Statement on November 13 Hard Fork
The Bitcoin ABC development team issued a statement on Monday regarding the upcoming hard fork of Bitcoin Cash (BCC). The upgrade is intended to address the cryptocurrency’s problematic DAA, which makes Bitcoin Cash’s blocktimes slow to a crawl at times and work several times too fast at others. According to the announcement:
Activation of the new consensus rules will be done on a median time stamp basis on blocks that occur after timestamp 1510600000, which corresponds to November 13th, 2:06 PM GMT.
In addition, “this activation code has been merged,” the statement continued, adding that a new software version containing an updated DAA will be published on or before November 1.
Bitcoin ABC’s lead developer, Amaury Séchet, told news.Bitcoin.com on Monday that “nodes need to upgrade. Some wallets need to [upgrade], others do not. It depends on the technology powering the wallet.” He believes that the upgrade “is unlikely to result in a split this time, so the overall risk is reduced.” However, the developer suggested that “users should double check their transactions on an explorer such as blockdozer.com or blockchair.com if they have doubts.”
It is up to the decentralized Bitcoin Cash development community, especially the other node and wallet development teams, to upgrade their software before November 13 in order for the hard fork to proceed smoothly. Project developers stated that they “have been in communication with Bitcoin Cash miners and they are expecting this upgrade.”
Competition for the New DAA
The Monday statement describes five criteria which the new DAA algorithm seeks to accomplish. It needs to “adjust difficulty to hash rate to target a mean block interval of 600 seconds”; “avoid sudden changes in difficulty when hash rate is fairly stable”; “adjust difficulty rapidly when hash rate changes rapidly”; “avoid oscillations from feedback between hash rate and difficulty”; and “be resilient to attacks such as timestamp manipulation”.
These criteria address problems with the cryptocurrency’s original DAA, called the Emergency Difficulty Adjustment (EDA). The statement explained….
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