How many minimum tokens can I buy?
There is no information about restrictions. So you can buy 1 token, most likely
When did the first sales start?
How to buy a token?
Sales began on September 1, 2018.
Purchase steps :
Login to the site
Read the Whitepaper
Complete your profile
Enter your wallet address (ERC20)
Choose payment type
Complete the process
MTA will be transferred to your account.