; (2) which data the hospital must include on such servers; and (3) which questions may be asked of such servers, and what form of de-identification of the servers’ data is required to ensure privacy. (d) Request for proposals Not later than 90 days after the date of the enactment of this section, the Director of NIH shall publish in the Federal Register a request for proposals for grants under paragraphs (1), (2), and (4) of subsection (a). (e) Provision of servers (1) In general The Director of NIH shall, in carrying out subsection (a)(3), provide to qualified hospitals hardware, including computer servers, sufficient to support qualified software. (2) Condition As a condition on the receipt of a computer server under paragraph (1), a qualified hospital shall agree not to use the qualified software on the server to store data from patients of the hospital until the Director of NIH determines that testing performed pursuant to subsection (a)(4) has determined that simulated data used in such software could not be extracted from the hospital’s servers. (f) Definitions In this section: (1) The term blockchain means software that uses a distributed digital ledger of cryptographically signed transactions that are grouped into blocks, each of which— (A) is cryptographically linked to the previous block after validation and undergoing a consensus decision