How many hours you work each day to earn some money? I can do this captchas but not every day, how this solving captchas actually works? How much time I need each day to have minimal requirements for payout?
You will earn Mrai by solving captchas. You will be getting ~27 mrai per captchas which you can later sell it for btc or other Alt coins. They are currently going for 85-90sat each. So you will be getting like 2.4k sat per captcha.
https://raiblockscommunity.net/faucet/Check this thread for trading:
https://bitcointalk.org/index.php?topic=1422828.4400