Great article on Cointelegraph about the partnership between NEM and FIX Network, a New Capital Company aiming to solve the SIM swap hacking.
FIX can be purchased on the NCE Exchange with 3 different pairs:
https://new.capital/exchange/trade/FIX_BTC
https://new.capital/exchange/trade/FIX_TWINS
https://new.capital/exchange/trade/FIX_XEM


Decentralized Apps May Solve SIM Swapping Woes