Zcash (ZEC) has experienced a remarkable surge, climbing 150% in just one week to reach $151, marking a three-year high. Trading volume for ZEC has also increased tenfold, hitting $1.27 billion. This surge is attributed to renewed institutional demand and the growing popularity of cross-chain swaps. Alongside Zcash, other altcoins such as Solana (SOL), Fetch.ai (FET), Sei (SEI), and Stellar (XLM) are gaining traction in the fourth quarter. Analysts highlight these cryptocurrencies due to increased liquidity, adoption, and stable trading patterns. Solana benefits from its robust decentralized ecosystem, while Fetch.ai, Sei, and Stellar are noted for their rising visibility among traders.