ethereum is a bad platform. we can create EOS fork for this idea or create microservice for EOS mainnet node.
money transactions on game marketplace in EOS token. And game wallet balance = eos balance. Connects with scatter, nova, math or other wallets. Eos knights for example.
json rpc commands beetween server and node. for examples pm in telegram or skype.

telegram: @ichernikov1
skype: ichernikov1