Mining

To remove (ore) from the ground.

To dig into, for ore or metal.

To sow mines (the explosive devices) in (an area).

To damage (a vehicle or ship) with a mine (an explosive device).

The activity of removing solid valuables from the earth.

"gold mining"

Any activity that extracts or undermines.

"His extensive mining for apparently statistically significant results made any of his results questionable."

The activity of placing explosives underground, rigged to explode

Creation of new units of cryptocurrency by validating transactions and demonstrating proof-of-work