Hedera token (HBAR) has the potential to rally over 144% according to analyst Javon Marks.HBAR utilizes Hashgraph technology, offering faster transaction speeds and lower fees compared to traditional blockchain.Grayscale's Hedera ETF filing is under SEC review, and if approved, it could have a significant impact on HBAR's price.Hedera faces challenges with its centralization, with a Governing Council consisting of companies like Google, IBM, and Visa.