From what we all know Bison Trails has been part of Libra Association, and because they're in search of funds it's fellow members agreed to help them make funds this is what their CEO says,
“When we started building Bison Trails, we wanted to bring transparency and ease to entrepreneurs bold enough to build in a decentralized ecosystem, investors wise enough to back a nascent market, and enterprises courageous enough to commit to a technological inevitability like blockchain technology and cryptocurrency.”
Read more at: https://coinspace.com/news/global/bison-trails-secures-25-million-funding-helped-fellow-members-libra-association