The btc address published by the twitter @ukraine account yesterday (357a3So9CbsNfBBgFYACGvxxS6tMaDoa1P) has already received $3.5mm USD in donations.

https://www.blockchain.com/btc/address/357a3So9CbsNfBBgFYACGvxxS6tMaDoa1P

Another $5mm USD has been sent to their published ethereum address:

https://etherscan.io/address/0x165CD37b4C644C2921454429E7F9358d18A45e14