На самом деле нет. Наверное, это мой ломаный английский. У меня есть два приложения на одном и том же HD-кошелька. Я создаю новый адрес получения в первый раз.если сейчас я пойду на второй приложения и запросит новый адрес получения я вам предыдущий , не так ли?так что в принципе я повторно использовать один и тот же адрес Вы, вероятно, следует изменить это, чтобы сказать, что это временное решение. Путем перевода биткоинов с одного кошелька на другой, вы не импортировать закрытые ключи, вы просто потратили Bitcoin на себя. @САС прочитать второй абзац этого ответа, и замечания, которые упоминают также аспект безопасности. Сокращение кредиторской задолженности-адрес является еще одной причиной для использования хэш, что я не упоминала, но вместо этого связаны с другими ответами в качестве дополнительного материала. В общем причин может быть много преимуществ использования определенной хэш-функции, а не только одну-единственную причину.

Я пытаюсь реализовать свой собственный дерево Маркл, в настоящее время я работаю над хэширования сделано правильно.

Я использовал некоторые хэши от http://blockexplorer.com/rawblock/000000000000a85d42610b292d2baebe54ff0c854847fe3d2ca37ac7d6e46b99

Пример входов (первые два хэши от blockexplorer):

Ина: 3a459eab5f0cf8394a21e04d2ed3b2beeaa59795912e20b9c680e9db74dfb18c

Инб: be38f46f0eccba72416aed715851fd07b881ffb7928b7622847314588e06a6b7

Сцепленную строку (Н1+Н2): 3a459eab5f0cf8394a21e04d2ed3b2beeaa59795912e20b9c680e9db74dfb18cbe38f46f0eccba72416aed715851fd07b881ffb7928b7622847314588e06a6b7

Хэш конкатенированную строку: Анс В1: b5916d6bc34bd4157aa73c3d799a6cfcef85e0659465734362d0cebb8901e93d

Окончательный хэш конкатенированную строку: Анс У2: 215f8397a3090a0bc8f4a2e98609a10d55fc7b939fa1ecf9803df20b1ee089a2

Результат я получил: 215f8397a3090a0bc8f4a2e98609a10d55fc7b939fa1ecf9803df20b1ee089a2

Ожидаемый результат: 13a3595f2610c8e4d727130daade66c772fdec4bd2463d773fd0f85c20ced32d

Проверил свои вычисления "вручную", используя http://www.fileformat.info/tool/hash.htm?hex=b5916d6bc34bd4157aa73c3d799a6cfcef85e0659465734362d0cebb8901e93d и получил те же самые результаты.

Я делаю что-то неправильно, следуя этому примеру: https://en.bitcoin.it/wiki/Protocol_specification#Merkle_Trees. Я беру ввода хэши, сцепить их вместе, и двойной SHA256 на эту строку. Я тоже пробовал обрабатывать входной строки как A и B, то есть, первый двойной SHA256 для них, и только потом соединить их вместе, но результат также был неправ. У кого-нибудь есть пошаговый пример правильного хеширования дерева Меркле?

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