jmBitcoin CashLVery interesting proposals to improve 0-conf transactions in Bitcoin Cash. I think nChain opposes them all. http://zander.github.io/posts/201810-instanttx/
https://whatsonchain.com/tx/a096fa5efb3c4659f867a1d74eaaaee0831dc895f30f2b600eb018b3bcf9f876