Blockchain:
https://t.me/joinchat/FPH-AhR-TJ24u0KaZxYdZA

Sports: https://t.me/joinchat/PNFcJxCAcF2Ss33b8AxwCw

Data whispers (bigdata, AI etc.) https://chat.whatsapp.com/KHKYEvXKWTa7Eyg26HW5lY

Barcelona Cyber Spirit
https://t.me/joinchat/POc_n0_FKAqMrewnhAIVoQ

Retail Tech Spirit
https://t.me/retailtecspirit

Smart cities
https://t.me/joinchat/AHRTkhQ3oCN23CH1cNnmjg

Tech4SDG
https://t.me/joinchat/FzakMxZluMECaHDtQ3ldPA

Medios-Press
https://t.me/remediosdetecnologia

AI Spirit
https://t.me/joinchat/Gls73xbqjOHOTVgi3TdUJg

Health
https://t.me/joinchat/FYqL3lLYL2D2XD4Mnc7w0A

FinTech
https://t.me/bcnfintechspirit

Wisdom Health
https://t.me/joinchat/AipkUBKsLSxr6SjH8f9vCw

Traveltech
https://t.me/traveltechspirit