Mining (Crypto)
The process of validating blockchain transactions by solving computational puzzles, earning crypto rewards.
In depth
Bitcoin mining uses proof-of-work (PoW) — energy-intensive. Ethereum migrated to proof-of-stake (PoS) in 2022, dramatically reducing energy use. Bitcoin miners (Marathon, Riot) are publicly traded; their economics depend on BTC price, electricity costs, and "halving" events.