US 11,683,152 B2
System and method using a locally referenced blockchain
Andrea Hoeller, Graz (AT); and Walther Pachler, Graz (AT)
Assigned to Infineon Technologies AG, Neubiberg (DE)
Filed by Infineon Technologies AG, Neubiberg (DE)
Filed on Oct. 9, 2020, as Appl. No. 17/66,601.
Claims priority of application No. 102019215485.9 (DE), filed on Oct. 9, 2019.
Prior Publication US 2021/0111866 A1, Apr. 15, 2021
Int. Cl. H04L 29/06 (2006.01); H04L 9/06 (2006.01); H04W 4/80 (2018.01); H04L 9/32 (2006.01)
CPC H04L 9/0637 (2013.01) [H04L 9/3247 (2013.01); H04W 4/80 (2018.02); H04L 2209/80 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
determining a blockchain transaction generated by a processing device set up for short-range communication; and
generating, using the blockchain transaction, a signed blockchain transaction using:
a secure computing device arranged in an area,
wherein the signed blockchain transaction indicates a presence of the processing device in the area.