There is another reason crypto might be preferable for Russians willing to help Ukrainians, said Vlad, a volunteer for Ethos, a fund created by Russian expats that helps refugees rent apartments in Armenia and gives away things like medicine and hygiene products. Ethos is raising money in bitcoin, ether, tron, BNB and USDT. According to the blockchain data, so far, about $1,100 in USDT has been raised.