Hedera (HBAR), Litecoin (LTC), and Polkadot (DOT) are emerging as key altcoins to watch as the next bull market approaches. Hedera is benefiting from enterprise partnerships and robust technology, enhancing its market appeal. Litecoin continues to attract attention with its fast, low-cost transactions and high liquidity, making it a preferred choice for payments. Meanwhile, Polkadot's focus on enabling cross-chain applications and scalability positions it as a leader in blockchain innovation. Analysts highlight these altcoins for their potential growth driven by increasing adoption and technological advancements.