Bitcoin and Lightning Network
The one thing Bitcoin hasn’t yet implemented that could end the scaling wars.. the Lightning Network. If they could just get more than 10 guys working on it.. that would be amazing.
https://www.coindesk.com/lightning-bitcoin-scaling-tech-really-know/
LTC has had for a while already ! If BTC didn't have the name and first mover advantage it could well have been overtaken already !