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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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@tlaskri
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Activity: 2
Merit: 0
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July 17, 2018, 06:43:08 PM |
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genij
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Activity: 47
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July 17, 2018, 07:12:24 PM |
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thuat
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Activity: 19
Merit: 0
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July 17, 2018, 10:24:00 PM |
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#Proof of participation:
BitcoinTalk username: thuat Telegram username: @thuathaimun Twitter username: @vanthuat230290 Retweet:https://twitter.com/NyiGde/status/1014462595296833537 Mail:thuathaimun@gmail.com
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