13. The method of claim 10 , further comprising when a blockchain transaction is associated with the digital cryptographic data structure of the approver user, receiving, from a computer system associated with the approver user, a reject command for the document.
10. A method for securely releasing time-sensitive information using a computer system that includes a transceiver configured to communicate with a distributed blockchain computing system that includes multiple computing nodes, each computing node storing a copy, or a portion thereof, of the blockchain, the method comprising: accessing a plurality of digital cryptographic data structures that each include at least a corresponding private key, wherein a first one of the plurality of digital cryptographic data structures is associated with a submitter user that submits documents to be released, wherein a second one of the plurality of digital cryptographic data structures is associated with an approver user that approves the release of documents, wherein each corresponding private key is associated with a public identifier; receiving a document from a first computer system that is associated with the submitter user; generating a first blockchain transaction based on the received document and the digital cryptographic data structure that is associated with the submitter user; submitting the first blockchain transaction to the blockchain for incorporation into the blockchain; generating a second blockchain transaction, wherein the second blockchain transaction includes the document and is to a blockchain identifier that is associated with the digital cryptographic data structure of the approver user; submitting the second blockchain transaction to the blockchain; receiving, from a computer system associated with the approver user, an approval command for the document that is included with the second blockchain transaction; and responsive to the approval command, generating and submitting, to the blockchain, a third blockchain transaction that includes the document being made available, on the blockchain, to a plurality of intended recipients, wherein the third blockchain transaction is linked, directly or indirectly, to the first and second blockchain transactions, wherein the third blockchain transaction includes a programmatic locking script that locks access to the document until a scheduled time of the programmatic locking script has been satisfied, wherein upon satisfaction of the scheduled time, the document of the third blockchain transaction is accessible by the plurality of intended recipients.