Method for monitoring a set of products, the method comprising - providing one or more first devices, each of the first devices - being associated with a respective subset of the products; and - comprising a first sensing unit comprising one or more sensors; - providing one or more second devices; - by means of each of the first device s: - sensing, by means of the respective one or more sensors, physical and/or environmental conditions to which the respective subset of products is assumed to be exposed; - generating respective measurement data comprising data related to the sensed physical and/or environmental conditions; - transmitting a first data set comprising the measurement data via a first communication network to one of the second devices; wherein the respective measurement data comprise respective first device ID data identifying, in particular uniquely identifying the respective first device, and wherein the respective measurement data are encrypted data and the generating the respective measurement data comprises carrying out a respective encryption step, and wherein the respective first data set in addition comprises, in an unencrypted form, respective second device ID data identifying, in particular uniquely identifying the respective first device; - each of the second devices - receiving one or more of the first data sets via the first communication network; - deriving from the each of the so-received first data sets a respective second data set; and - transmitting each of the second data sets via a second communication network to the internet (www). - providing one or more first devices, each of the first devices - being associated with a respective subset of the products; and - comprising a first sensing unit comprising one or more sensors; - being associated with a respective subset of the products; and - comprising a first sensing unit comprising one or more sensors; - providing one or more second devices; - by means of each of the first device s: - sensing, by means of the respective one or more sensors, physical and/or environmental conditions to which the respective subset of products is assumed to be exposed; - generating respective measurement data comprising data related to the sensed physical and/or environmental conditions; - transmitting a first data set comprising the measurement data via a first communication network to one of the second devices; wherein the respective measurement data comprise respective first device ID data identifying, in particular uniquely identifying the respective first device, and wherein the respective measurement data are encrypted data and the generating the respective measurement data comprises carrying out a respective encryption step, and wherein the respective first data set in addition comprises, in an unencrypted form, respective second device ID data identifying, in particular uniquely identifying the respective first device; - sensing, by means of the respective one or more sensors, physical and/or environmental conditions to which the respective subset of products is assumed to be exposed; - generating respective measurement data comprising data related to the sensed physical and/or environmental conditions; - transmitting a first data set comprising the measurement data via a first communication network to one of the second devices; - each of the second devices - receiving one or more of the first data sets via the first communication network; - deriving from the each of the so-received first data sets a respective second data set; and - transmitting each of the second data sets via a second communication network to the internet (www). - receiving one or more of the first data sets via the first communication network; - deriving from the each of the so-received first data sets a respective second data set; and - transmitting each of the second data sets via a second communication network to the internet (www).