BlockFi Adjusts Interest Rates to Lure Larger Crypto Deposits Published by Sebastian Sinclair coindesk.com CoinDesk BlockFi, one of the first lending startups in the cryptocurrency markets, recently announced Thursday it would make changes to the interest paid based on the yield it generates from lending bitcoin (BTC) and ether (ETH). In an email to CoinDesk, CEO of Blockfi, Zac Prince said the crypto market is starting to “position more bullish”, which brings yields for lending bitcoin (and ether) down. BlockFi's new yields for those lending up to 10 BTC (its "Tier 1" customers) will be 5.1 percent. (Tier 2) while ETH lenders will see a yield increase to 2 percent, up from 0.5 percent for more than 500 individual ETH (Tier 2).