Blockchain managed access system

A computer-implemented method for managing a distributed file storage system, comprising:

• associating a first key share with a first copy of a file, wherein the first copy of the file is stored by a first party;
• associating a second key share with a second copy of the file, wherein the second copy of the file is stored by a second party;
• compute a hash chain for the first copy of the file using at least the second copy of the file;
• determine versioning information corresponding with the file, the versioning information including at least the hash chain for the first copy of the file, data including an address of at least the first copy of the file, and a size of the data;
• recording the versioning information corresponding with the file on a distributed ledger accessible by the first party and the second party for verifying one or more previous copies of the file;
• and
• managing access to the file using the first key share and the second key share.

A non-transitory computer-readable storage medium comprising at least one instruction for causing a computer or processor to:

• associate a first key share with a first copy of a file, wherein the first copy of the file is stored by a first party;
• associate a second key share with a second copy of the file, wherein the second copy of the file is stored by a second party;
• compute a hash chain for the first copy of the file using at least the second copy of the file;
• determine versioning information corresponding with the file, the versioning information including at least the hash chain for the first copy of the file, data including an address of at least the first copy of the file, and a size of the data;
• record the versioning information corresponding with the file on a distributed ledger accessible by the first party and the second party for verifying one or more previous copies of the file;
• and
• manage access to the file using the first key share and the second key share.