They either need a solution to bitcoin’s problems (mining centralisation, poor transaction throughput and latency, energy inefficiency etc.) or they are going to fail.
The bitcoin community seem to be making zero progress addressing these issues. The only tech I’ve heard of that claims a solution is side-chains which are years away I think, and then are not a real solution as I understand them, but a kludge based on trading off one characteristic for another within an isolated area. So for example, less security for higher throughput etc.
Then there’s Safecoin 