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The hard fork was planned and did not lead to the appearance of a new blockchain and split tokens.

The hard fork in the Bitcoin Cash network took place on block #504031 on 13 November, but the activation of the upgrade began five blocks after the genesis block.

The upgrade was aimed at implementation of the difficulty adjustment algorithm (DAA). It allows stabilizing the time of block mining and the speed of transactions.

Before the hard fork, Bitcoin Cash utilized the emergency difficulty adjustment algorithm (EDA). Its main weakness consisted in the fact that the network difficulty could cause change drastically, and Bitcoin Cash mining was sometimes more profitable than the mining of original bitcoin, sometimes loss-making.

Within the last weekend, Bitcoin Cash mining was four times more profitable than bitcoin's one, but in the evening on 12 November the difficulty of the Bitcoin Cash network was adjusted, and original bitcoin mining became three times more profitable. In order to prevent such situations, it was decided to replace the EDA algorithm with DAA.

After the activation of the hard fork, the difficulty of the Bitcoin Cash network declined by 2.5 times, and the profitability of mining became approximately equal to that of the original bitcoin.

On the eve of hard fork and a few hours after it, the Bitcoin Cash rate returned to the level of $1,400, but by 14 November, it had again dropped to $1,200.