Ethereum's breach of an eight-year support trendline against Bitcoin signals growing bearish sentiment.Solana's 925% surge since 2022 intensifies competition, eroding Ether's dominance in the DeFi ecosystem.Inverse cup-and-handle pattern suggests ETH/BTC could face a 50% drop if support at 0.0317 BTC fails.ETH/BTC pair dropped below an upward trendline for the first time in eight years, indicating deeper losses ahead.