Cryptocurrencies are divided into different tiers: First tier: Bitcoin; Second tier: Ethereum; Third tier: BNB, SOL; Fourth tier: XRP, TRX; Fifth tier: Doge, ADA; Sixth tier: Sui, Uni, Link, Ltc, arb; Seventh tier: BCH, Shib, pepe, Dot, Apt, op; Eighth tier: FiL, PoL; Ninth tier: Ray, pump, form, cake; Other cryptocurrencies are not considered mainstream.