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Bitcoin Cash Hard Fork Completed As First Block Detected Invalid

The planned hard fork of the Bitcoin Cash network has been completed.

On Nov. 15 BitMEX Research highlighted in a tweet that the first block considered invalid by the older client version:

ForkMonitor has detected an invalid block on Bitcoin Cash & the hardfork as occurred. Old versions of Bitcoin ABC, including 0.19.0, will either remain stuck or follow a different chain — BitMEX Research (@BitMEXResearch) November 15, 2019

Fork Monitor detected that the block at height 609,136 was considered invalid by the Bitcoin ABC 0.19.0 client.

The block was accepted by Bitcoin ABC 0.20.6, confirming that the hard fork had completed as planned.

The block was mined by: pool at 13:44 UTC

  1. With a block-size of 0.2MB, containing 651 transactions.

Older versions of Bitcoin ABC will now either remain stuck or follow a different chain. The hard fork imposed relatively simple consensus changes and was not expected to split the chain.

Difficulty Adjustment Issues Not Addressed

Bitcoin Cash community worries that the contentious Difficulty Adjustment Algorithm was not addressed.

This updates the difficulty of every BCH block, based on a moving window of the last 144 blocks, or approximately 24 hours worth.

Reportedly, some miners are gaming the algorithm in order to get an advantage, with curious fluctuations in hash-rate, and volatile difficulty.

Source: | Image: The Cryptonomist



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