Questions avec Tag 'oracle'

Êtes-vous demander à propos de Bitcoin ou de certains autres blockchain? Oui, mais en fait, Alice pourrait créer l'ensemble de l'opération de remboursement d'elle-même et il suffit de demander à Bob pour qu'il la ...
27

Est pré-image d'attaque utiles pour l'exploitation minière?

Je sais que SHA256d est assez fort et il n'est pas probable que sera brisé bientôt mais disons que quelqu'un sait comment trouver la pré-image. L'adversaire choisit aléatoire de hachage n zéros (moins de la cible) et trouve la pré-image (valable bloc d'en-tête), disons 100 fois plus rapide (je sais que c'est possible en théorie seulement) qu'il serait nécessaire de le faire par l'exploitation minière dans la façon classique. Quels sont les avantages qu'il reçoit? Je pense qu'il peut le mien plus rapide, de sorte qu'il est plus facil ...
15 août 2017 à 11:15:33
32

Seront tous de 21 millions d'unités être complètement exploité un jour?

Il est écrit que l'offre de Bitcoin est limité à 21 millions de dollars et que cette limite sera environ ont été atteint vers l'an 2030. Mais est-il une réelle "dernier Bitcoin" (ou "le dernier Satoshi" d'ailleurs) qui ont été extraites d'un jour? Ou va l'exploitation minière continuer éternellement après la production de plus en plus petites fractions? ...
13 juin 2019 à 04:36:46
31

Comment puis-je trouver le nodeid du noeud d'émission de l'éclair réseau de la facture?

J'ai récemment eu une BOLT11 facture à partir d'un magasin. Par exemple celui-ci: LNBC13934430N1PWJUJEZPP5K7FLC2M5CLHTWMTF3HZDN7VVRCA4RNFAFA89F2D6KGYWW4JCSDAQDZ62PSKJEPQW3HJQ4RGV5SYC6T8DP6XU6TWVUSYXMMWVEJHYETWVDJJQ2Z0WFJX2U3QF9ZR5GZ5F3PNZWFD25UY54Z39YXQZURCQP2RZJQG8ZM9WXGVHZPMUQEWY9J9KDQNRVLZHPCWM6S8CVLC2CKRDNELE42Z9U5VQQY3SQQYQQQQL8QQQQPJQQ9Q6KM84F7KTW6UV574UR2LFNKZLM7VNK8NJRZV20JD8SAW6FZ3TQGSZE6YUT0X2UXGDGYJZGTXEFSQSSEVTKFF97P3TER5K23ZPHDDXHQQ95UT4N Heureusement, j'ai mon nœud a été en mesure de trouver une route vers la destination, mai ...
27 mars 2019 à 17:30:59
32

bitcoin soft-fourche comment sont les plus anciens nœuds va le vérifier nouvelle transaction?

Je sais soft fourchette qui est compatible avec les anciennes règles, mais comment sont les plus anciens nœuds va le vérifier nouvelle transaction? par exemple : bloc#100 il y a une nouvelle règle de transaction. le mineur qui a créé bloc#100, il doit être une nouvelle règle de miner? et comment les anciens nœuds de vérifier les nouvelles de la transaction? ...
11 juil. 2015 à 12:42:49
35

Ce qui se passe réellement dans une base de DAO dans l'ethereum?

J'ai eu un coup d'oeil au livre blanc , mais je n'arrive pas à comprendre exactement ce qui se passe sur le code affiché sur la page. Autant je comprends cet exemple gère les actionnaires. Mais, est-il possible de stocker des données d'organisation, quelque part? J' (honnêtement) ne le comprends pas. ...
20 sept. 2016 à 00:13:20
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