Buying and selling dogecoin in Mexico is not easy, you have to buy bitcoin / litecoin / eth from one of mexico's two exchanges and then transfer to a foreign exchange like binance or huobi, then buy doge. Mexican exchanges are very limited and have very limited currencies, a lot of people are missing out!
What it will do
Basically after compliance with mexican id kyc, you should be able to transfer funds via bank deposit, debit card or convenience store deposit at the cashier (popular in mexico), then it has to include a secure orderbook and some clever ideas to secure the transactions, funds, etc
How I will build it
Not yet built, I Would like to use neo n3 because I want to learn more about it and because its secure and distributed.
Challenges I forsee
Learning how to develop for n3, learning about