Questions avec Tag 'cryptography'

Est-ce à dire que je dois acheter du matériel spécifique à la mine de l'Ethereum? @ElazarLeibovich Vous avez réellement besoin de 51% pour faire une telle attaque efficace. Sinon, vous perdez plus que vous gagnez avec ce ...
32

Qu'est-ce que le numéro en exposant dans Bitcoinica prix?

Depuis Bitcoinica a été publié, j'ai été lire un peu sur le Forex. Mais je ne sais pas ce que le nombre en exposant désigne dans le prix de citations sur la première page. Comment ce nombre est calculé et que faut-il indiquer? Ou sont-ils simplement simplement pips? ...
17 janv. 2017 à 02:13:11
30

Quelles sont les chances de quelqu'un qui vient avec une nouvelle et simple/out-of-the-box solution pour le double problème de dépenses?

La preuve-de-travail solution est simple mais présente de nombreux inconvénients (perte de temps, d'énergie et d'incertitudes quant à sa sécurité dans l'avenir). Le consensus des solutions proposées par l'Ondulation/Stellaires sont trop complexes, et à la complexité vient aussi de l'incertitude/risque. (Voir Stellaire défaillance catastrophique!) Que pensez-vous sont les chances de quelqu'un à venir avec une solution plus simple, hors de la boîte, quelque chose de beaucoup plus simple que personne n'a pensé à ça? ...
15 janv. 2011 à 11:50:12
35

Ne les mineurs reçoivent une récompense lors de la résolution de la valeur de hachage pour le bloc suivant ou lors de la validation du bloc, ou les deux?

Disons que je veux faire une opération à mon ami Bob. Lorsque j'envoie 10 BTC à Bob, une transaction est signée avec ma signature et envoyée sur le réseau. Ce qui se passe ensuite? Ne les mineurs de vérifier si cette transaction est valide (vérifier si j'ai assez de fonds)? S'ils le font, ils reçoivent une récompense pour cela? Lorsque la transaction est considérée comme valide, il est envoyé à un bloc avec d'autres transactions. Ce bloc est ensuite extrait (mineurs essayer de trouver le bon hash du ...
18 nov. 2013 à 09:08:41
27

"porte-monnaie corrompu récupération d'Erreur" echec de. Aider avec pywallet

J'ai un vieux porte-monnaie à partir de 2013 avec quelques BTC-il. J'ai devine pour quoi la phrase, peut-être, mais pas sûr à 100% sur ce. Tout ce que j'ai trouver en ligne à utiliser pywallet mais je suis malheureusement un total de frotter quand il s'agit de scripts python. Alors, vraiment, je ne sais pas exactement ce que je dois faire pour obtenir le btc de ce portefeuille. Dois-je extraire les clés privées de mon corrompu portefeuille et de les importer dans un nouveau porte-monnaie? ou puis-je simplement fusionner les corrompus de portefeui ...
21 avr. 2019 à 12:20:57
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