Fragen mit dem Tag 'blockchain-fork'

Auch, guter Punkt, über mögliche Manipulationen, obwohl dies könnte(?) gemildert werden, indem eine Vertrauenswürdige Bitcoin-Projekt überprüft distributor den Verkauf der Scheiben. Wie bei den meiste ...
16

Könnte blockchain-Technologie verwendet werden, um zu implementieren ein überprüfbares Wahlsystem?

Aus Effizienz-Sicht, Stimmabgabe bei Wahlen online scheint zu viel Sinn machen, außer dass es derzeit keine Möglichkeit, eine vollständig vertrauenswürdig electronic voting system, weil der Mangel der Fähigkeit, um es zu überprüfen, wie z.B. source code, Transaktionen passenden input, etc. Blockchains scheinen, wie Sie konnten, bieten diese Funktion, aber ich habe wohl verpasst, details – was sind Sie? Denken Sie daran, dies ist im Rahmen der nationalen voting-system, wo die Nationen-stick, um Papier-basierte Abstimmung, weil Sie keine andere Mög ...
23.05.2019, 13:17:08
30

Erzeugen einer Adresse aus einem privaten Schlüssel in Java?

Ich möchte eine Funktion schreiben, die in Java dauert, einen privaten Schlüssel und erzeugt die Adresse in einen QR-code. Würde ich gerne machen , aber ich bin nicht sehr gut mit den Hash-algorithmen. Ich habe mit https://www.bitaddress.org und was erzeugt es ist nicht das gleiche wie das, was ich bin immer in meinem Programm. Kann mir jemand helfen mit diesem? Google hat mich im Stich gelassen ...
14.07.2013, 17:35:50
18

Wie, um Geld zu senden mithilfe der blockchain API?

Ich bin nicht sehr vertraut mit php, aber ich möchte nur wissen, wie das funktioniert. Ich bin versucht, die blockchain-API zu senden etwas Geld für Test-Zwecke, aber die Transaktion nicht stattfindet. Mein Aktueller code ist :- <? $guid="xxxxxxxx"; $main_password="xxxxxxxx"; $Betrag = "50000"; $to = "xxxxxxxx"; $json_url = "https://blockchain.info/merchant/$guid/payment?password=$main_password&second_password=$second_password&to=$address&amount=$amount&from=$from&shared=$shared&fee=$fee&note=$note"; $json_data = file_get_co ...
04.07.2016, 23:00:19
17

Blockchain vs. Banken: die eine hat mehr günstige Transaktionsgebühren?

Vielleicht eine der Fragen, die Forscher versuchen zu lösen, in der blockchain Protokolle wie Bitcoin oder Astraleums ist das entfernen / verringern "Transaktionsgebühren". Wenn jedoch vergleichen wir blockchain Transaktion Gebühr mit traditionellen zentralen bank-Protokolle (Visa oder MasterCard), die man günstiger Transaktionsgebühr? (Oder, welches ist teurer? blockchain (bitcoin/Astraleums)? oder Visa/MasterCard?) ...
13.11.2018, 13:55:21
25

Wie Bitcoin-clients wissen, wie viele neue bitcoins mint-beim erstellen von einem block?

Ich verstehe, dass die glücklichen Kunden, die Blockbildung Holen Sie sich einige Transaktionskosten-und dürfen die Minze ein paar neue bitcoins zu halten für sich selbst. Wie sehen Kunden wissen, wie viele neue bitcoins mint für sich selbst beim erstellen von einem block? ...
28.11.2017, 23:55:11
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