my entry: https://steemit.com/onepagex2018/@renegadecesar/onepagex-an-easy-and-simple-exchange

Twitter:

https://twitter.com/Renegade_Cesar/status/1054398798624186368

- Renegade_Cesar

Medium: https://medium.com/@juliocsarcoronel/onepagex-un-intercambio-f%C3%A1cil-y-simple-41984289e5e4
Reddit: https://www.reddit.com/r/steemit/comments/9qfd3d/onepagex_an_easy_and_simple_exchange/