Changes

* A series of embarrassing security failures (notably [https://en.wikipedia.org/wiki/Mt._Gox Mt. Gox])

* A series of embarrassing security failures (notably [https://en.wikipedia.org/wiki/Mt._Gox Mt. Gox])

* Use by [[Cybercrime|cyber criminals]]

* Use by [[Cybercrime|cyber criminals]]

* [[Technophile|Technophilia]] by its advocates

* [[Technophilia|Technophilia]] by its advocates

* Criticism of the [[anarchism|anarchist]] or [[libertarian]] politics advocated by many of its users

* Criticism of the [[anarchism|anarchist]] or [[libertarian]] politics advocated by many of its users

* Dysfunction of its centralised components, notably core development team and increasingly centralised mining pools

* Dysfunction of its centralised components, notably core development team and increasingly centralised mining pools