isn't Premain was necessary for many airdrop, contests, event, making goods, and so on ?
premine & mining allocation is this.
Allocation
20% First trade 10 billion MANGA (planning in the CoinExchange)
20% Marketing 10 billion MANGA
20% Development 10 billion MANGA
10% Operating 5 billion MANGA
30% Mining 15 billion MANGA
BTC etc. obtained by first trade are used for marketing, development,operating expenses.
Marketing is used for events, goods making, air drops, etc.
Development expenses are used for currency development, dedicated site, cartoon viewer, server fee, etc.
Operating expenses are used for reserve expenses, labor costs, etc.