Craig Wright, ViaBTC Founder Spar over 60-Second Bitcoin Cash Block Time
https://www.ccn.com/craig-wright-viabtc-founder-spar-over-60-second-bitcoin-cash-block-time/
Reducing the block time to 60 seconds still won't increase the cryptocurrency’s utility as a payment instrument.
Same as 30s or even 15s cryptocurrencies. 0conf is the only way.