Crypto expert Ali Martinez warns of a potential steep decline in XRP's price if it fails to recover key support levels.A head-and-shoulders pattern forming on XRP's chart indicates possible bearish momentum and a 37% drop.In contrast, Martinez sees a positive outlook for Bitcoin if it retests and reclaims a key price level as support.Signs of profit-taking in the Bitcoin market suggest cautiousness for short-term traders and potential opportunities for new buyers.