[jkhdigital]

Because it has a rapidly declining stock to flow ratio, which will soon be even lower than gold. It will be the hardest form of money ever devised.

[tromp]

This rapidly declining inflation rate is undesirable as it necessarily concentrates wealth in early adopters.

Other coins are even harder in just creating ALL supply in one instant. That makes them both harder and worse.

A constant emission would minimize concentration of wealth yet still have inflation rate going to zero.