>smart dust
UVA - 2020 grant $50k
https://www.usaspending.gov/keyword_search/%22smart%20dust%22
>nanotag
(various) $4.2 Million
Largest to for just under a million dollars let from Health and Human Resources for Bright, photostable surface mounted enhanced fluorescent Nanotags [But this is NOT for vaccine passports, anon is pretty sure.]
In the category of let's see what pops up in Federal RePORTER using 'smart dust' as a search term…poor skeetos ingesting "engineered protein microcrystals carrying unique DNA barcodes" which was granted by NIAID. If they're after the skeetos, they are surely after us.
https://federalreporter.nih.gov/Projects/Details/?projectId=1249719&ItemNum=9&totalItems=41&searchId=cbaaec3211ce411b9169153595deca76&searchMode=Smart&resultType=projects&page=1&pageSize=100&sortField=&sortOrder=&filters=&navigation=True