split of the bitcoin cash blockchain, several exchanges have already accommodated two tokens. the hard fork was originally an upgrade to the network, the Bitcoin ABC version found itself with a rival network Bitcoin SV, after it managed to have enough support from miners. The event saw both networks producing new blocks, Bitcoin ABC took an early lead. Bitcoin ABC has mined 34 blocks more than Bitcoin SV and has 59% of hash power.
Binance said the tokens were allocated based on a ratio of 1 BCH = 1 BCH ABC and 1 BCH = 1 BCH SV