If the chain with the highest hash rate is real bitcoin based on network consensus then BCH was the real bitcoin for a brief period of time in November 2017. It won't be surprising it happens again for a longer period of time. Source: https://www.reddit.com/r/btc/comments/o3nm2k/in_el_salvadores_new_bill_isnt_bitcoin_cash_a/h2eqoj7/?utm_source=reddit&utm_medium=web2x&context=3 https://bitinfocharts.com/comparison/hashrate-btc-bch.html