Password management and verification with a blockchain

1. A method, comprising:

hashing a password received from a user device to create one or more password hash values;

determining that the one or more password hash values match one or more internal password hash values of an internal password history chain stored in a blockchain, wherein a block of the block chain stores all password hash values for all user devices that utilize the blockchain; and

providing an access level to the user device assigned to the matched one or more internal password hash values.

2. The method of claim 1 , wherein the one or more password hash values are created using a hash value function that was used to create the password.

3. The method of claim 1 , further comprising:

identifying an account associated with one or more password strings; and

retrieving the internal password hash values from the password history chain of an internal blockchain based on the account.

4. The method of claim 3 , further comprising:

transmitting a warning message to the user device when the one or more password hash values match a previously stored password hash value stored in one or more of the internal blockchain and an external blockchain.

5. The method of claim 1 , further comprising:

monitoring for the password sent from the user device, wherein the monitoring comprises monitoring for a plurality of passwords associated with a plurality of accounts associated with the user device.

6. The method of claim 1 , further comprising:

monitoring a password application programming interface (API) for one or more password values.

7. The method of claim 3 , further comprising:

storing a new block comprising the one or more password hash values in the internal blockchain.

8. An apparatus, comprising:

a hardware-implemented processor configured to:

hash a password received from a user device to create one or more password hash values;

determine whether the one or more password hash values match one or more internal password hash values of an internal password history chain stored in a blockchain, wherein a block of the block chain stores all password hash values for all user devices that utilize the blockchain; and

provide an access level to the user device assigned to the matched one or more internal password hash values.

9. The apparatus of claim 8 , wherein the one or more password hash values are created using a hash value function that was used to create the password.

10. The apparatus of claim 8 , wherein the hardware-implemented processor is further configured to:

identify an account associated with one or more password strings; and

retrieve the internal password hash values from the password history chain of an internal blockchain based on the account.

11. The apparatus of claim 10 , wherein the hardware-implemented processor is further configured to:

control a transmitter to transmit a warning message to the user device when the one or more password hash values match a previously stored password hash value stored in one or more of the internal blockchain and an external blockchain.

12. The apparatus of claim 8 , wherein the hardware-implemented processor is further configured to:

monitor for the password sent from the user device, and monitor for a plurality of passwords associated with a plurality of accounts associated with the user device.

13. The apparatus of claim 8 , wherein the hardware-implemented processor is further configured to:

monitor a password application programming interface (API) for one or more password values.

14. The apparatus of claim 10 , wherein the hardware-implemented processor is further configured to:

store a new block comprising the one or more password hash values in the internal blockchain.

15. A non-transitory computer readable storage medium configured to store one or more instructions that when executed by a processor cause the processor to perform:

hashing a password received from a user device to create one or more password hash values;

determining whether the one or more password hash values match one or more internal password hash values of an internal password history chain stored in a blockchain, wherein a block of the block chain stores all password hash values for all user devices that utilize the blockchain; and

providing an access level to the user device assigned to the matched one or more internal password hash values.

16. The non-transitory computer readable storage medium of claim 15 , wherein the one or more password hash values are created using a hash value function that was used to create the password.

17. The non-transitory computer readable storage medium of claim 15 , configured to store one or more instructions that when executed by the processor cause the processor to perform:

identifying an account associated with one or more password strings; and

retrieving the internal password hash values from the password history chain of an internal blockchain based on the account.

18. The non-transitory computer readable storage medium of claim 17 , configured to store one or more instructions that when executed by the processor cause the processor to perform:

transmitting a warning message to the user device when the one or more password hash values match a previously stored password hash value stored in one or more of the internal blockchain and an external blockchain.

19. The non-transitory computer readable storage medium of claim 15 , configured to store one or more instructions that when executed by the processor cause the processor is to perform:

monitoring for the password sent from the user device, wherein the monitoring comprises monitoring for a plurality of passwords associated with a plurality of accounts associated with the user device.

20. The non-transitory computer readable storage medium of claim 17 , configured to store one or more instructions that when executed by the processor cause the processor to perform:

monitoring a password application programming interface (API) for one or more password values; and

storing a new block comprising the one or more password hash values in the internal blockchain.