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According to CoinMarketCap, You can exchange your LBRY on Bittrex or HotBit

and Hive can be exchange on Gate.io, huiobi and binance

so you need to use something with little transfer fees, like matic or BNB as intermediary. https://coinmarketcap.com/currencies/library-credits/ https://coinmarketcap.com/currencies/hive-blockchain/