Bitcoin controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2022
Bitcoin environmental and energy-use controversy
Bitcoin’s proof-of-work mining has faced sustained criticism over electricity consumption, emissions, local environmental effects, and the use of fossil-fuel-generated power. Supporters argue that mining can use otherwise curtailed or stranded energy and provide grid-balancing demand, but the environmental debate remains unresolved.
2014
Mt. Gox collapse
The failure of the Mt. Gox exchange, once a major Bitcoin trading venue, followed the loss or theft of a large quantity of customer bitcoin. The event exposed the distinction between the decentralized Bitcoin protocol and centralized custodial businesses built around it, and intensified scrutiny of exchange security and customer protection.