Bitcoin already a global currency.
No,bitcoin is not global currency.because many countries don't support bitcoin even it's illegal in our country.but yes people all over the world use bitcoin anonymously.Because government can't identify bitcoin trx.If all countries accept bitcoin then it will be a global currency.
Specially that you can use it in buying goods and service which is not exists in any other coin or only few coins.
why you are making two different post? for activity?don't do this.this is against forum rules.