Telefónica, Deutsche Telekom and Vodafone Use Blockchain for Roaming Settlement CoinTelegraph Jul 13, 2020 CryptoCurrency Tech
Leading Middle East Telecoms Firm Zain Joins Hedera Governing Council CoinTelegraph Jun 15, 2020 CryptoCurrency
South Korean Insurance Giant to Use Blockchain Tech for Mobile Messages CoinTelegraph Jun 11, 2020 CryptoCurrency Tech
