The Upholdlogin exchange offers two wallets to its investors namely a cold storage system called UpholdCustody, and an insured hot wallet called UpholdWallet. UpholdCustody, which moves your crypto off the network for secure holding by Uphold, as it charges a 0.4% fee each year. On the other hand, UpholdWallet offers high-security storage online and insurance from theft of digital assets.