What is a custodial service?
A custodial service is when an entity or individual holds a clients property or money on their behalf. The custodian is responsible for the safety of the financial products. If you are a custodial client, you are still the beneficial owner of the financial products but are held on your behalf by the custodian.
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I think Bitcoin should be Custodial Services needed...
There are advantages and disadvantages of this custodial services. The primary advantage is that is easier to use specially fo non techie persons. The disadvantages are you dont have an insurance that you money will get back after a hack and sometimea this services has huge transaction fee.