Bitcoin je často kritizovaný pre vysokú spotrebu energie, ktorá je nevyhnutná na chod mechanizmu Proof of work.
Ťažiari prostredníctvom svojich zariadení túto energiu nevyhnutne potrebujú, no bankový sektor ju spotrebuje mnohonásobne viac.
Medzi najväčších držiteľov vlajkovej kryptomeny patrí prekvapivo vláda Spojených štátov, ktorá vlastní celkovo viac ako 4 miliardy dolárov v BTC.
Dlhodobí držitelia majú obavy z toho, či môže vláda USA Bitcoin kedykoľvek predať a spôsobiť tak prepad.
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