Actually, Bitcoin is having some pretty serious problems at the moment. The stability is surprising.
https://www.cryptocoinsnews.com/block-size-halving-bitcoin-n...
https://www.cryptocoinsnews.com/block-size-halving-bitcoin-n...
Some people argue the issue could be easily fixed by simply raising the block size limit, but others disagree and believe that would become too costly in bandwidth and processing capacity for miners, so AFAIK there's still no consensus on a resolution.
A couple other good explanations: http://rusty.ozlabs.org/?p=535 https://medium.com/@octskyward/the-resolution-of-the-bitcoin...
The scaling issue is settled. Bitcoin transactions will scale off-chain with payment channel solutions like lightning.
https://bitcointalk.org/index.php?topic=1347.msg15366#msg153...
https://www.reddit.com/r/btc/comments/4fj2m9/ill_predict_tha...