The host of Altcoin Daily and crypto trader, Aaron Arnold has listed down nine cryptocurrencies in which he will invest and hold for the next half-decade. Half of his portfolio will be filled with bitcoin as it is the gold standard for permissionless blockchains. The fifth of his portfolio will be for Ethereum. The remaining seven were Cardano, Polkadot, Kusama, Enjin, Flow, Dogecoin, and XCAD.