1. https://cointelegraph.com/news/argentina-settles-export-deal-with-paraguay-using-bitcoin
2. https://dailyhodl.com/2019/02/15/10000-retail-shops-in-france-will-sell-bitcoin-xrp-ethereum-litecoin-and-dash-powered-by-payments-giant-ingenico-report/
3. https://www.cryptoglobe.com/latest/2019/02/700-increase-in-bitcoin-adoption-worldwide-kaspersky-s-survey-reveals/
4. https://cointelegraph.com/news/dutch-tech-firm-develops-poc-of-autonomous-smart-electricity-grid-using-iota
5. https://troncard.io/