3.Utility walletWith a good chunk of you guys mentioning cryptocurrency investments, I sure hope ya'll are using a hardware wallet as your cold wallets. Because if not, well.. 😬
Anyway, my personal pick is multicoincharts[1].
[1]
https://www.multicoincharts.com/ hardware wallet is used to store bitcoins. Most of the funds are placed in online multi-chain wallets to facilitate transactions.