The Berlin Summit is attended by the full gamut of the cryptocurrency sector starting from the biggest exchanges to brokers, payments providers, ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.bitcoinmarketjournal.com/bmj-events/cryptocurrency-world-expo-berlin-summit/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGdiGf0tdY1hS3f9r3ePWGqGPYXZw
