an “orphaned block” in the #Bitcoin $BTC chain. They are, in fact, stale blocks and are entirely normal. Learn about what an actual orphan block is on @BinanceAcademy https://t.co/1nmcwqmfUL
[BLOG] How Bitcoin SV Block Reorgs and Orphans Affect You
[Head over to the Bitstocks blog to read the article] Bitcoin SV gives you access to the benefits of Bitcoin - without having to understand the nuts and bolts that make the blockchain tick. At the same time, opponents of the #BitcoinSV (#BSV) project periodically set out to befuddle and frighten the public by framing some of the more technical features of the Bitcoin protocol as ‘struggles’, ‘attacks’, ‘accidents’, or ‘BSV woes’. And so, today’s article sets out to clarify a much misunderstood feature of Bitcoin’s design as retained in the BSV protocol: block reorgs and orphaned blocks.
Was there a period of high orphaned block during Bitcoin history? (Fack check on /u/nullc claim)
and either are large blocks due to orphan and bandwidth risk.
This is a common misunderstanding about the system. To the extent that miners are concerned about orphaning at all they can eliminate it by centralizing further. This is precisely how they've always responded to high orphaning in the past. Moreover, if for some reason they couldn't take the high payoff strategy of centralizing further; they can simply use improved relay techniques which render block propagation times arbitrarily independent of Bitcoin size. http://np.reddit.com/Bitcoin/comments/5hggzt/letting_miners_decide_the_block_size_is_like/db02lq5
Hi everyone. I can see that most fork of bitcoin reduce the block time to have faster transaction, and that this change cause an issue : orphaned block. I know what is a orphaned block, but the thing I would like to know is : what are the negative result of orphaned block ?
Maxwell warned that without a cap, big miners can drive out their smaller competitors with huge blocks. This is actually not an attack. Instead it's the way Bitcoin was designed to scale. Orphans are market discipline for intransigent miners who can't keep up. This tweet sums it up.
Although orphaned blocks can be quite a headache for miners, they actually occur more often than most Bitcoin enthusiasts would like to admit. Blockchain.info keeps track of all the orphaned blocks that appear on the network, and there is usually 1-3 of these mishaps every single day of the week . Types of Blocks in Bitcoin Blockchain. Ten minutes is an average block find time for Bitcoin. In reality, it can vary from a few seconds to even a few hours. For example, it may depend on how fast blocks are being processed or how fast nodes exchange data with one another. Miner A and miner B solved block 101 at the same time. 60% of nodes got the new block from miner A, while 40% got it from ... Check the Bitcoin orphaned blocks which are not included into the main blockchain. Indeed, in the Bitcoin source code and in more technical discussions, orphan blocks and stale blocks are two separate things: both are not part of the longest valid chain, but in an orphan block it is because the parent is unknown, whereas in a stale block it is because that part of the chain is known to no longer be longest. However, in general discussions people almost always mean "stale ... Orphan blocks are most commonly linked to the popular Bitcoin cryptocurrency network. In the case of a valid transaction existing on an orphan block, they are added to the next valid block ...
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