Saturday, 18 May 2019

Reminder from the Bitcoin Whitepaper: "The system is secure as long as honest nodes collectively control more CPU power than any cooperating group of attacker nodes."

The recent double attack on Bitcoin Cash right after the fork (poisonous transactions causing empty blocks to be mined by exploiting a bug in the code, and the intended theft of all coins locked in segwit addresses by an unknown miner) has been prevented by an alleged collaboration of two BCH mining pools who orphaned the theft block of the unknown miner.

The alleged attacker has sent out a private message to various community members spreading fear by accusing BCH to be centralized and being victim of a 51% reorg attack by BTC.top and BTC.com.

As DarthBacktrack has pointed out in my other threat in his comment and what I needed to remember this again to find a meaningful answer to this allegation is that what actually happened is that BTC.top and BTC.com refused to mine on top of a block from an dishonest miner but instead mined on top of the last honest block.

Remember that it was the quick reaction of those honest mining pools to orphan the theft block, the honest collective of miners that prevented the theft of all locked segwit coins by an unknown miner.

I also want to remind you that Prohashing who was probably not involved in this collaborating effort by the two other pools, mistakingly mined on top of the theft block which caused their block to be orphaned as well and the loss of the mining reward. We should discuss the consequences of these events and how we can try to avoid this kind of collateral damage in the future.

Edited for clarity

submitted by /u/grmpfpff
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source https://www.reddit.com/r/btc/comments/bq36zm/reminder_from_the_bitcoin_whitepaper_the_system/

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