ZeroDark.cloud could be used to to support a cryptocurrency wallet. It comes with several features a wallet needs, and the zero-knowledge encryption ...
source https://www.google.com/url?rct=j&sa=t&url=https://zerodarkcloud.readthedocs.io/en/latest/examples/wallet/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEh8deBGNDvYjdxkOZGD_MFCLt9OA
