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The block chain is the main innovation of Bitcoin. It is the
first distributed timestamping system.
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Advertised sites are not endorsed by the Bitcoin Forum. They may be unsafe, untrustworthy, or illegal in your jurisdiction.
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namhoangs
Newbie
Offline
Activity: 400
Merit: 0
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June 23, 2019, 04:17:06 AM |
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#Proof of Authentication Campaign Participated : Facebook, Linkedin Bitcointalk Username : namhoangs Telegram Username : @namhoangs
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