Manta, BB, Babylon, Hype, it feels like this year these newly discussed public chains are all stepping in to create their own applications and platforms, changing from the previous approach of attracting developers to build an ecosystem.

However, building an ecosystem is indeed quite expensive. Not long ago in Tokyo, I met with the head of the ecosystem for a certain public chain, staying in a five-star hotel for $1000 a night, and he stayed for two months. When I asked, he said the company reimbursed him for all his travel and accommodation expenses, which left me speechless..