Will it be possible for ordinary users to take part in the testnet?
Anyone can take part in the testnet, even in case of absence the P59 coins in the wallet.
You are already supported by 4 cryptocurrency exchanges: Cryptopia, Trade Satoshi, Vaultmex and SafeTrade.
Have you applied for a coinmarketcap to add a coin?
We have applied to Cryptobridge first and are in process of listing now. For sure there is a plan to get listed on other exchanges, but we are acting gradually according to roadmap.