@IanBoyd Sus direcciones son sus claves públicas. Ver bajo la pestaña "recibir". Ten en cuenta que tendrás que repetir esto para cada una cartera que está utilizando (Bitcoin, Litecoin, Rizado, etc) y que podrían tener los diferentes procedimientos. Además, cualquier persona que tiene acceso a estos archivos pueden robar todas sus monedas, así que usted puede ser que desee pensar dos veces acerca de almacenamiento en la nube (cloud service de los administradores del sistema pueden robar las monedas si querían). Muchas gracias por tu respuesta, Nick! De hecho, no quiero renunciar a la función que mantiene la base de datos consistente y fiable incluso con la distorsión de datos, ni los descentralizada. Lo que he hecho para el proyecto es para hacer como una híbrida, centralizada y descentralizada, en el mismo tiempo. El servidor sólo mantener la credencial de datos para que los usuarios se registren, código mnemónico que luego ayudarán a copia de seguridad de sus transacciones. El resto será todavía el altcoin básicas de responsabilidades. Una clave firmada o un protocolo de autenticación con un token son buenas ideas, pero estoy pensando en cómo llevarlas a la práctica factible.

Con sólo la clave privada, no.

Sin embargo, si el atacante conoce a un niño de la clave privada y el xpub de la cadena que se derivan de ella, sí.

De BIP32:

Una debilidad que puede no ser inmediatamente obvio, es que el conocimiento de un padre de familia extendida de clave pública, además de cualquier no-endurecido clave privada descendente de la que es equivalente a saber el padre de familia extendida clave privada (y por tanto, cada clave privada y pública descendente a partir de él). Esto significa que se extendió claves públicas debe ser tratada con más cuidado que las claves públicas. También es la razón de la existencia de endurecimiento de las teclas, y por qué son utilizados para la cuenta de nivel en el árbol. De esta manera, una fuga de específicos de la cuenta (o por debajo) de la clave privada nunca comprometer la maestra o a otras cuentas.

Esto significa que usted debe nunca dar claves privadas, o tratar xpubs son muy sensibles secreto de los datos.

Cuando se utiliza endurecido derivación, este problema no existe, pero carecen de la capacidad públicamente derivar direcciones.

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