Websites like freelancer.com used to have plenty of Russian freelancers. I don't know if Russians now are barred from these sites? If maybe there is space for

Websites like freelancer.com used to have plenty of Russian freelancers. I don't know if Russians now are barred from these sites? If maybe there is space for a crypto-based alternative? Though as a hiring business I would need to be able to have my expense as a proper business expense.