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efgs-federation-gateway
The goal of this project is to develop the official European solution for the interoperability between national backend servers of decentralised contact tracing applications to combat COVID-19.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
DP-3T (short for Decentralized Privacy-Preserving Proximity Tracing) is developed mainly by the EPFL in Switzerland and has also had great influence in the GAEN protocol. Apart from the one from its home country, the CTAs from Estonia, Malta, Portugal and Spain use this implementation too.
As these TEKs are in the GAEN protocol format, it means all decentralized apps should hypothetically be able to exchange their batches. This looks like the next reasonable step forward and hopefully it becomes a reality with the EU Federation Gateway Service initiative that some CTAs are already using.