Bitcoin proof-of-work mining utilizes dedicated Application-Specific Integrated Circuits that cannot be repurposed for non-mining tasks

The industry that secures Bitcoin by expending energy, spanning public miners, hashrate economics, energy sourcing and the shift toward AI data-center workloads.

Rules by which distributed networks agree on a shared ledger, from proof of work mining to proof of stake validation, trading off security, energy use, and decentralization.