Application US20180323975

CREATING MATCH COHORTS AND EXCHANGING PROTECTED DATA USING BLOCKCHAIN
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US20180323975

1. A method of exchanging sensitive information among a plurality of entity systems comprising: (3) (4)

applying a hash function to a portion of sensitive information of a first entity system to produce hash values;

storing transaction information pertaining to transactions performed on the first entity system within a blockchain database accessible to the plurality of entity systems having different information for at least some of the same served entities, wherein the transaction information includes the hash values for the portion of sensitive information, and wherein the blockchain database includes transaction information from the plurality of entity systems including hash values from others of the plurality of entity systems;

comparing the hash values of the first entity system to the hash values from the others of the plurality of entity systems to determine entity systems containing information pertaining to the same served entities; and

exchanging the sensitive information for common served entities of the first entity system with the determined entity systems containing information for those common served entities.

2. The method of claim 1, wherein the blockchain database further includes encryption parameters for encrypting data to be sent to the plurality of entity systems, and the exchanging the sensitive information comprises: (1) (2)

encrypting the sensitive information for the common served entities utilizing the encryption parameters of each of the determined entity systems within the blockchain database, wherein the encryption parameters for a corresponding entity system are associated with a private key limiting decryption to that corresponding entity system; and

transmitting the encrypted sensitive information to each of the determined entity systems for decryption via the associated private key.

3. The method of claim 2, further comprising: (1) (1)

analyzing the exchanged sensitive information to identify one or more issues triggering an action involving a served entity associated with the sensitive information.

4. The method of claim 3, wherein the blockchain database further includes information from the entity systems pertaining to actions involving the served entity, and the method further comprises: (1) (1)

6. The method of claim 1, wherein the served entities include patients, and the entity systems include healthcare systems. (0)

7. The method of claim 1, further comprising: (0) (1)

8. A first entity system for exchanging sensitive information among a plurality of entity systems, the first entity system comprising: (3) (2)

at least one processor; and

at least one memory connected to the at least one processor, wherein the at least one processor is configured to perform: applying a hash function to a portion of sensitive information of the first entity system to produce hash values;

storing transaction information pertaining to transactions performed on the first entity system within a blockchain database accessible to the plurality of entity systems having different information for at least some of the same served entities, wherein the transaction information includes the hash values for the portion of the sensitive information, and wherein the blockchain database includes transaction information from the plurality of entity systems including hash values from others of the plurality of entity systems;

exchanging the sensitive information for common served entities of the first entity system with the determined entity systems containing information for those common served entities.

9. The first entity system of claim 8, wherein the blockchain database further includes encryption parameters for encrypting data to be sent to the plurality of entity systems, and the exchanging the sensitive information comprises: (1) (2)

transmitting the encrypted sensitive information to each of the determined entity systems for decryption via the associated private key.

10. The first entity system of claim 9, wherein the at least one processor is further configured to perform: (1) (1)

analyzing the exchanged sensitive information to identify one or more issues triggering an action involving a served entity associated with the sensitive information.

11. The first entity system of claim 10, wherein the blockchain database further includes information from the entity systems pertaining to actions involving the served entity, and the at least one processor is further configured to perform: (1) (1)

13. The first entity system of claim 8, wherein the served entities include patients, and the entity systems include healthcare systems. (0)

14. The first entity system of claim 8, wherein the at least one processor is further configured to perform: (0) (1)

15. A computer program product comprising: (2) (1)

at least one computer readable storage medium having computer readable program code embodied therewith for execution on at least one processor, the computer readable program code being configured to be executed by the at least one processor to perform: applying a hash function to a portion of sensitive information for each entity of a first entity system to produce hash values;

storing transaction information pertaining to transactions performed on the first entity system within a blockchain database accessible to the plurality of entity systems having different information for at least some of the same served entities, wherein the transaction information includes the hash values for the portion of the sensitive information, and wherein the blockchain database includes transaction information from the plurality of entity systems including hash values from others of the plurality of entity systems;

exchanging the sensitive information for common served entities of the first entity system with the determined entity systems containing information for those common served entities.

16. The computer program product of claim 15, wherein the blockchain database further includes encryption parameters for encrypting data to be sent to the plurality of entity systems, and the exchanging the sensitive information comprises: (1) (2)

encrypting the sensitive information of the common served entities utilizing the encryption parameters of each of the determined entity systems within the blockchain database, wherein the encryption parameters for a corresponding entity system are associated with a private key limiting decryption to that corresponding entity system; and

transmitting the encrypted sensitive information to each of the determined entity systems for decryption via the associated private key.

17. The computer program product of claim 16, wherein the computer readable program code is further configured to be executed by the at least one processor to perform: (1) (1)

analyzing the exchanged sensitive information to identify one or more issues triggering an action involving a served entity associated with the sensitive information.

18. The computer program product of claim 17, wherein the blockchain database further includes information from the entity systems pertaining to actions involving the served entity, and the computer readable program code is further configured to be executed by the at least one processor to perform: (1) (1)

20. The computer program product of claim 15, wherein: (1) (1)

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Application US20180323975

CREATING MATCH COHORTS AND EXCHANGING PROTECTED DATA USING BLOCKCHAIN

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