The problem is not with lack of miners, but with lack of security relative to the total secured value (i.e. marketcap). This paper [1] studies the issues. [1]

The problem is not with lack of miners, but with lack of security relative to the total secured value (i.e. marketcap). This paper [1] studies the issues. [1] https://www.cs.princeton.edu/~arvindn/publications/mining_CCS.pdf https://www.cs.princeton.edu/~arvindn/publications/mining_CC...