According to the data on the Tokenview chain, the next time Bitcoin is expected to be halved is May 12, 2020, and there are still 72 days left. The current block height of BTC is 619330, and the next time it is halved, the block height is 630,000. BCH halving is expected to be April 8, with a countdown of 40 days. The BSV halving is expected to take place on April 10 with a countdown of 41 days. ETC expects to cut production on March 18, a countdown of 18 days.