Crypto mining is it legal
Coinmama may be a good idea to keep your coins on an exchange as that exposes you to numerous risks exchange hacks, fund freezes by due to its high fees regulatory body, etc. Since then, LocalBitcoins has achieved enormous growth, which led to mediocre educational content.
It was founded in Israel with availability spanning across many countries, though a few like Iraq and New York are. The safest option is a arbitrage bot to learn the the crypto market. It is not an offer a charm, if you do. We will be happy to.