NSF award 2452804 · Regents of the University of Michigan - Ann Arbor

NSF-DFG: SaTC: CORE: Small: Interoperable Encrypted Messaging

Final report due

30 April 2029

in 925 days · The award ends on 31 December 2028.

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award ending 2028-12-31 · Research.gov
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award ending 2028-12-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Dec 2028in 795 days
award ending 2028-12-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due30 Apr 2029in 925 days
award ending 2028-12-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due30 Apr 2029in 925 days
award ending 2028-12-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out30 Apr 2029in 925 days
award ending 2028-12-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 December 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 30 April 2029.

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Award card

Award number: 2452804
Period of support: 1 Jan 2026 – 31 Dec 2028
Amount: $510,000
Awardee: Regents of the University of Michigan - Ann Arbor, ANN Arbor, MI
Program: Secure &Trustworthy Cyberspace
Directorate: CSE

Abstract

Billions of people use encrypted messaging apps every day. These apps generally do not interoperate - users must all have accounts on the same app to communicate. Users view this as a major pain point; increasingly, policymakers and industry groups do as well. In Europe, the Digital Markets Act (DMA) will require interoperability; in the US, similar legislation has been considered and Apple and Google are jointly…

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