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Today in Bitcoin history, Segwit2x's scheduled second phase of 2MB blocksize increase failed to activate due to not reaching enough concensus in the community. There are now calls to rally behind the development of competitor BitcoinCash, since it is unclear whether Segwit without the 2X makes sense.
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While quantum computers do not pose significant risk to bitcoin in terms of 51% attack as specialized ASIC miners are extremely fast compared to the estimated clock speed of near term quantum computers, it can undermine the elliptic curve signature scheme used by Bitcoin as it can be used to brute force the private key given the public key of the owner, compromising account security.
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We survived the bitcoin hard fork of 2017 !
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Why Nick Szabo doesn't like proof of stake
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BTCManager.com
BTCManager.com
btcmanager.com
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