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Your account is suspended because your billing information can't be verified.[ Edited ]
July - last edited July
Ah, this is definitely not going to be allowed I'm afraid.
Financial services are restricted but Google are also very strict on any "get rich quick" types of schemes and websites. BitCoin itself might not be the issue, but the promised you make may well be.
You can read more here on restricted content https://support.google.com/adwordspolicy/answer/6008942?hl=en-GB#con