At the time of the latest data, several platforms and exchanges facilitate direct exchange of fiat currency hryvnia (UAH) for cryptocurrencies. Here are some of them:
Binance: one of the largest cryptocurrency exchanges where you can use hryvnia to purchase cryptocurrencies through P2P services. Binance supports the exchange of hryvnia for cryptocurrencies such as Bitcoin, Ethereum, and others, through the P2P trading system.
Qmall Exchange: According to reports on social media, this exchange also supports trading using hryvnia, adding new trading pairs such as DOGE/UAH, ADA/UAH, NEAR/UAH, and ATOM/UAH.
Bybit: although Bybit is better known as a futures trading exchange, it also offers the possibility of direct exchange of fiat currencies for cryptocurrency, including hryvnia, through integration with various payment providers.
MEXC: This exchange also supports the exchange of fiat currency, including hryvnia, through its P2P platforms, allowing users to buy and sell cryptocurrency directly to each other.
Each of these platforms has its own features and exchange fees, so it's worth studying the terms and user reviews in more detail before making a choice.