Segwit2x Testnet Unintentionally Forks, Prevents Blocks From Being Created

Segwit2x Testnet Unintentionally Forks, Prevents Blocks From Being Created

Yesterday, the testnet for the most recent Bitcoin scaling proposal, Segwit2x, experienced a fork in the chain, causing the creation of new blocks to halt completely for just around twenty hours. What is Segwit2x? The controversial change to the protocol calls for activation of segregated witness with signaling from 80% of the hash rate with a hardfork to raise the blocksize parameter to 2 MB scheduled for three months after activation. This compromise comes after over a year of infighting over different scaling solutions and has the backing of many of the industry’s top organizations. A....


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A number of Bitcoin companies and miners have agreed to run code that will implement a hard-forking increase to the non-witness data in blocks roughly three months after the activation of Segregated Witness (SegWit). According to some of its proponents, the proposal, known as SegWit2x, is said to be the only viable solution to the Bitcoin scaling debate. However, agreeing to initiate a hard fork without knowing how speculators will react to such a change comes with risks. If there is not full support for the hard fork from bitcoin holders, the end result could be a split of Bitcoin into....

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Hard forks are a rather contentious issue in Bitcoin. The controversy surrounding hard forks can be seen most prominently in the context of Bitcoin XT 's implementation of BIP 101. While there have been successful Bitcoin hard forks in the past, the problem with hard forks of the Bitcoin blockchain is that they're, well, hard. Any change to the Bitcoin protocol that requires a hard fork essentially requires near-complete consensus to avoid a potential blockchain split. For example, there are many individuals in the Bitcoin development community who do not believe that BIP 101's use of a 75....

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You can’t stop things like Bitcoin... It’s like trying to stop gunpowder.

John McAfee, Founder of McAfee