42 on the list) noted that it has done some work related to Feathercoin, another form of cryptocurrency. But don't go thinking that these are the only ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.crainscleveland.com/business-lists/software-developers-list-includes-few-early-blockchain-adopters&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHhto8AgOneP40UrhfQaedcvcDGfA
