Questions avec Tag 'algorithms'

Les clés privées des adresses qui sont utilisés par "générer" dans le `dumpwallet` sortie. Ils ne sont pas affichés dans la même forme que "listaddressgroupings" parce que de la façon que Bitcoin core stocke les adresse ...
32

Comment faire pour déterminer si une clé publique point y est négatif ou positif, pair ou impair?

Prendre un bitcoin à clé publique (x, y) et son additif inverse (x, -y). Comment voulez-vous déterminer qui est le point positif et qui est le point négatif? Exemple La clé privée 1 -> (x, y) x = 0x79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798l y = 0x483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8l -y = 0xb7c52588d95c3b9aa25b0403f1eef75702e84bb7597aabe663b82f6f04ef2777l La clé privée 2 -> (x, y) x = 0xc6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5l y = 0x1ae168fea63dc339a3c58419466ceaeef7f6326532 ...
25 oct. 2011 à 16:36:27
32

Pourquoi est-il important de points de contrôle pour contenir bien formé de blocs?

Dans le code source du client standard, checkpoints.cpp a ce commentaire: // // Ce qui fait un bon point de contrôle de bloc? // + Est entouré par des blocs raisonnable horodateurs // (pas de blocs avant avec un timestamp après, aucun après avec // timestamp avant) // + Ne contient pas étrange transactions // Pourquoi devrait-il question? Sans doute que le client aurait accepté de toute façon si ils ont le télécharger normalement, et si vous étiez à fixer un autre bloc, ce serait encore forcer le client à télécharger l'étrange bloc. Je ne comprends pas ...
25 nov. 2012 à 15:08:04
25

Il y a encore des mineurs ou d'exploitation minière de la piscine qui refusent de mettre en œuvre SegWit?

Il est bien connu que, d'abord en SegWit a obtenu plus de 50% de hashrate après l'activation qu'une partie de l'exploration de piscines a refusé de l'appliquer. Mais il y a encore des blocs exploités par les mineurs qui refusent de mettre en œuvre SegWit plus de 2 ans plus tard ? Par exemple, cet article ou cet article encore vrai ? ...
8 janv. 2012 à 21:26:58
33

puis-je utiliser des éléments de la blockchain pour protéger l'intégrité d'un classement sans serveur central?

Pour une communauté World of Warcraft fonction de la conception du concours, je suis venu avec quelque chose qui implique un classement. Toutefois, World of Warcraft addons sont purement individuelle, donc une centralisation plate-forme où un classement est généralement enregistré n'est pas possible. De ce fait, il serait trivial de simuler l'envoi de classement mises à jour pour la communauté. J'ai lu à propos de la blockchain récemment, et il semble que cela pourrait être un moyen de résoudre ce problème. La blockchain peut protéger l'intégrité des transact ...
21 oct. 2014 à 08:06:33
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